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Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

The frequency of competition according to the number of species involved. The frequency of competition according to the number of species involved.
Brain scans showing the white-matter pathways involved in everyday learning: Brain scans showing the white-matter pathways involved in everyday learning:
Cross-section of wrist showing tendons and nerves involved in carpal tunnel syndrome. Cross-section of wrist showing tendons and nerves involved in carpal tunnel syndrome.
Action of bile salts in emulsifying fats in the intestine Action of bile salts in emulsifying fats in the intestine
Gallstones result from the crystallization of salts and other compounds in bile Gallstones result from the crystallization of salts and other compounds in bile
Gallbladder: The Bile Keeper Gallbladder: The Bile Keeper
Video: Glucagon (glycogenolysis and gluconeogenesis)

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