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On average, the stomach produces 2 L of hydrochloric acid per day.
Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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.
Excessive alcohol use costs the country approximately $235 billion every year.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.