Hello friends!!

Many of us strive to spend a long-awaited vacation on the sea coast, and they do it precisely for the purpose of healing, increasing immunity with the help of heat, sun and, of course, sea water.

But why is sea water so useful?

But there are a lot of salt lakes all over the planet, but people go to the sea.

Let's get acquainted with the abilities of healing water, reveal its secrets, study the features of health procedures, and also learn how to make it yourself at home.

From this article you will learn:

Sea water - healing properties for human health?

What is sea water - its physical properties and composition

Today, sea water treatment is called thalassotherapy, but even before the advent of such fashionable terms, its abilities were known and widely used by people.

Even the famous Hippocrates prescribed sea procedures for his patients. But over time, they forgot about it.

The amazing power of sea water became popular again in the 18th century in Germany.

Then, regardless of the complaint, the patient received a ticket to the sea and, most surprisingly, there was almost always a significant improvement in the state of health.

Sometimes they say about harmful products that they have the entire periodic table. They also talk about sea water, but only in this case the meaning is exclusively positive. The minerals contained in it are in ionized form. This explains the alkalizing effect that it has on the body, because there are more than enough oxidizing agents that destroy the cells of the body.

The positive effect of sea water on the body is explained by the content in it:

1. sodium chloride, which helps to normalize the acid-base balance in the body, rejuvenates and strengthens the skin;
2. calcium, which prevents depression, fights negative moods, and also improves blood clotting, restores the condition of connective tissues, destroys infections and harmful bacteria;
3. magnesium, which copes well with edema, has a relaxing effect on muscles, helps normalize metabolism, and prevents the development of allergies;
4. potassium, which cleanses the cells and ensures that they receive enough nutrients;
5. chlorine, which is involved in important processes, such as, for example, the formation of blood plasma and gastric juice.

It should be noted iodine, which rejuvenates cells and regulates the content of cholesterol in the blood; chlorine, which perfectly soothes; sulfur, which destroys fungi and generally has a positive effect on health; zinc, which prevents the development of cancerous tumors, as well as manganese, copper, iron, and other substances, thanks to which sea water has a truly magical effect on the body of any person.

It is important! Sea water is very similar in composition to human plasma. Perhaps this explains its positive effect on the body.

Why is sea water useful and for what diseases is it useful to use?

Sea water treatment is very effective, useful and pleasant.

You just need to immerse yourself in it and relax.

Literally in a couple of minutes, tension will begin to go away, pain will decrease, the skin and muscles will receive tone and additional energy, the heart rate will return to normal, drops in arterial and intracranial pressure will no longer bother.

Sea bathing is indispensable in the treatment of wounds and bruises, fungal diseases, malnutrition, gout, colitis, hemorrhoids, constipation, osteochondrosis, arthritis, colds, dental and gynecological problems.

Note! Sea water is one of the best means against toxic poisoning, including those caused by excessive alcohol consumption.

For the fair sex, the ability of sea water in terms of combating cellulite is very valuable.

It is indispensable for the skin, perfectly cleanses it on cellular level, increases elasticity, removes toxins and toxins from the body. There is also a significant strengthening of nails, improved hair growth, getting rid of fine wrinkles, etc.

Even professional cosmetologists admit that only half an hour of bathing replaces a full-fledged spa session.

The role of a massage therapist is performed by waves that gently knead the muscles, stimulate the regeneration of tissues and vascular walls, and cause blood flow to the internal organs.

Each bath is equal to a professional hydromassage session. Literally immediately, the muscles begin to tighten, the body consumes energy much more actively, which means that extra calories go faster and without any difficulty at all.

Yes, yes, and this despite the fact that you can just lie in the water and do nothing!

Alas, not everything is as good as it might seem at first glance. All of the above abilities of sea water simply cannot be preserved in it, if on an area of ​​​​several square meters a couple of dozen people bathe at once.

It should also be borne in mind that sea water is maritime.

There is a lot of water on the globe, but not all of it is useful.

Which sea is useful?

Let's say right away that bathing in any sea water is useful, unless it is contaminated with toxins and various harmful substances. But at the same time, each sea has its own characteristics.

