The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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The longest a person has survived after a heart transplant is 24 years.
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
Reindeer antlers grow again each year under a layer of fur called velvet. This reindeer is losing th
Language evolution
The Rise of the Second American Party System, 1828
Loss of Indian Lands, 1850–2010
On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a