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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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In 1864, the first barbiturate (barbituric acid) was synthesized.

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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

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Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

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