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

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Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Child with bacterial meningitis in an opisthotonic position. Child with bacterial meningitis in an opisthotonic position.
Prevalence of Obesity in the United States Prevalence of Obesity in the United States
The United States, 1819 The United States, 1819
The percentage of women over 40 in the United States who are childless has almost doubled in the ... The percentage of women over 40 in the United States who are childless has almost doubled in the ...
States that require licensing or certification. Graphic provided by Associated Bodywork & ... States that require licensing or certification. Graphic provided by Associated Bodywork & ...
Irene Manufacturing uses a predetermined overhead allocation rate based on a percentage of ... Irene Manufacturing uses a predetermined overhead allocation rate based on a percentage of ...
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