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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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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.
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There are more bacteria in your mouth than there are people in the world.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
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Your heart beats over 36 million times a year.