Facts you may not know about your skin

The skin is the largest organ of the human body. It offers protection and receives blows from the external environment to the most sensitive internal organs.

The skin cells are divided and regenerated to combat any damage that it might suffer during the body protection task performed by more than any other limb.

The skin prevents the penetration of harmful bacteria into the internal parts of the body and protects the underlying tissue from damage caused by the sun's ultraviolet rays, via the secretion of melanin.

The skin also maintains the body's internal temperature by releasing sweat when it is exposed to heat. In case of cold, it narrows the blood vessels, thus reducing the speed of blood flow to the body surface, thus maintaining the body's natural temperature.

With the spread of incurable skin diseases such as cancer, the interest of skin for skin has doubled, and social media and Internet forums have been put on the market with false information on the skin.

Here are facts about human skin that you should know:

• Does the skin reproduce?

Yes, according to the consensus of dermatologists, skin cells known as "keratin" (the outer layer of the skin) are constantly split to produce a stock of other cells that move to remove dead skin and replace it with a new one.

• Does drinking water help you to have healthy skin?

Not quite, the amount of water you drink does not have a direct effect on your skin because its water comes from the bloodstream in your blood vessels.

It is true that water is needed to keep the skin hydrated, but not by drinking it in precise amounts.

• Does stress affect the health of the skin?

There are certainly many health problems in modern life caused by stress. It has been scientifically proven that alopecia is an automatic immune state of the skin against fatigue by attacking hair follicles as a sign of abnormal condition.

Many skin diseases are caused by stress, such as inflammation, eczema, and itching caused by red dermatitis.

• Can a vegetarian diet protect the skin?

No, for example, common acne, which can last until the 30s and 40s, results from the interaction between the hormonal effects on the sebaceous glands of the skin, as well as the immune response of the skin against the pores clogged and living microbes on the skin.

Although a high fat diet is unhealthy, it does not cause acne and a vegetarian diet is useless for treating the same disease.

• Sun rays. Is the skin harmful or beneficial?

The sun is harmful and useful, and I saw a mix of different elements, harmful elements that do not see and called ultraviolet light.

But the sun has benefits for the skin, the most common being vitamin D, which is necessary for healthy bones, without exposure to the sun, this vitamin should be obtained through the diet.