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Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

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Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

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Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Common bone fractures. Common bone fractures.
Childe Hassam, Boston Common at Twilight Childe Hassam, Boston Common at Twilight
Examples of the most common X-ray positions and the images they produce. Examples of the most common X-ray positions and the images they produce.
Common Blood Chemistry Tests Common Blood Chemistry Tests
Common Triggers of Asthma Common Triggers of Asthma
Common Adverse Effects of Corticosteroids Common Adverse Effects of Corticosteroids
Video: Exercise and cardiac output & Definition of stroke volume

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