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Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

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.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Tonsils—normal and enlarged. Tonsils—normal and enlarged.
Tracking Goal-Setting Progress Tracking Goal-Setting Progress
Greatly enlarged cervical lymph nodes due to Hodgkin’s lymphoma. Greatly enlarged cervical lymph nodes due to Hodgkin’s lymphoma.
Personal care setting. Personal care setting.
Goiter is an enlarged thyroid gland caused by an iodine deficiency Goiter is an enlarged thyroid gland caused by an iodine deficiency
Video: Neurosynapse Animation

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