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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 Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.