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Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.