Drink 2 liters of water a day and stop eating chocolate to banish acne

There is nothing better than an annoying skin escape to make you fall.

Acne, eczema and psoriasis can make you feel embarrbaded, irritated and downright miserable – especially if they show no signs of improvement.

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And when it comes to skin health, there is a lot of conflicting advice.

Choose any glossy magazine and it will tell you to get rid of all the delicious food if you do not want to make matters worse.

But do you do it really must swear chocolate for the rest of your life if you want to live without stains?

Dr. Sara Brown, Professor of Molecular Dermatology and Genetics at the Wellcome Trust and the University of Dundee, categorically states: no.

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She shared the seven most common misleading "facts" about skin health, so we can clearly explain how to take care of our skin.

The skin is our largest organ and most of us take it for granted, says Dr. Brown.

"The basic principles of keeping skin healthy are essentially common sense," she says. You should wash your hands gently, but regularly, using a moisturizer, avoiding stress and using sunscreen.

She writes for The Conversation:

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You must drink two liters a day for healthy skin: FALSE

The amount of water you drink does not have a direct effect on your skin.

Water is supplied to the skin by the blood flowing through the dermis, the inner layer of the skin; of the epidermis loses water, especially in a dry environment.

Water is needed to maintain hydration of the skin and when you are severely dehydrated, your skin looks dull and less elastic.

In a healthy person, the internal organs – kidneys, heart and blood vessels – control the amount of water reaching the skin. There is no fixed volume of water that you need to drink, it just depends on the quantities you use and you lose.

The skin is constantly renewed: TRUE

The skin is a dynamic barrier between the internal environment of your body and the outside world.

The cells called keratinocytes in the epidermis (the outer layer of the skin) divide constantly to produce a supply of cells that go back through that layer and come off of its surface.

The skin is a rich source of stem cells with the ability to divide and renew itself.

Eating chocolate causes acne: FALSE

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Eating a high fat diet is unhealthy for many reasons, but it does not cause acne. In fact, some tablets prescribed for severe acne, such as oral isotretinoin, are better absorbed when the tablets are swallowed with a fatty meal – and this could include chocolate.

Acne vulgaris, the common "adolescent" acne that can persist until 30 or 40 years, results from the interaction of hormonal effects on the fatty glands of the skin and the response immune to skin with clogged pores and microbes living on the skin. .

Stress can make skin unhealthy: TRUE

Stress is at the root of many health problems in modern life, but scientific studies have shown that many skin conditions are aggravated by life events, possibly through stress hormones, including cortisol (steroid hormone produced by the adrenal glands).

Notable examples are alopecia areata, an autoimmune disease in which body immunity begins to attack hair follicles, leading to hair loss; psoriasis, another autoimmune condition that causes thickening of the skin, desquamation and inflammation; and eczema, inflammation of itchy red skin, often badociated with asthma, hay fever and other allergies.

Unfortunately, a flare of these skin conditions is exactly what you do not need when you feel stressed or under pressure.

Laundry powder causes eczema: FALSE

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Eczema is a condition characterized by dry, irritated and red skin.

It is caused by a combination of genetic factors (how your skin is made) and environmental effects, leading to inflammation.

Soap, detergents and laundry powders can irritate the skin and contribute to skin dryness as they remove oil from the skin (just as dishwashing liquid removes grease from the dishes). Organic powders contain enzymes – proteins that break down fats and other proteins to eliminate stains – that can irritate sensitive skin and aggravate eczema.

To avoid irritation of the skin, it is important to rinse all washing clothes before wearing.

The sun is good for your skin: TRUE & FALSE

Many people have felt the well-being of a sunny day, but the sunlight has positive and negative effects.

Sunlight includes a mixture of different wavelengths of light. Different wavelengths have different effects on the skin.

UVB is used by the skin to make vitamin D, which is essential for healthy bones. Without exposure to the sun, this vitamin must come from the diet. Dermatologists use specific UVA and UVB wavelengths at carefully controlled doses to reduce skin inflammation, a valuable treatment for some skin conditions.

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But when the skin is exposed to too much UV radiation, it can damage the DNA in skin cells, leading to uncontrolled growth at the base of the cancer.

As a general rule, unless you have an illness or a treatment that weakens your immune system, the sun is good for moderation, but always avoid getting sunburned.

White marks on nails mean calcium deficiency: FALSE

Nails are made in the nail matrix, an area under the skin at the top edge of the nail.

If the matrix is ​​traumatized, struck or bitten, an irregularity in nail development occurs and air can be trapped.

This appears as a white mark as the nail grows.

Calcium is important for healthy nails (as well as for bones and teeth), but these white marks are not a sign of deficiency.

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