What are fats for? What is body fat for? Why fats are useful: everything about this substance

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H a person who is constantly on a diet, limiting himself in everything, thinks much worse - and this scientific fact. Nutritionists in the course of long-term experiments clearly established: mental capacity starving people are reduced by about 20% True, the diet itself is not always responsible for this, much more - intrusive thoughts about the figure, hunger and consumed calories. It is fats (about 60-80 g per day) that can improve mood and reconcile with some troubles. And the reasons here are not psychological at all.

Fats are digested in the body much longer than proteins and carbohydrates, giving a longer feeling of pleasant satiety. In fact prolonged abstinence from the use of fats is not at all harmless to the body. Strange as it may seem at first glance, a lack of fat in the diet slows down the metabolism and contributes to the accumulation of unnecessary kilograms.
Consuming fats, including vegetable fats, is extremely important for the absorption of fat-soluble vitamins, including vitamin D, which is responsible for bone strength, vitamin E, which is vital for heart function, and carotene. If you delve into science, fats are used by our body not only as sources of energy, but also as a plastic material. They are one of the most important components of cell membranes and, in fact, the cells themselves, from which our entire body is built. And fats also provide us with an active field and unsaturated fatty acids, which are indispensable because without them human body cannot function. In the body itself, they are not synthesized.

As you know, everything should be in moderation - no more and no less. If more - clothes stop fastening, less - arteries become slagged. And do not forget that fat enters the body not only in the form of oils. A high fat content is typical for most types of sausages, cheeses, all kinds of cookies, biscuits and chocolate.

Of course, it is better to give preference to fats. plant origin such as vegetable oil. In addition to useful substances, animal fats contain a lot of cholesterol, which negatively affects the state of blood vessels.

Butter
Trying to cover all daily requirement in vitamin A exclusively due to butter(and this is about 4 tablespoons) would be unreasonable. It is quite high in calories, and besides, it is one of the easiest fats to digest, because it consists of the smallest fat globules (its digestibility is 98.5%). Alas, this cannot but affect the figure. Therefore, we will stick to the golden mean - no more than 20 g of butter per day, and the rest of the amount of vitamin A can be obtained by eating vegetables and fruits, they are rich in carrots, green cabbage, spinach, lettuce, apricots and plums. The ideal supplier of useful poly unsaturated fat- vegetable oil. The facts show that by dressing your salad with vegetable oil five days a day, you reduce the risk of heart problems by exactly half! So the best thing is to buy two or three types of vegetable oil and use them alternately. This diversifies the menu and improves the condition of the body.

Various types of vegetable oils

Sunflower oil
Sunflower oil contains a large number of(60-70%) polyunsaturated linoleic acid, which is very valuable for our body. It is she who is the best ally in the fight against atherosclerosis, the most common cause occurrence cardiovascular diseases and disorders of cerebral circulation.

Soybean oil
This oil is obtained from soybeans. It is rich in polyunsaturated fatty acids, including omega-3, which reduces the indicators of "bad" cholesterol. In addition, soybean oil, like all other soy products, contains phytoestrogens (plant hormones), which have an extremely beneficial effect on intestinal flora gastrointestinal tract. Regular consumption of it reduces the risk of breast cancer and menopausal problems. For example, Japanese women who regularly consume soybean oil and other soy products are much less susceptible to similar diseases compared to similar age groups women in European countries.

Pumpkin seed oil
You can’t confuse it with anything in appearance - it is dark green. In addition to nitamine E, it contains unsaturated fatty acids, mineral compounds and trace elements, including selenium. Helps with heartburn, gastritis, stomach ulcers, colitis. And also at various types allergies, diathesis, dermatitis.

Linseed oil
It has the highest content of polyunsaturated linoleic acid among vegetable oils. The use of linseed oil is indicated for people with stomach and intestinal problems. But it has a drawback - it is stored for a short time and only in a cool place, and it cannot be used at all for cooking with heating - it acquires a repulsive smell and a bitter taste.

Wheat germ oil
It contains more vitamin E than in other varieties of vegetable oils. It is he who is called the vitamin of fertility and youth. Oil increases resistance to stress, promotes rapid healing wounds, lowers cholesterol levels, promotes cell renewal. It contributes normal functioning heart muscle, prevents the formation of blood clots.

