The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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The average office desk has 400 times more bacteria on it than a toilet.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
Rectovaginal fistula. It is an abnormal passageway between the rectum and vagina.
Polyps, or abnormal growths, on the lining of the large intestine may indicate early stages of colon
