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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.