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Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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.