• Black Sea

This sea has always been and remains the best in terms of the treatment of diseases of the bronchi and lungs.

Few people know, but even Anton Chekhov, who was not only a great Russian writer, but also a doctor by education, regularly traveled to Yalta, and in his memoirs he described the amazing effect of sea water and air filled with the aromas of salts and pines.

The healing abilities of the Black Sea water are explained by a combination of a moderate amount of salt, an abundance of oxygen, hydrogen sulfide and a huge number of negatively charged ions, with which, by the way, it is pine that saturates it.

• Sea of ​​Azov

Few will believe, but this sea is considered one of the most useful in the world. As many as 92 elements of the periodic table are present in its water.

The main active ingredients are iodine, bromine and hydrogen sulfide. The main positive effect is on metabolism.

And the fact that there are steppes around the sea explains why it becomes so easy for those suffering from pulmonary diseases to breathe here.

The healing properties of mud should also be noted. The muddy bottom, which some vacationers can not stand, brings great benefits to the body.

It is in the silt that unique substances and microelements are contained that make the sea an amazing natural clinic.

From it you can make masks for the nose, which will help get rid of sinusitis, for the throat, which have a positive effect on the condition of the adenoids and lymph nodes.

Also, the application of silt to the skin replaces any cosmetic procedure, perfectly cleanses and tightens it.

Note! The healing abilities of the Sea of ​​\u200b\u200bAzov increase significantly before the onset of a storm and immediately after it.

• Baltic Sea

This sea has a rather cool water temperature.

There are many pine forests around, which supply phytoncide and negative ions into the air.

Also, marine procedures are a great way to harden.

From cool water, saturated with useful trace elements, the body becomes more resistant to colds and infections.

• The Dead Sea

It is simply impossible to drown in this sea because of the huge amount of salt.

But also this water contains a lot of therapeutic mud and useful trace elements (first of all, bromine, iron, potassium, manganese, chlorides, sulfates and fluorides should be noted).

Few people go to the Dead Sea to relax, mostly those who need to improve their health come here.

Its water stimulates blood circulation, activates metabolic processes, soothes and relaxes.

She also helps those suffering from skin diseases, such as eczema, psoriasis, dermatitis, etc. It also perfectly treats joints, effectively manifesting itself in the fight against arthritis, arthrosis, rheumatism, etc.

• Mediterranean Sea

The climate of the Mediterranean is indicated for those suffering from lung diseases. Mediterranean water in its action is somewhat similar to the water of the Black Sea.

If you suffer from asthma, bronchitis, pneumonia, as well as vegetative-vascular dystonia, you won’t find a better doctor than the Mediterranean Sea.

• Red sea

The special composition of this water is provided by algae and unique coral reefs.

Bathing in it stimulates metabolism, activates blood flow, disperses lymph stagnation. Just a couple of days and the skin becomes younger and more elastic, swelling disappears,.

The fair sex really likes the action of this sea water. Lose weight so enjoyable and in a simple way no woman will refuse.

And besides the quick loss of extra pounds, there is also a general improvement in health and appearance.

It also has a positive effect on the bronchi and lungs.

But those suffering from diseases of the heart and blood vessels are not recommended to visit these resorts. Due to the high air temperature and a large amount of salt, there may be a deterioration in health.

Note! For the purposes of prevention, vacation at sea should be at least 10-14 days, and if there is a need for treatment, at least 1-1.5 months. Moreover, it is not the bathing itself that is important, but its combination with the healing air.

How to use the power of sea water?

It would seem that it could be easier to plunge into the healing water and swim for yourself as much as you want. But in reality this is far from the case.

You can benefit from swimming only by observing the following rules:

1. after eating, at least 1.5-2 hours should pass;
2. you should not plunge hot and sweaty;
3. having arrived at the resort, bathe no more than once a day, after which you can increase the amount up to 2-4 times;
4. between bathing should take at least half an hour;
5. when trembling and blue skin appear, the procedure should be interrupted immediately;
6. do not rush to wash yourself in the shower from sea water, give it time to soak;
7. For added effect, use sea water douches or foot baths.

Is it possible to prepare sea water at home?

Sea water is used to treat and prevent a variety of health problems, as well as a reliable cosmetic product.

