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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

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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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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

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Video: A Human Karyotype Preparation Animation

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