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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.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Thyroid conditions may make getting pregnant impossible.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.