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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.