Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
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Medication errors are three times higher among children and infants than with adults.
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Thyroid conditions may make getting pregnant impossible.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
Hydrophilic and Hydrophobic
The ear. Lateral view of the ear region on one side of the head.
Pieter Saenredam, Interior of the Choir of St. Bavo's Church at Haarlem.