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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

