What are the benefits of sunny days?

The sun is very strong on a sunny day.

1, sunbathing can help people get vitamin D, which is also the main source of vitamin D, also known as "sunshine vitamin". The source of vitamin D3 contained in human skin is made by obtaining ultraviolet rays from sunlight and converted into vitamin D, which can help the human body absorb calcium and phosphorus and make children's bones grow strong and strong.

Can be used for preventing rickets and rickets in children. For adults, it can prevent osteoporosis and rheumatoid arthritis.

Sunbathing can prevent skin diseases. Proper exposure of the skin to ultraviolet rays can effectively kill bacteria on the skin and increase the skin's resistance.

3. Sunbathing can also enhance the immune function of human body and increase the vitality of phagocytes. Ultraviolet rays in the sun have a strong bactericidal ability. Generally, bacteria and some viruses will be killed if they are exposed to the sun for half an hour or several hours.

4. Sunshine also has a certain regulating effect on people's life rhythm and psychology. Sunbathing can promote blood circulation, enhance metabolism and regulate the central nervous system, thus making people feel relaxed and comfortable.

5. Sunbathing can improve male androgen level, enhance sexual desire and improve sperm quality. Because the testosterone level in human blood will increase with the increase of vitamin D content in the body. The study also confirmed once again that the daily sunshine of 1 hour can increase testosterone in human body by 69%.

6. Ultraviolet rays in sunlight can also stimulate bone marrow to produce red blood cells and improve hematopoietic function, thus preventing anemia.

The above contents refer to:

Baidu encyclopedia-basking in the sun