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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.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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