It can be bought at a pharmacy (aerosol or spray with sea water), it can be purchased in large quantities from suppliers. But the first option is only suitable for treatment, and the second is not always available.

It is unrealistic to bring enough from the resort with you, and there is no point in this. Over time, water will simply lose its properties.

So what to do? There is an exit.

Sea water at home is prepared quickly and easily.

Just keep in mind that the method of preparation differs depending on where this water will be used: for swimming (for example, in a pool), for an aquarium, or for medical procedures.

• D for wellness procedures

To wash the nose, for, to quickly remove edema during colds, you need to prepare water as close as possible to the composition of human blood.

To do this, you need to buy sea salt. Only not with additives and dyes, but natural.

It is desirable to take real water. Perfect from a well or spring. If this is not possible, draw from the tap and let it settle, or pass it through a filter.

Advice! For manufacturing, it is undesirable to buy store water. She goes through too many stages of purification and almost completely loses her abilities.

Water must be brought to a boil, then cooled slightly and diluted with salt in it at the rate of 2 g per 200 ml. After thoroughly kneading, you will get a saline solution that can be used for children and adults.

• For beauty treatments

If the water is intended for external use, you can buy any sea salt. Just read the information on the package, for which one is intended.

Dissolve it according to the instructions.

Such water can be used for the preparation of healing baths, for foot baths, for hair (you can rinse, make wraps, etc.). And if you add a couple of drops of iodine to it, then it will be a great gift for nails.

If it is not possible to buy sea salt, this does not mean that it will not work to prepare a healing liquid. Water must be defended, brought to a boil, cooled.

Then dissolve in a glass of tea. spoon of soda and salt (it is better to use a large one), add 2-3 drops of iodine.

• For aquariums

Sometimes it is necessary to make water that resembles sea water in composition for aquariums, if the type of fish requires just such conditions.

To do this, you need to buy special salt. It's called sea salt for the aquarium.

Instructions for use are on the package, but most often it dissolves in water in proportions of 37 grams per liter. After heating to the required temperature, fish can be launched into the water.

Note! To measure salinity, there is a special device - a hydrometer.

Harm and contraindications of sea water

Sea water is useful, but, unfortunately, not everyone can use its abilities.

First of all, we are talking about some forms of thyroid diseases, diseases of the kidneys and liver, with exacerbation of any chronic diseases.

Now you know the benefits of sea water salts and how to use them correctly for your health and beauty.

Try to take your family to the sea during your vacation, and if it doesn’t work out, at least cook it at home.

Alena was with you, bye everyone!

photo@dimitrisvetsikas1969

At school, they ask quite a lot of interesting questions. Some of them at first glance seem quite simple and it is easy to answer them, although in fact everything is far from being so simple. Tell me, do you know why the water in the sea is salty? We strongly doubt this, since even scientists do not know the exact answer!

Versions and hypotheses

Let's start, perhaps, with this - when did the water bodies on Earth become salty? It probably happened a very long time ago. But when exactly? Some historians claim that this happened millions of years ago, even before the dinosaurs died out. Others are sure that some time ago the seas consisted exclusively of fresh water ... Now you can’t tell who is right and who is not.

• But back to our main question. If you believe the school course, then the reservoirs became salty thanks to the rivers. But how is it, you ask, because the water in the rivers is fresh! We will agree with you, but we will add that it also contains dissolved salts, however, in microscopic quantities. However, they are there, although we do not taste them. Based on this, it turns out that the rivers not only desalinate the seas, but also salt them. After the river water enters the sea, its nth part evaporates under the influence of the natural environment, but the salts do not go anywhere and remain in the sea. Scientists even found out that it is thanks to the rivers that the World Ocean receives almost three million tons of the most various substances and elements. Huge number! And imagine that such a cycle in nature has been going on for far more than one million years? Then it is clear why the water in some reservoirs is so salty ...

It would seem that the answer has been found. But wait! Other experts who support other theories say that almost all the salts that enter the sea precipitate and over time huge stone layers begin to form from them and rocks. In addition, river and sea water contain very different substances and elements. So, in the first one there is negligibly little table salt, but there are a lot of carbonates, lime and soda, and the second is known for a large amount of table salt and sodium. In general, not everything is so obvious.

