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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.
Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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.