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Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

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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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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

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The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Variation in the rate of evolution as a function of the strength of selection, assuming genetic drif Variation in the rate of evolution as a function of the strength of selection, assuming genetic drif
Nursing process as a system Nursing process as a system
Neuropeptides and Peripheral Peptides Involved in Control of Food Intake and Metabolism Neuropeptides and Peripheral Peptides Involved in Control of Food Intake and Metabolism
Endocrine and nervous control of blood pressure. Endocrine and nervous control of blood pressure.
A typical direct-injection system uses two pumps—one low-pressure electric pump in the fuel tank ... A typical direct-injection system uses two pumps—one low-pressure electric pump in the fuel tank ...
Complete Digestive System: Frog Complete Digestive System: Frog
Video: Muscle Twitch and Muscle Tension - Motor unit size and force

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