THE BENEFITS OF THE SUN-RAYS
If the exposure to sun light is moderate, the benefits outnumber the dangers. First of all sunshine has a good effect upon the mental health and well-being, both due to the visible light and to the warming effect.
The UVA rays in the sunlight stimulates the skin to produce vitamin D. This vitamin is necessary for the normal composition, growth and regeneration of bone tissue. By to low levels of vitamin D in the body, the bones tend to loose calcium and get thinner and weaker. Newer findings suggest that many people do not get enough of this vitamin through the diet or do not absorb enough from the intestines, and need this stimulation to get good enough levels of vitamin D.
Newer findings also suggest that moderate amount of sunshine does not promote the occurence of skin cancer. On the contrary, in moderate amounts, exposure to sunshine seems to help prevent cancers of several types., especially breast cancer, colon cancer and prostate cancer.
The benefit that most people go for when engaging in sun bath, is the browning effect. This effect comes from the UVA rays stimulating the melanocytes in the skin to produce more...
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