The sun is an important source of life for humans. The only reason for this is not to provide food
thanks to the sun. The sun also has an effect on human metabolism. Thanks to the sun, the happiness hormone called endorphin is secreted and the body's vitality increases. The sun enables the production of vitamin D
and enables the skin to secrete proteins that protect against cancer. On the other hand, the effect of Ultraviolet
rays causes skin cancer, spots, wrinkles and cell death in the body.
What amount of UV rays are harmful to the body? This amount is not yet known exactly, but it is important to protect from the sun during the hours when the sun is perpendicular to the earth. In addition, it is much more harmful to people with weak immune systems or fair skin
than other people. UV rays in the sun cause DNA damage and cause cancer.
Why is the production of vitamin D, one of the most important effects of the sun on humans, important?
Vitamin D is stored in fat and the liver. It is taken with food, but its main synthesis site is epidermal
photosynthesis in the skin. Vitamin D is a vitamin necessary for many organs such as bones, intestines, heart, lungs, kidneys and thyroid gland, and it also has a place in the treatment of diabetes, cancer and inflammatory diseases.
Climate, advanced age, Many factors such as working conditions, glass, clouds, air pollution, and sunscreens prevent sufficient vitamin D
production. Strict diet for weight loss, intestinal malabsorption disorders or obesity
cause serum vitamin D value to be low.
Vitamin D in the blood of a healthy person should be between 50-150 nmol/ml. For this reason, it is recommended to take 4000 units worth of vitamin D orally per day. It is more appropriate for people who have intestinal diseases or have undergone stomach reduction surgery to take injections instead of oral supplements.
Excessive intake may have a toxic effect as it will accumulate in the liver and fat, so do not consume more than your doctor recommends. . Fatty fish such as tuna, salmon, eggs, fortified
milk, orange juice are sources of vitamin D.
Vitamin D is formed thanks to UV rays and also reduces the carcinogenic effects of UV rays. B. For this reason
our body must have enough vitamin D to prevent sun aging.
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