Olive oil
Olive oil is an excellent base for flavored salad oils. In clean, dry containers, place herbs (pvtrushka, sage, lavender, thyme, even hot or sweet hertz pods) and fill with oil. Fans of garlic taste can put 2-3 cloves of garlic in the bottles. For 2 weeks, put the containers in a dark, cool place, and then strain the oil. It will add spice to salads, and arteries - flexibility.

Oil from grape seeds
Contains a large amount of bioflavonoids that fight free radiols. Regular use of this oil in the preparation of salads has a positive effect on the condition of the skin, making it smooth and toned. Grapeseed oil can also be used for wellness cocktails. Here is one such remelt: a glass of milk, a banana, 2 teaspoons of sugar (can be vanilla) and 1 teaspoon of grape seed oil.

Sesame oil
Not only a supplier minerals such as manganese, nickel and iron, but also has strong antioxidant properties. It is especially recommended for people prone to blood clots. Favorably affects hematopoiesis, stimulating the production of red blood cells.

What is (and is) fat for? Is fat always bad? Should I strive for a minimum percentage of body fat?

Fat is much more than just passive storage for excess energy. Fat cells are surprisingly well adapted to this role, but in addition, fat is also an active tissue that affects metabolism.

Fat is found in cells called adipocytes. In the human body, there can be from XXX to YYY billion of fat cells, the diameter of which is from 70 to 120 microns (microns is one millionth of a meter).

Fat in the human body is made up of 80-95% triglycerides (a glycerol molecule linked to three free fatty acid chains). The rest of the cell is water, as well as various cellular "equipment" needed to produce enzymes, proteins, and other products that fat cells need to function.

Fat is a place to store energy

The main role is energy storage. And until 1994, it was believed that this is the only function of fat cells - a passive pantry for excess energy coming from food. This turned out to be fundamentally wrong, but before we go any further, let's look at this function of fat cells.

In terms of energy storage, fat cells just perfect. One pound of fat (450 g) contains 3,500 calories of stored energy. Assuming you could use 100% fat as fuel (but in real world you can't for reasons that don't matter now), then for a 70 kg person, this amount of energy would be enough to walk 35 miles. That's what only half a kilo of fat is capable of.

A completely slender man weighing 72 kg and with 15% body fat mass has 11 kg of fat, i.e. about 84,000 calories of stored energy. This person has a metabolic rate of 2400 calories/day. Even with complete starvation, he will use up his fat reserves in 35 days (assuming again that the fuel is 100% adipose tissue). And the fat stores of obese people will help them live without food for several months.

By comparison, the other energy storage site, muscle and liver glycogen (carbohydrates), is only about 500 grams, and each gram of it provides your body with 4 calories of energy, so that's only 2,000 calories. For some, this will not even be enough to cover the body's energy requirements for one day. In general, as you can see, fat is an ideal energy store.

Fat and evolution

And from a survival point of view, fat is an ideal energy store. It accumulates easily, its reserves can be replenished for a very, very long time, and if the cell swells to the limit, the body will create new ones (more on this below). Fat, unlike muscles, requires almost no energy to exist. Therefore, those of our ancestors who were able to accumulate a lot of fat survived and passed on their genes. Today it is just another evolutionary relic from which modern man suffers so much.

Thus, from an evolutionary standpoint, the ability to store a huge amount of energy in a very small space is a great evolutionary advantage that helped our ancestors survive during periods when food was not available. That is, most of us are programmed to be "overweight" (by modern standards of beauty, we are not talking about clinical obesity here).

Fat in men and women

To be honest, I have not met any good explanation for the tendency of men to accumulate fat around the abdomen. Perhaps this fat was more efficient in quickly mobilizing fuel during the hunt. Maybe they need more belly fat to protect their organs during fights for females.

The deposition of fat in women predominantly around the hips, on the contrary, is easier to explain. Fat on the thighs, as it turns out, is designed to provide energy for breastfeeding after pregnancy. This is exactly the stubborn fat that often does not go away, even if the girl has reached a low percentage of body fat. And during lactation, as a rule, this stubborn fat becomes easier to mobilize.


In addition, studies have clearly shown that men have a preference for a certain waist/hip ratio, which suggests fertility and health in women (narrow waist and lush hips are many times more likely to be chosen than narrow hips and excessive belly fat). In fact, some of the causes that cause fat to be deposited around the abdomen and organs (visceral fat) are associated with infertility - such as polycystic ovary syndrome.

