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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
The FDA recognizes 118 routes of administration.