• The second theory on this issue is also very interesting. Those experts who support it argue that over the past several billion years that our planet has existed, the rivers have always been fresh, and the seas have been salty. Theoretically, in this case, river water could become salty, but the laws of nature intervene here - the seas and oceans cannot flow into rivers, this happens exactly the opposite even in our time.

• According to the third version, animals played a significant role. So, one of the scientists claims that once river water practically did not differ from sea water. It was used for drinking by many animals. If you have not forgotten, it contains a large amount of calcium, which is so necessary for the development of the skeleton of living beings. So, the animals gradually fished out all the elements they needed from the rivers, among which were salts. This happened over hundreds of millions of years, as a result of which the rivers practically got rid of sodium chloride. Of course, this theory has the right to life, although it sounds very far-fetched. Why? It's simple - the reserves of sea salt are simply huge. So, if it is evenly distributed over land, then it will cover our entire planet with a layer more than a hundred meters thick! Can you imagine that fish and animals could eat so much mineral, albeit for a huge period of time? We doubt it.

• This theory is supported by many experts. They say volcanoes are to blame. When the earth's crust was just beginning to form, there was tremendous volcanic activity on Earth. The gases from the volcanoes contained vapors of fluorine, bromine and chlorine, so acid rains periodically occurred. It was they who formed the seas, which, of course, were also acidic. However, this water entered chemical reaction with hard rocks, extracting from them such alkaline elements as sodium, potassium, magnesium and calcium. This is how salts were formed, which neutralized the acidity of the water, gradually making it salty. The composition of water finally stabilized about 500 million years ago.

Outcome

And there is no result as such, because neither we nor scientists know the answer to the question posed. But we still hope that someday a specialist will solve this riddle of nature.

For almost every person, summer holidays are associated with the sea. Everyone loves to swim without leaving the water for hours. Recent studies have shown that sea water is very similar in composition to blood plasma, which is why everyone likes to stay in it for a long time.

Sea water covers 3/4 of the globe. Sea water is the water of the seas and oceans. It contains a huge amount of trace elements, salinity is from 34 to 36 ppm - this means that each liter of sea water contains 35 grams of salts.

Salt water in the seas has become, according to scientific research, because of the rivers that leached salts and other minerals from the soil and delivered them to the seas and oceans. In the "big water" salts gradually concentrated, which explains state of the art seas.

By the way, most lakes that do not have access to rivers contain salt water.

In everyday life, a person constantly deals with fresh water- there are practically no foreign impurities in it.

Another thing is the water of the seas and oceans - it is rather a very strong brine than water. In a liter of sea water, on average, there are 35 grams of various salts:

• 27.2 g salt
• 3.8 g magnesium chloride
• 1.7 g magnesium sulfate
• 1.3 g potassium sulfate
• 0.8 g calcium sulfate

Table salt makes water salty, sulfate and magnesium chloride give it a bitter aftertaste. Collectively, the salts are about 99.5% of all substances, which are dissolved in the waters of the oceans.

Other elements account for only half a percent. Extracted from sea water 3/4 of the total salt in the world.

Academician A. Vinogradov proved that in sea water you can find all the currently known chemical elements. Of course, it is not the elements themselves that are dissolved in water, but their chemical compounds.

What is the density of sea water? ^

The density of water in the seas and oceans is measured in kg/m³. This is a variable value - with a decrease in temperature, an increase in pressure and an increase in salinity, its density increases.

The density of the surface water of the oceans can vary within 0.996 kg/m³ to 1.0283 kg/m³. The most high density water in Atlantic Ocean, and the lowest in the Baltic Sea.

On the surface of the water, the density can be lower than at the same point in the sea, only at great depths.

The density of the Dead Sea allows you to lie and even sit on the water - an increase in density with depth creates a pushing effect.

When you are at sea good way impress others - swim using one of the most beautiful and difficult swimming styles. How to swim with this style correctly - read and watch the training video in our article.

As for the standards for swimming and the table of standards, you can, this is relevant!

Why can't you drink sea water? ^

Almost 70% of the planet's territory is occupied by water and only 3% from it - fresh. The molecular composition of salt water is very different from fresh water, and there are practically no salts in fresh water.

