How much sun do we need for healthy bones?
We need vitamin D to maintain good health and to keep bones and muscles strong and healthy. Vitamin D forms in the skin when it is exposed to UV from sunlight. Sensible sun protection does not put people at risk of vitamin D deficiency. In Australia, we need to balance the risk of skin cancer from too much sun exposure with maintaining adequate vitamin D levels. "Overview of Dietary Supplements.The sun's ultraviolet (UV) radiation is both the major cause of skin cancer and the best source of vitamin D. "How does the law define a drug?" (May 1, 2012)
"Is Retinol the miracle ingredient?" (April 23, 2012) "Sunlight: Good or Bad for Cancer Risk?" WebMD. Click ahead for supplements linked to the problem. Increased sensitivity to the sun doesn't end with Retin-A and retinol. Some dermatologists argue that it, too, can make the skin sensitive to sunlight. Retinol is a gentler, over-the-counter skin treatment that's also derived from vitamin A. The degree of susceptibility varies from user to user. Used to treat acne and other imperfections in the skin, Retin-A is acidic.īecause of its exfoliating properties, it can leave the skin extremely dry, red and more susceptible to sunburn.
It's a chemically altered form of vitamin A that's available only by prescription. Retin-A is one drug, often categorized as a vitamin that has been shown to cause sun sensitivity. Occasionally the line between a drug and a vitamin can be blurred.
Drugs or medications are defined by the Federal Food, Drug and Cosmetic Act as chemicals, other than food, meant to treat or prevent disease. Their purpose is to fill in gaps, or supplement, your diet. Think of supplements in the context of food.
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