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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.