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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?
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.