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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.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
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.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.