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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.