Fat cell growth

When existing fat cells reach their size limit and can no longer grow, their stretching stimulates the release of various signaling substances that tell the body to make new fat cells from preadipocytes, i.e. "sleeping" fat cells that are waiting for signals to turn into a full-fledged cell. And if those cells get too big too, your body will keep making new ones. Unfortunately, getting rid of newly created fat cells is almost impossible.

By the way, new class diabetic drugs(TZD) works exactly like this - by stimulating the production of new fat cells, which makes it possible to "remove" glucose and fat from the bloodstream to a safer place. Fat is one of the places, along with muscle tissue and the liver, where the body stores glucose, which is extremely important for people with diabetes. Muscle able to store limited quantity glucose as opposed to fat.

Fat and health

But the opinion that fat is one harm is simplified and wrong. Fat plays an important role in human health, apart from its purely energy value, although this is one of its main roles. While excess fat carries health risks, too little fat can also cause problems.

One of the functions of fat is the mechanical protection of internal organs. The physical nature of fat allows it to dissipate forces more efficiently than muscle, protecting organs from impact or prolapse (for example, kidney prolapse is sometimes associated with insufficient body fat).

Fat cells also act as insulation, keeping the body warm.

Fat cells play essential role in immune and inflammatory reactions. The preadipocytes described above act like macrophages - cells that play a big role in the correct response. immune system. Of course, this is not an excuse for being overweight, but people who have achieved minimum interest fat people report that they often get sick more often, although this is certainly only part of the problem.


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Until 1994, the fat cell was simply perceived as a passive place to store energy. But it turned out that fat cells do much more, and are able to influence the overall metabolism, releasing many active compounds. So adipose tissue became, in fact, endocrine gland. A partial list of compounds produced by fat cells:

Leptin is a hormone that is involved in the regulation of appetite, hormonal level management of fat stores and muscle mass.

Angiotensin II is a hormone involved in the regulation blood pressure and controls blood flow to the fat cell itself.

Inflammatory cytokines such as IL-6 are involved in immune function.

hormone metabolism. Fat cells are also one of the main sites of hormone metabolism. Testosterone is converted to estrogen (by the aromatase enzyme) in fat cells in both men and women. Metabolism of other hormones such as DHEA and androstenedione also occurs in fat cells. Cortisol is also metabolized in fat cells by the enzyme 11-beta steroid dehydrogenase (11-beta-HSD).

And that's just a glimpse of some of the things fat cells do in the body. The discovery that fat cells are more than a passive place to store energy has revolutionized the study of obesity. Thus, instead of research establishing why fiber has importance for weight loss, there are currently hundreds/thousands of studies devoted to all that huge number of hormones and compounds that are secreted by fat cells and their effect on human metabolism.

Based on an article by Lyle Mcdonald,bodyrecomposition.com

Immediately debunk main myth in nutrition - fat can and should be eaten. But its consumption must be controlled. The thesis that only by refusing fatty foods, a person can reduce body volume and fit into the desired clothing size without harm to health, was invented by marketers many years ago. Yes, giving up foods rich in fatty acids, a person will lose weight, it's true. But what he sees in the mirror will not please him. Important learn to identify healthy fats and what is popularly called "fatty slag", as well as carefully monitor the amount of fat consumed, while not forgetting about proteins and carbohydrates. Everything is good in moderation - main postulate which stands guard over health.

Why fat is an essential component of the diet of any person:

Fat provides the body with energy (1 gram of fat equals 9 calories) and nutrients such as vitamins A, D, E and K. Creates a feeling of satiety.

Stimulates brain activity(the brain is literally the "fattest" organ in the body), is the prevention of dementia.

From cardiovascular diseases.

Prevents dryness and flaking of the skin.

Promotes hair shine.

Improves the taste and texture of food, helps seasonings and spices to open up.

"The fact that most people still haven't rid themselves of years of thinking about the dangers of fat, and especially saturated fat, is not the most big problem, which we encounter when adding more fat in our daily diet. Many struggle to determine what fats to consume because dietary recommendations and information on food packaging are both general and misleading. According to the guidelines, reducing saturated fat intake can reduce the risk of heart disease if these fats are replaced with a "good" fat known as polyunsaturated fat. The only problem is that both beneficial omega-3s and inflammation-boosting omega-6s are included in this type of fat, and most people get 20 times more omega-6s than they really need," the candidate told RG. medical sciences Elena Livantsova, dietician of the Clinic medical nutrition Federal State Budgetary Institution "Federal Research Center for Nutrition and Biotechnology".

