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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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There are more bacteria in your mouth than there are people in the world.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.