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

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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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The average office desk has 400 times more bacteria on it than a toilet.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Basic overview of energy and human life. Basic overview of energy and human life.
Sections of the Human Brain Sections of the Human Brain
Human Lungs Diagram Human Lungs Diagram
Genes and Personality Genes and Personality
The human olfactory system. The human olfactory system.
Video: Types of Shock (Part 2 of 2)

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