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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Boundaries within landscapes created by human activity (background) and natural environmental gradie Boundaries within landscapes created by human activity (background) and natural environmental gradie
Enzyme activity is affected substantially by temperature Enzyme activity is affected substantially by temperature
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Older Adults Benefit from Good Nutrition and Physical Activity Older adults Older Adults Benefit from Good Nutrition and Physical Activity Older adults
Video: Digestive chemicals - types & enzymes

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