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Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

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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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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Cellular section from the brain of a person who died from Alzheimer's disease. Cellular section from the brain of a person who died from Alzheimer's disease.
The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts. The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.
Super Mario Squid Super Mario Squid
Potentially Active Volcanoes of the Western U.S Potentially Active Volcanoes of the Western U.S
Having a time zone map located near the telephone will assist you when making long distance calls ou Having a time zone map located near the telephone will assist you when making long distance calls ou
Secondary response begins more rapidly after exposure to antigen, produces more antibodies, and ... Secondary response begins more rapidly after exposure to antigen, produces more antibodies, and ...
Video: Introduction to Spirometry

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