Which fats are considered correct, which ones should be reduced to a minimum, and which ones should be avoided altogether?

Proper Fat

Healthy fats are vital fatty acids . There are two types of unsaturated fats: polyunsaturated and monounsaturated. First rich vegetable oils(sesame, for example, and others), as well as nuts and seeds. Source of monounsaturated fats - olive oil, as well as avocados, nuts, peanut butter.

And what is known to everyone omega-3? This is a group of three fat unsaturated acids that protect the body from heart disease and Alzheimer's. Omega-3 is found in oily fish- salmon, tuna, mackerel, herring (many doctors recommend taking small varieties of fish, as they contain less mercury). It can also be found in ground flaxseed, walnuts, seaweed, soybeans…

“Ideally, you should consume minimally processed foods that are rich in beneficial omega-3 polyunsaturated fatty acids, monounsaturated fatty acids and conjugated linoleic acid (CLA), as well as some saturated medium chain fatty acids such as stearic acid and lauric acid. On the other hand, , give preference to products with low content omega-6 fatty acids, other saturated fatty acids (palmitic acid) and zero artificial trans fats (partially hydrogenated oil). An easy way to achieve this is to reduce your intake of key sources of saturated fat, such as pizza, burgers, chips, and snacks and sweets," the doctor said.

The wrong fat

Saturated and trans fats threaten vascular health . Usually they are found in fast food and convenience foods, sausages, sausages, ice cream, as well as dairy products (butter, milk, sour cream) and red meat (it is recommended to eat no more than 2-3 times a week) - the so-called animal fats, coconut and palm oil, widely used in confectionery.

There are about two dozen varieties of saturated fats. But not all are dangerous to health. For example, promoted today by supporters of a healthy lifestyle Coconut oil- on the one hand, contains saturated fat, but at the same time helps maintain the level of "good" cholesterol and has a beneficial effect on thyroid function.

If we talk about natural and artificial, then in. These are pacifiers, they are the main source of "bad" cholesterol, which leads to the formation of plaques in the vessels. In addition, trans fats cause metabolic disorders (people get used to fatty foods, the other seems tasteless to them). And then the standard chain follows: metabolic syndrome, obesity, diabetes, problems with the heart and blood vessels, oncology. All natural spoils quickly, which is why fats were invented to help keep food fresh for several months. By the way, if the label says "partially hydrogenated", "hardened", "modified" fats, you know: these are also trans fats.

“The reality is that not all fats are equal. Some are downright bad (like the trans fats in margarine), some are misunderstood (like the saturated fatty lauric acid), and some fats are health heroes (e.g. omega-3s). The problem is that there are products that are packaged with wrong views fat, in particular for weight gain, but also with omega, mono- and polyunsaturated fatty acids, which can confuse us a little," the nutritionist warns.

To shed some light on this issue, we asked Elena Livantsova to talk about some foods containing healthy fats that can be added to the diet . The doctor warned - like all food, even these healthy fats should be consumed in moderation .

Avocado

Chief Representative healthy fats is an avocado. Sometimes it's hard to believe that this incredibly tasty fruit can be so useful. While you should still limit yourself to a quarter or half an avocado per meal, there's no reason to be wary of its fats. Avocado is rich in health benefits monounsaturated fats, which contain oleic acid, which can actually help suppress hunger. Unlike regular butter, it is also a source of protein and fiber.

Olive oil

This Mediterranean oil and heart-strengthening monounsaturated fats, including oleic acid. Research has also found that a diet rich in olive oil leads to increased levels of the hormone adiponectin, which breaks down fat in the body and helps reduce body weight. Another reason to include this oil in your diet is that it can increase levels of the satiety hormone serotonin.

Coconut

Although coconuts contain saturated fatty acids, it is important to note that they are predominantly represented by lauric acid, which has antibacterial action, increases the level of "good" cholesterol and increases daily energy expenditure in humans by as much as 5%. A study published in Lipids found that coconut oil reduces visceral (called "intrinsic") fat.

bitter chocolate

Studies that dark chocolate contains the most high percent pure cocoa butter, which is the source of the so-called stearic acid that slows down the digestion process. This, in turn, suppresses the feeling of hunger and helps to reduce body weight. In addition to healthy fats, dark chocolate is also rich in antioxidants, mainly polyphenols, including flavonoids such as epicatechin, catechin and especially procyanidins, which help fight against free radicals and improve brain blood flow (which can make you smarter!).

nuts

Polina saturated fat in nuts activate genes that reduce body fat stores. In addition, they are rich in vitamins and minerals, and also serve good source protein and fibre. Regular consumption of nuts is also associated with more low risk cardiovascular disease, improved weight control.

