hypertension

Both 'top' and 'bottom' blood pressure numbers matter

People who forget to look at the bottom number in a blood pressure reading may want to check again. When uncontrolled, both measures of blood pressure can increase the risk of heart attack and stroke, according to a study published Wednesday in the New England Journal of Medicine.

Red wine's resveratrol decreases blood pressure in mice

Resveratrol, a compound produced in the skin of grapes to defend against insects and bacteria, is present in red wine. Mice that were fed large quantities of this compound experienced a beneficial drop in blood pressure, according to a study published Thursday in the journal Circulation.

Arsenic in drinking water damages hearts of young adults, study says

Young adults free of diabetes and cardiovascular disease developed heart damage after only five years of exposure to low-to-moderate levels of arsenic commonly found in groundwater. This was the finding of a study published Tuesday in Circulation: Cardiovascular Imaging, an American Heart Association journal.