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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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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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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

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Video: Depolarization of the SA node, Action potentials of the myocardium & ANS effects

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