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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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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

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There are 60,000 miles of blood vessels in every adult human.

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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Aquatic microclimates: aquatic environments generally show less temperature variation compared to te Aquatic microclimates: aquatic environments generally show less temperature variation compared to te
Sample Exercise Program for Limited Older Adults Sample Exercise Program for Limited Older Adults
Sample Exercise Program for Limited Older Adults (cont.) Sample Exercise Program for Limited Older Adults (cont.)
Children with autism generally prefer interacting with objects over people. Children with autism generally prefer interacting with objects over people.
(a) Varicella zoster virus recurring as shingles, a painful rash limited to an area enervated by 1 ... (a) Varicella zoster virus recurring as shingles, a painful rash limited to an area enervated by 1 ...
As the world’s population continues to grow, demands on limited resources for food production As the world’s population continues to grow, demands on limited resources for food production
Video: Darwin's Observation (Fossils, Galapagos Islands & Africa ) and Natural Selection (Adaptive Traits)

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