There is a common misconception when it comes to skin damage from the sun. The sun is actually something to welcome because it helps us to get Vitamin D. *Vitamin D is a valuable nutrient that can help prevent osteoporosis, depression, prostate cancer, breast cancer and can even effect diabetes and obesity.
Vitamin D is produced naturally from UVB rays. The sun gives off both UVA and UVB rays but the UVB rays are the only ones that are beneficial. However, UVA rays can penetrate through glass, unlike UVB and they can also penetrate much deeper. UVA therefore may be the real culprit behind photoaging, wrinkles and skin cancer. The real kicker? Most sunscreens today do a pretty good job filtering out the good rays, UVB, while letting through skin-damaging UVA light. Even a sunscreen with SPF 8 can block up to 95% of Vitamin D synthesis. Furthermore, many sunscreens contain major toxic chemicals that your body is absorbing. Your best bet is to avoid the sunscreens altogether! Does this mean to soak up the sun without any protection? Absolutely not.
The best way you can catch some “D’s?”…start getting your sunlight in ten minute increments. Most of us produce about 20,000 units of vitamin D after about twenty minutes in the sun. That is one hundred times more than the government says you need every day. So, at ten minutes a day, you are still getting the vitamin D that your body needs and you aren't harming your skin by absorbing too many UVA rays. The most important thing to remember when out in the sun…don’t get burned! If you are going to be in prolonged sun exposure and are at risk of a sunburn use zinc oxide or titanium dioxide. They are nontoxic and block out harmful UVAs.
*http://www.naturalnews.com/003069.html
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