How Does Vitamin D Affect Skin?


Vitamin D or the sunshine vitamin is essential for the development of healthy bones and strong muscles. It helps the body absorb calcium for strong bones and muscles. As such it is good to know that every time you walk outdoors, UVB rays react with your skin to produce vitamin D.

However like in many other situations, too much of a good thing can quickly become a bad thing as unprotected, extended exposure to UVB rays can also cause the skin to burn and redden while damaging the skin’s outer layers.

Being shortwave rays, UVB rays primarily affect the superficial layers of skin without penetrating deep under these layers, but if you are not wearing proper sun protection on your skin then this exposure can become dangerous and may contribute to serious health conditions like skin cancer and the appearance of early signs of aging on the skin.

On the other hand, UVA rays are present during sunlight hours everywhere, regardless of your location. In contrast to UVB rays, which only affect the outer layers of the skin, UVA rays are considered long wave as they can reach below the external layers of skin. As such, exposure to UVA rays has always been closely associated with skin aging, wrinkles and skin cancer.

A little sunlight can be good for you, and going out for 10 minutes a day with no sunscreen can be considered a safe bet.

But anything beyond that limit should be protected by wearing SPF 30 and more with UVA/UVB protection. In addition, pay attention to your wardrobe choices while stepping out in the sun; take care to put on closely woven yet loose fitting clothing that will be comfortable to wear in the sun. During peak hours of UV radiation, seek to stay in the shade outdoors and protect your face and neck by opting for wide brimmed hats.

For people living in places where there isn’t enough sunlight exposure, they may need to supplement the vitamin through their diet or other supplements.

However, there are not a lot of foods that contain vitamin D. Some of the foods that can be included in your diet to supplement vitamin D are salmon, mackerel, tuna, and cod liver oil. Egg yolks, cheese, and beef liver can also deliver small amounts of vitamin D.

Contact your medical doctor before you start taking any supplements.

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