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Did you know?
During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
Did you know?
In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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There are 60,000 miles of blood vessels in every adult human.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.