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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.