In adults, sleep apnea is tied to higher blood pressure. Does sleep apnea produce the same result in children?

African Americans have the highest rate of high blood pressure of all racial groups, but it often goes undetected, and among this population, women are more likely to have the condition.

Poor sleep has been linked to chronic disease and obesity. Race and socioeconomic status also have been linked to poor health. It is possible that all these factors are connected. 

If you take medication to treat high blood pressure, you may want to reevaluate your treatment. New guidelines recommend that blood pressure targets for those over 60 years old be raised.

People with advanced kidney disease sometimes must undergo dialysis, during which waste is filtered from the blood. Certain drugs may delay the need for dialysis.

Heart disease and stroke remain two of the most dangerous health problems in America, according to a recent review of statistics and research.

Getting enough calcium is important, especially for older women. But could calcium supplements negatively affect heart health?

Fictional British spy James Bond, 007, asked for his martinis to be "shaken, not stirred" — but new research suggests that his preference may have resulted from an alcohol induced tremor.