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Did you know?

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

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Causes of Error in Blood Pressure Readings Causes of Error in Blood Pressure Readings
Adults in the Berlin Study of Aging show earlier declines on tests of nonverbal, fluid tasks (upper ... Adults in the Berlin Study of Aging show earlier declines on tests of nonverbal, fluid tasks (upper ...
Purpura, an inflammation of the blood vessels. Purpura, an inflammation of the blood vessels.
Blood Flow to the Brain Blood Flow to the Brain
Components of Human Blood Components of Human Blood
Video: Sigmoidoscopy

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