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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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The human body produces and destroys 15 million blood cells every second.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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The familiar sounds of your heart are made by the heart's valves as they open and close.