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May 2014

Your Skin and the Sun

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Sunlight consists of two types of ultraviolet rays: UVA and UVB. Of these two, UVA rays are the most harmful, penetrating deep into the dermis layer of the skin, damaging collagen fibers in the skin and causing signs of premature aging. UVA is thought to be primarily responsible for melanoma skin cancer. Unlike UVA rays, UVB rays do not penetrate as deeply into the skin and are easily blocked. UVB rays are actually an important source of vitamin D, which is generated in the skin during sunlight exposure. Avoiding sun exposure and using sunscreens can lead to a vitamin D deficiency. On the other hand, too much exposure can lead to sunburn, premature aging, and skin cancer. Tanning is the skin's own built in defense against UV overexposure. When the skin detects UV radiation, it prompts the release of the brown pigment melanin, which absorbs the radiation and dissipates the energy as heat. Full sunscreen coverage can actually block certain wavelengths of light that trigger this natural body defense. Therefore, appropriate sun exposure can actually help prevent skin cancer. Read More...
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Magnesium: The Overlooked Mineral

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Magnesium is one of the most essential elements in the human body, but its importance is often overshadowed by the much more well-known calcium. But what many don't know is that calcium cannot function at all without sufficient magnesium levels in the body. Magnesium not only allows calcium to be properly absorbed and utilized by the body, but it also works as an equal partner in many processes that are often attributed to calcium alone, like building strong bones and teeth. Read More...
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