Flax and chia seeds

Flax and chia seeds contain an omega-3 fatty acid called alpha-linoleic acid, which helps maintain body weight and reduce the risk of cardiovascular disease by improving condition blood vessels and reducing inflammation. Recent studies have shown that omega-3s can speed up the process of fat burning and reduce hunger, as well as improve fat absorption by changing the activity of obesity genes.

Salmon

As a source of omega-3 fatty acids, the American Heart Association recommends eating salmon fillets twice a week. Omega-3s are helpful in reducing the risk of arrhythmias, triglyceride levels and blood pressure. They also reduce inflammation, which can slow down metabolism. Salmon is also an excellent source of protein, which lowers the hunger hormone ghrelin and increases the appetite-suppressing hormones GLP-1, peptide YY, and cholecystokinin.

Cheese

Cheese is an excellent source of protein, calcium, vitamins, minerals, and fatty acids, which helps slow down the absorption of carbohydrates, keep energy levels constant, and improve brain function. He is also developing diabetes: people who eat a lot of dairy products with high content fats actually have the lowest incidence of diabetes.

Until recently, it was believed that fats are harmful to health and especially to the figure. Many who refused to consume fat over time noticed a deterioration vitality, appearance and the weight not only did not go away, but also increased. Over time, scientists have proven that fats are different. There are fats that are needed, important and even necessary, they also contribute to weight loss.

Functions of fats

• Fats are involved in the construction of cell membranes, as cell wall almost 30% lipids
• Brain tissue is 60% fat. For the full functioning of the brain to the body
• Fats are involved in the production of certain hormones. With a lack of fat, the hormonal and reproductive systems suffer
• Fats are essential for the absorption of fat-soluble vitamins A and E. These vitamins are considered important for maintaining female beauty and attractiveness, they are called "vitamins of youth", without fat these vitamins are not absorbed, the skin, nails, and hair suffer.

What are fats

Fats are:

• saturated (solid: fats of animals and birds);
• unsaturated (liquid: fats herbal products, fish, oils).

Unsaturated, in turn, are divided into polyunsaturated and monounsaturated.

Saturated (solid) fats are poorly absorbed and digested by the body. An excess of animal fats leads to the formation of "bad" cholesterol, increases the risk of atherosclerosis, cardiovascular disease and obesity. But you should not completely abandon saturated fats, as they are involved in metabolic processes.

Unsaturated fats are not deposited in the subcutaneous fat, they contribute to the breakdown of fats and weight loss. reduce the level of cholesterol in the blood, prevent its oxidation, prevent the appearance of atherosclerotic plaques on the vessels.

The polyunsaturated fatty acids found in sea ​​fish, sunflower and linseed oil, walnuts. Foods with polyunsaturated fatty acids protect cell membranes from destruction and oxidation, improve blood counts, regulate fat metabolism, normalize, regulate the production of serotonin (hormone of joy).

Monounsaturated fats (olive oil, peanuts, avocado, almonds) contribute to weight loss, despite their sufficient high calorie content. It is important to observe the allowable daily portions: oils - 2 tablespoons, nuts - 30-40 grams, avocados - 1 fruit per day. Avocado contains L-carnitine, which is a fat burner and is well known for losing weight. It should be borne in mind that it operates under the condition of the presence of physical exertion.

Hello my dear girls. Today I decided to tell you about why fats are needed in the human body. Of course, in the first seconds after you read these words, you will think to yourself: what an absurdity, why might you need fat, if many of the women by all means and diets are trying, on the contrary, to get rid of it!?

But girls we will talk about other fats. About those without which our body cannot fully function. Today we will see with you which of them are the most necessary, from what they can be obtained, and what quantity can be considered optimal.

