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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

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