Advances in medical therapy have improved outcomes for many ambulatory patients with heart failure and low ejection fraction (EF; a measure of how much blood the left ventricle of the heart pumps out with each contraction), according to background information in the article. However, each year an estimated 250,000 to 300,000 patients are hospitalized for [...]

Studies examining the association between coffee consumption and risk of myocardial infarction (MI heart attack) have been inconclusive. Coffee is a major source of caffeine, which is the most widely consumed stimulant in the world and has been implicated in the development of cardiovascular diseases such as heart attack, according to background information in the [...]