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Author Question: Ms. Harper provided a token as a reinforcer for John's behavior. The token was what type of ... (Read 910 times) |
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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.