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Did you know?
Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
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.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.