Sea water cannot be drunk not only because it tastes unpleasant. Eating it can lead to various diseases and even death. All the liquid absorbed by a person is excreted by the kidneys - this is a kind of filter in the organ chain. Half of the liquid consumed is excreted in sweat and urine.

Sea water, due to the high content of various salts, will make the kidneys work several times harder. Salt adversely affects this organ and leads to the formation of stones, especially since the concentration of salt in sea water is so high that the kidneys cannot cope with such volumes.

There are 35 grams of salt in a liter of sea water, our body receives from 15 to 30 grams of salt per day with food and at the same time drinks about 3 liters of water. Excess salt is excreted with 1.5 liters of urine, but if you drink only a liter of salt water, a person will receive a daily allowance of salt.

The body simply does not have enough water received to remove excess salts by the kidneys and it will begin to produce water from its own reserves. As a result - dehydration in a few days.

The traveler Alain Bombard proved experimentally that sea ​​water can be drunk without harm to health during 5-7 days. But if it is desalinated, then you can take it constantly.

Sea water cannot be drunk, but nevertheless, there are types of salt water that are recommended for consumption. Read the article to find out which mineral water is the most useful!

Do you want to know what is the boiling point of water in airless space, in a vacuum? Then, this is really very interesting!

How useful is sea water? ^

In salty sea water is 26 trace elements that have a beneficial effect on human health, its beauty and youth. The list of trace elements includes bromine, potassium, magnesium, sodium, iodine, calcium, etc.

After swimming in the sea, experts advise not to immediately wash off salt water from the body - you need to wait until all the beneficial substances are absorbed and begin to act. Sea water is also good for nails, especially for people who have thin and brittle nail plates.

For a more effective salt water treatment, it is recommended do not use polish.

Sea waves and swimming are among the best remedies for fighting cellulite and overweight. Trace elements activate metabolism, water helps to cleanse pores, removes toxins.

Water has a beneficial effect on all body systems: it normalizes thermoregulation, improves blood circulation and the production of red blood cells, normalizes the heart rhythm, increases vitality, hardens the body.

Dentists advise rinsing your mouth with liquid - sea ​​water is the best toothpaste, which supplies minerals to the teeth and whitens the smile. At sea they often treat consequences of injuries and rheumatic ailments.

A good way to improve your well-being and physical state, both at sea and in the pool - this is aqua aerobics. Read as much as possible detailed information in the article, bring your appearance to perfection!

One of the most popular and sought after swimming styles is breaststroke, it is very healthy. Read the most interesting about this style of swimming, take care of your health!

What benefits can sea water bring to our hair? ^

Sea water contributes disinfection of the scalp and strengthens the hair follicle. Water envelops every hair and does not allow environment have a detrimental effect.

Also, salt is able to absorb fat and cleanse the skin, so bathing is also useful for people with oily hair. Regular bathing in sea water eliminates the need for daily use of shampoo.

Almost all microelements in the water have an ionic form - this allows them to be easily and quickly absorbed by the hair.

Bathing in salt water will make your hair strong and strong. Today, even traditional medicine recognizes the usefulness of sea water for hair.

Is it possible to use sea water when washing the nose? ^

In our time, rinsing the nose with saline solutions has become one of the best home remedies to combat a runny nose.

With the same success, you can use sea water. The benefits of regularly rinsing your nose with salt water have been repeatedly tested through clinical studies.

As a result, after analyzing international studies, scientists have concluded that salt water helps with:

• rhinitis
• chronic sinusitis
• with inflammation of the nasal mucosa
• in respiratory diseases that are associated with polluted air

Rinsing the nose with salt water clears the mucus from the nose and prevents it from thickening. Also, sea water reduces the activity and content in the nasal cavity of substances that cause inflammation, improves the performance of micro-cilia. Sea water cleanses the nasal mucosa from allergens and various bacteria.

Is there an allergy to sea water? ^

Allergy to sea water is very rare. It can make itself felt by the appearance of a rash or hives on the abdomen, arms, knees, neck.

