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Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

The conduction system of the heart; traces the path of the electrical impulse that stimulates the he The conduction system of the heart; traces the path of the electrical impulse that stimulates the he
Josiah Wedgwood, Queen's Ware dinner service (detail). Josiah Wedgwood, Queen's Ware dinner service (detail).
Envelope showing four options for placement of ancillary service endorsements. Envelope showing four options for placement of ancillary service endorsements.
A medical assistant holds a specimen container to receive a biopsy sample. A medical assistant holds a specimen container to receive a biopsy sample.
Connecting cables and a computer to perform off-board programming. Connecting cables and a computer to perform off-board programming.
Juan's Software Service Company is in a perfectly competitive market. Juan has total fixed ... Juan's Software Service Company is in a perfectly competitive market. Juan has total fixed ...
Video: Biological organic compounds

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