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There are more bacteria in your mouth than there are people in the world.
Asthma cases in Americans are about 75% higher today than they were in 1980.
Cyanide works by making the human body unable to use oxygen.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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