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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.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Excessive alcohol use costs the country approximately $235 billion every year.