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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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.
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.