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By definition, when a medication is administered intravenously, its bioavailability is 100%.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.