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By definition, when a medication is administered intravenously, its bioavailability is 100%.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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.
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
Asthma cases in Americans are about 75% higher today than they were in 1980.