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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.
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.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.