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Author Question: Henry lacks a sense of direction. Whenever his parents or friends ask him what he is going to do now ... (Read 28 times) |
The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
Your heart beats over 36 million times a year.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
There are 60,000 miles of blood vessels in every adult human.
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.