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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.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.