Gradually, if no action is taken, the rash zones expand. This type of allergy is not accompanied by a runny nose or cough, there is no swelling. Not a single case of anaphylactic shock from an allergy to sea water has been medically recorded.

The cause of an allergy to sea water can be a weakened immune system, diseases of the kidneys, liver, adrenal glands. Often there is an allergy not to the water itself, but to impurities in it or microorganisms.

An allergic reaction can be caused by high salt content - this is different from the Black or Dead Sea. To overcome the crisis enough to use antihistamines.

Sea water is definitely good for health. Have you heard of melt water? This article describes whether it can be used for weight loss and much, much more!

In sea water, and just at sea, it will be useful to do aqua aerobics. This article describes in detail exercises for weight loss in water aerobics, read about it, very useful and important information!

Live and dead water are very beneficial for health. Read about what it is, what kind of activator is needed for their manufacture in this article:
take care of your health!

How can you make sea water at home? ^

It’s great for those who have the sea at their side – such healthy salt water is always nearby. Others have to be content with what they have at home. It is good that sea water can be made at home. For different areas application will require different recipes.

For gargling - a glass of warm water and a spoonful of sea salt. For greater effect, you can add a couple of drops of iodine.

For a bath with "sea water" of the Black Sea, you will need 500 g of salt, 1 kg of the Mediterranean, and 2 kg of the Dead. The water should be at a pleasant temperature for the body.

You can add a tablespoon of baking soda. If the water is being used for healing, after leaving the bath, let the water dry on the body, rather than towel dry.

For foot baths, add two tablespoons of sea salt to a bowl of warm water.
Sea water is a storehouse of useful substances for humans.

You can not neglect the rest of the sea, because bathing allows you to improve the body and even internal organs.

A small informative video on the topic “Why you can’t drink salt (sea) water:

The scientific explanation for the appearance of salt water in the sea was laid by the work of Edmund Halley in 1715. He suggested that salt and other minerals were washed out of the soil and brought to the sea by rivers. Upon reaching the ocean, the salts remained and gradually concentrated. Halley noticed that most lakes that do not have a water connection with the oceans have salt water.

Halley's theory is partly correct. In addition to it, it should be mentioned that sodium compounds were washed out of the ocean floor for early stages their formation. The presence of another salt element, chlorine, is explained by its release (in the form of hydrogen chloride) from the Earth's interior during volcanic eruptions. Sodium and chlorine atoms gradually became the main components of the salt composition of sea water.

First theory

The first theory is based on the fact that fresh water is as salty as sea water, but the salt concentration in it is seventy times lower. Salt-free water can only be obtained under laboratory conditions by distillation, while natural liquids have never been and will never be purified from chemical constituents and microorganisms.

All impurities that dissolve and then are washed out by water from rivers and streams inevitably end up in the waters of the oceans. Then the water evaporates from its surface and turns into rain, while the salt becomes part of its chemical composition. This cycle has been continuously repeated for two billion years, so it is not surprising that during this time the oceans have become so rich in salts.

Proponents of this theory cite salt lakes that do not have a runoff as evidence. If the water did not initially contain a sufficient amount of sodium chloride, they would be fresh.

Sea water has one unique property: it includes almost all existing chemical elements, including magnesium, calcium, sulfur, nickel, bromine, uranium, gold and silver. Their total number is close to sixty. However, the highest rate is sodium chloride, also known as table salt, which is responsible for the taste of sea water.

And it was the chemical composition of water that became the stumbling block of this hypothesis. According to research, sea water contains high percent salts of hydrochloric acid, and river - salt carbonic acid. The question of the reason for such differences is still open.

Second theory

The second point of view is based on the assumption of the volcanic nature of ocean salts. Scientists believe that the process of education earth's crust accompanied by increased volcanic activity, as a result of which gases saturated with fluorine, boron and chlorine vapors were converted into acid rain. From this we can conclude that the first seas on Earth contained a huge percentage of acid.

Under such conditions, living organisms could not originate, but later the acidity of ocean water decreased significantly, and it happened like this: acidic water washed out alkalis from basalt or granite, which then transformed into salts that neutralize ocean water.

Over time, volcanic activity significantly weakened, and the atmosphere began to gradually clear of gases. The composition of sea water also ceased to change and five hundred million years ago came to a stable state.

