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There are approximately 3 million unintended pregnancies in the United States each year.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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.
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.