No matter how we scolded, fat is the main source of energy for our body. They come with food, and take an active part in metabolic processes. Of course, we need to distinguish healthy fats from those that harm our body and contribute to the development of diseases. Healthy fats perform the following functions:

• Energy function. By performing this function, they create body fat, which in turn serve as some kind of “ammunition”, a reserve of reserve energy for our body
• Heat insulating function of fats. They protect our body from hypothermia in the cold season.
• protective function. Our internal organs covered with a thin layer of fat, which allows them to be more protected
• In addition, without them, the production of numerous hormones in the body is impossible.
• Our cells are 30% fat
• Without fat, it is impossible to absorb vitamins A, D, E, K. Few of us know what it is. fat soluble vitamins, and only in such an environment can be absorbed by the body
• For the full functioning of the brain, fats are also necessary, and, with a lack of this element in the brain cells, there is a threat of developing various diseases.

Healthy fats

As I said, fats are useful and not very. First, let's see what products you can get by using necessary for the body useful.

On the scientific language they are called unsaturated. And they are useful in many aspects:

• Reduce blood cholesterol levels
• They cleanse our blood vessels and restore their elasticity
• Normalize blood pressure
• Prevent the formation of blood clots
• They are an excellent prevention of strokes and heart attacks
• Accelerate bone recovery after fractures
• Improve general state ligaments

• Unrefined olive, sunflower and soybean oils. Great amount these fats contain linseed oil, rapeseed and cottonseed oils, fish oil
• Almond
• Walnuts
• Seeds
• Peanut
• Cashew nuts
• Olives
• poultry meat
• wild bird meat
• avocado fruit

Fat and excess weight

Now let's move on to the most unpleasant topic for us: fat, and excess weight that comes from eating fat. You and I know perfectly well that after eating food, our body automatically stores and hides in its hidden corners the fat contained in it, so to speak, for a rainy day. And you can’t explain to him that you are on a diet, and it’s not necessary to do this.

But, in fact, this is not entirely true, to be more precise, our body constantly needs energy, and it receives it from the food we eat.

Carbohydrates are the main source of energy. They break down very quickly, and release a large amount of energy. When we eat little carbohydrates, the body begins to take energy from stored fats, and the accumulation is not very intense.

Therefore, people who try to eat properly and balancedly do not suffer from excess weight, or they can easily regulate it.

But girls and women, exhausting themselves with all kinds of diets, cause disturbances in their body, and because of the aggressive environment that they create in it, the body begins to take revenge and accumulate all the fat that enters the body.

Saturated or unhealthy fats

Now let's talk about which foods contain saturated fats and harm our body. And they harm because they are solid, and are poorly absorbed by our body. And the consequences of this can be the most serious:

1. The first is an increase in the level of cholesterol in the blood. We all have heard this nasty word, and we know perfectly well that a large amount of it harms the body.
2. Secondly, they interfere with the process of splitting harmful fats, and contribute to their accumulation in the body. And all this leads to overweight and dilated vessels

Bad fats are found in the following foods:

• Mutton
• fatty beef
• Lard
• Palm oil
• egg yolks
• Milk, dairy products
• Chocolate
• Butter, coconut oil
• Shrimps and lobsters

Surely everyone was scared when they saw foods that we girls love very much on the list of unhealthy fats. Girls, you don't have to worry we are talking not about completely eliminating these products from the diet, I myself perfectly understand that without chocolate my life will lose color. It only talks about limiting their consumption to reasonable limits.

So, girls, we eat all sorts of sweets, but remember that each of them leaves its part in our body, and there is no guarantee that in a year we ourselves will not become like a delicious sweet donut.

Therefore, at every meal we know the measure, and at night we close the refrigerator with a lock, and give the keys to my husband, provided that under no pretext will he give it to us before 6 in the morning.

Signs of insufficient fat

Of course, an excess of fat is not good for us. But, if there is not enough of them, then our body will immediately sound the alarm. To understand that this is anxiety, you can by the following signs:

• The skin becomes dry and flaky because it lacks the moisture produced by healthy fats.
• Hair will start to fall out in large quantities
• You will drop sharply muscle mass body
• You will become very intolerant of the cold.
• Very often, even the slightest blow will be accompanied by bruises.
• Your immune system weakens and you often get sick
• You have bad and long healing received, even the smallest wounds
• Constant feeling of tiredness and very slow recovery after exercise

Let's summarize

Well, girls, I hope that I was able to fully answer the question: “why do we need fats in our body?”. If not for them, we would have had a very hard time enduring the winter frosts, and would often get sick. Do you feel what a good excuse I gave you in case you are asked why you gained those extra pounds?