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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

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Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

The vagina, sagittal section showing the location of the vagina and its relationship to the cervix, The vagina, sagittal section showing the location of the vagina and its relationship to the cervix,
The male reproductive system, sagittal section showing the organs of the system and their relation t The male reproductive system, sagittal section showing the organs of the system and their relation t
The urinary bladder. The urinary bladder.
Improving your flexibility can help you reduce muscle soreness and lower your risk of injury Improving your flexibility can help you reduce muscle soreness and lower your risk of injury
Nerve meets muscle Nerve meets muscle
A cross section of muscle showing the molecular organization within the muscle fiber. In normal musc A cross section of muscle showing the molecular organization within the muscle fiber. In normal musc
Video: Conduction of action potentials

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