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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.