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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
By definition, when a medication is administered intravenously, its bioavailability is 100%.