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The familiar sounds of your heart are made by the heart's valves as they open and close.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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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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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.