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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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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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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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
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The longest a person has survived after a heart transplant is 24 years.
Important Trace Elements in the Body
Calculation of the Value of Depletion for the 14 Most Important Minerals
Important Land Ecoregions
Chromatin states, gene content, and characteristic histone modifications