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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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The average adult has about 21 square feet of skin.