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Blood is approximately twice as thick as water because of the cells and other components found in it.
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.
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.