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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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.
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.