However, even today the salinity of the water is controlled by a large number of underwater volcanoes. When they begin to erupt, the minerals that make up the lava mix with the water, raising the overall salt level. But, despite the fact that every day a new portion of various salts enters the World Ocean, its own salinity remains unchanged.

Returning to the issue of carbonates disappearing from fresh water when it enters the seas, it is worth adding that these chemical substances actively use marine organisms to form shells and skeletons.

Why is the water in the seas always salty and this composition does not change?

Sea water is diluted by rains and flowing rivers, but this does not make it less salty. The fact is that many of the elements that make up sea salt absorb living organisms. Coral polyps, crustaceans and mollusks absorb calcium from salt, as they need it to build shells and skeletons. Diatomaceous algae absorb silicon dioxide. Microorganisms and other bacteria absorb dissolved organic matter. After the organisms die or are ingested by other animals, the minerals and salts in their bodies return to the seabed again as remains or decay residue.

Sea water can be salty and change with the seasons as well as the climate. Most high level salinity is noted in the Red Sea and in the Persian Gulf, as it is hot there and intense evaporation occurs. In marine waters, which receive a lot of precipitation and a large volume of fresh water from large rivers, salinity is much lower. Least saline seas and oceans near polar ice, as they melt and dilute the sea with fresh water. But while the sea is covered with a crust of ice, the level of salt in the water rises. But in general, the indicators of salt in the composition of sea water remain constant.

The most salty seas

The first place in salinity is occupied by the unique Red Sea. There are several reasons why this sea is so salty. Due to its location above the sea surface, precipitation is low and much more water evaporates. Rivers do not flow into this sea, it is replenished due to precipitation and the waters of the Gulf of Aden, which also contain a lot of salt. The water in the Red Sea is constantly churning. Evaporation occurs in the upper layer of water, salts sink to the seabed. Therefore, the salt content is significantly increased. Amazing hot springs were discovered in this reservoirs, the temperature in them is maintained from 30 to 60 degrees. The composition of the water in these sources is unchanged.

Due to the lack of flowing rivers, mud and clay do not get into the Red Sea, so the water here is clean and transparent. The water temperature is 20-25 degrees all year round. Thanks to this, unique and rare species of marine animals live in the reservoir. Some consider the Dead Sea to be the most salty. Indeed, its water contains a large amount of salt, because of this, fish cannot live in it. But this body of water does not have access to the ocean, so it cannot be called a sea. It would be more correct to consider it a lake.

The ancient Greeks knew about the healing properties of sea water and what today we call thalassotherapy - they were generally knowledgeable in the sciences and were very interested in medicine. The famous Hippocrates prescribed many sea procedures to his patients, but then many centuries passed before people remembered the healing power of sea water - German doctors began to treat patients with it only in the 18th century.

Then doctors began to often prescribe sea bathing - in the 19th century, as you know, they were used in the treatment of any disease, sending patients to the sea, no matter what they got sick - and many actually recovered.

By the way, most of the townspeople learned to swim at the same time: before they began to use marine treatment, people did not understand why you need to be able to swim if you are not a sailor, and as a result, they drowned when falling into the water - during a shipwreck or in other similar situations. When scientists say that we are “out of the water”, Darwin’s theory is usually recalled, and some are skeptical, but it turns out that sea water is close in composition to human blood plasma – perhaps that is why many of us are so drawn to the sea.

Unfitness of sea water for drinking

Sea water is undrinkable due to high content salts and minerals, for the removal of which from the body requires more water than the amount drunk. However, after desalination, such water can be drunk.

In the 1950s, the French doctor and traveler Alain Bombard experimentally proved that sea water can be drunk without harm to health in small (about 700 ml / day) quantities for 5-7 days. Desalinated sea water with a salinity 3-4 times lower than ocean water (no more than 8-11 ppm) in some bays, lagoons, estuaries where major rivers, such seas as the Azov, Baltic, Caspian, is much less harmful than the oceanic, and can be used little by little for drinking and survival in emergency situations. A similar thing is achieved if ocean water is diluted with fresh water at least in a ratio of 2:3.

