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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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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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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

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There are more bacteria in your mouth than there are people in the world.

Species, subspecies, populations, and individuals. Species are reproductively isolated from one anot Species, subspecies, populations, and individuals. Species are reproductively isolated from one anot
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According to Kohlberg’s theory, only a few individuals, such as Martin Luther King, Jr. (left) and ... According to Kohlberg’s theory, only a few individuals, such as Martin Luther King, Jr. (left) and ...
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Fraction of obese individuals by state in 1998 and 2008. In 1998, 42 states had obesity rates below Fraction of obese individuals by state in 1998 and 2008. In 1998, 42 states had obesity rates below
Video: Introduction to Insulin

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