The sun’s rays play a large and effective role for the sake of the continuity of life on the planet, as it helps to form rain, germination and fruits, and maintains human health, as it is the first source of vitamin D that protects the body from osteoporosis, as it benefits the immune system and reduces the possibility Incidence of some types of cancer, in addition to its role in the production of melatonin pigment in the skin.
The best time to be in the sun
Despite the many benefits that the sun’s rays offer to the body, it also carries some damages to it, especially if exposure to it is at the wrong time, as one of the Saudi studies, in cooperation with Boston American University, looked for the best time to be exposed to sunlight, and the time when its radiation should be avoided.
The study revealed that the best time to be exposed to the summer sun is between 8:30 a.m. and 11 a.m., when the body is fully prepared to produce vitamin D. As for the time when the sun’s rays are harmful, it is best avoided, so it is between 12 o’clock and 3 o’clock. In the evening, due to the intensity and intensity of sunlight during this period, which may cause changes in the body’s chromosomes, in addition to an increased risk of sunstroke, skin dislocation, and the body’s ability to produce vitamin D will decrease slightly during this period.
The best time for exposure to the winter sun is between 9 a.m. and 3 p.m., with the benefit of sunlight diminishing slowly as the evening hours approach, so it is advised to be exposed to the sun during the first hours of the day, where the body’s ability to produce vitamin D is higher than any other time , It is also advised not to exaggerate exposure to the sun in the winter, because it contains harmful ultraviolet rays in the body, which may cause reduce collagen levels in the skin, in addition to stimulating the formation of brown spots to protect themselves from the damage of these rays.
The best duration of sun exposure
The best period of exposure to sunlight ranges between ten minutes to a quarter of an hour three times a week, by revealing the legs, arms and face and avoiding applying sunscreen cream, during which the body can produce between 1500 units to 3000 units of vitamin D, while avoiding harming the body Or the skin, knowing that people with light skin can produce more vitamin D at a certain time compared to people with dark skin.