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Asthma cases in Americans are about 75% higher today than they were in 1980.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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There are more bacteria in your mouth than there are people in the world.
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Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.