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A “healthy glow” isn’t really anything that does anything for your health. Get fast facts on tanning, and find out why that healthy glow is more harmful than healthy.

• Fair-skinned people usually burn rather than tan in the sun because they lack melanin, which is responsible for a tan’s coloring.
• The epidermis, your outside layer of skin, does not have a direct blood supply. Instead, it’s supported by the dermis, the inside layer of skin.
• The dermis protects you against burns, punctures and other damage by using nerve endings to alert you when something is hurting your skin.
• Sunburns don’t just age your skin — they can actually damage your DNA, which can cause mutations that lead to cancer.

Full list at HowStuffWorks.com.

Total aggregation of HowStuffWorks.com.

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