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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 effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Black flies are blood-sucking insects who vector disease, like River Blindness, while feeding on hum Black flies are blood-sucking insects who vector disease, like River Blindness, while feeding on hum
Jaundice. Photograph of an individual with liver disease, evidenced by the yellowing of the sclera o Jaundice. Photograph of an individual with liver disease, evidenced by the yellowing of the sclera o
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Risks of infectious disease increase in (a) high-density agricultural populations compared to (b) lo Risks of infectious disease increase in (a) high-density agricultural populations compared to (b) lo
Drugs Used in the Treatment of Peptic Ulcer Disease (PUD) and GERD Drugs Used in the Treatment of Peptic Ulcer Disease (PUD) and GERD
Manhattan plots resulting from a genome-wide association study of seven common human disease Manhattan plots resulting from a genome-wide association study of seven common human disease
Video: Cellular slime mold life cycle Animation

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