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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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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

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Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

An individual's performance can be limited by environmental conditions, such as temperature. Ac An individual's performance can be limited by environmental conditions, such as temperature. Ac
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
L. Frank Baum, author of The Wonderful Wizard of Oz (1900) and a fan of William Jennings Bryan, perh L. Frank Baum, author of The Wonderful Wizard of Oz (1900) and a fan of William Jennings Bryan, perh
Sample Exercise Program for Limited Older Adults (cont.) Sample Exercise Program for Limited Older Adults (cont.)
Sample Exercise Program for Limited Older Adults (cont.) Sample Exercise Program for Limited Older Adults (cont.)
Two stubby screwdrivers used to access screws that have limited space above. A straight blade is on ... Two stubby screwdrivers used to access screws that have limited space above. A straight blade is on ...
Video: A Human Karyotype Preparation Animation

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