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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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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Relationship between the number of CAG repeats in a gene and the age of onset of Huntington disease. Relationship between the number of CAG repeats in a gene and the age of onset of Huntington disease.
Cross Section of Skin and Free Nerve Endings Cross Section of Skin and Free Nerve Endings
The cranial and facial bones of the axial skeleton. The cranial and facial bones of the axial skeleton.
When the number of miles traveled is considered, drivers under 25 years of age and those over 70 are ... When the number of miles traveled is considered, drivers under 25 years of age and those over 70 are ...
“Career choice” for many women means leaving their paid jobs for a number of years when they ... “Career choice” for many women means leaving their paid jobs for a number of years when they ...
The Location and Number of Farms in the United States, 2012 The Location and Number of Farms in the United States, 2012
Video: Arthroscopy

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