Composition of sea water

AT chemical composition sea ​​water contains important elements like potassium, calcium, oxygen, hydrogen, carbon, magnesium, iodine, chlorine, fluorine, bromine, sulfur, boron, strontium, sodium, silicon. Minerals that are dissolved in sea water are present in it in the form of ions, which is why sea water is inherently a weak ionized solution with high electrical conductivity and a slightly alkaline reaction. Sea water is characterized by such properties of weak solutions as reduced heat capacity, increased boiling point and reduced freezing point. The density of sea water is higher than that of fresh water.

The effect of sea water on the body

Let's take a closer look at how some sea minerals affect the human body.:

• As much sodium chloride in sea water as a healthy person needs, therefore, the acid-base balance is maintained normally when we swim in the sea, and the skin is rejuvenated and strengthened.
• Calcium saves us from depression, improves the condition of connective tissues, protects against infection, helps heal wounds and cuts, normalizes blood clotting; magnesium eliminates swelling, relaxes muscles, improves metabolism, relieves nervousness and irritability, prevents the development of allergies.
• Bromine also has a calming effect., and sulfur eliminates pathogens of fungal diseases and has a beneficial effect on the skin as a whole.
• Chlorine is involved in the formation of blood plasma and gastric juice; potassium cleanses cells and regulates their nutrition; iodine restores youth to skin cells, lowers high blood cholesterol, normalizes hormone levels and helps our brain a lot: it is not for nothing that experts believe that a child should receive enough iodine for the development of mental abilities.
• Zinc prevents the development of tumors, supports the gonads and forms immune defense organism; strengthens the immune system and manganese, and he also takes an active part in the formation of bone tissue.
• Copper, like iron, prevents anemia; iron also transports oxygen to all corners of our body; selenium supports cell health, preventing the occurrence of oncology; silicon strengthens the structure of all tissues and allows the vessels to remain elastic for a long time.

Precisely because of the fact that sea ​​water so beneficial effect on the body, experts recommend not to wash it off the skin for several hours after bathing - of course, if the skin is not too sensitive and it does not cause irritation.

The beneficial properties of sea water are explained by the composition. Its components are minerals and salts in a very high concentration. Among the components of sea water, the following should be noted: potassium, iron, chromium, gold, magnesium, calcium, barium and silver. Water is rich in negatively charged ions, which, when ingested, begin to neutralize the harmful effects of positively charged ions. No less water for nails, skin and hair.

After swimming in the sea, many people tend to quickly wash off the salt from the skin, but this is not right. If you want water to bring more benefits to your body, do not wash off the salt for at least three hours.

Useful properties of sea water

The water of the oceans and seas increases vitality and normalizes thermoregulation, strengthens the protective functions of the body and has a hardening effect. Sea water improves blood circulation, normalizes heart rate and increases the number of red blood cells, due to this, sea baths are prescribed to their patients.

Salt water is rich, which improves memory well and activates the brain, and also improves the activity of the thyroid gland. It is recommended to visit the sea more often, suffering from frequent colds and diseases of the ENT organs. And sea water also gives people a large amount of useful substances that have a beneficial effect on the hypothalamus, the endocrine system, and normalize metabolic processes.

It is very useful for people with diseases of the ENT organs to gargle and rinse their nose with warm sea water heated to 37 degrees. Please note that the water must be absolutely clean, without the presence of sand and sediment. Dentists advise rinsing your mouth with this healthy liquid, because sea water contains many more useful substances than the best. toothpaste. The oxygen contained in the water will help make your smile whiter.

Sea water is good for psoriasis and eczema. Rheumatic ailments and the consequences of injuries are successfully treated in combination with bathing in the sea.

According to thalassotherapy, the skin receives a lot of useful substances from sea water. Saturated with salts and minerals, the skin becomes elastic, elastic, puffiness decreases. Water is especially useful for problem skin, as it washes away excess fat and microbes from its surface, exfoliates dead particles.

Salt water perfectly sharpens not only stones, but also figures. A large concentration of nutrients helps to remove toxins from the body. Waves also produce a kind of massage. Bathing in sea water will replace you with nourishing hair masks and nail baths. After such a rest, your nails and hair will be significantly strengthened.