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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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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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