While trials show beta-blockers help patients with impaired heart function, the impact on those with normally functioning hearts is unclear

A decades-old pill remains helpful for heart attack patients even with modern treatments that can prevent lasting damage to the heart muscle, two large trials have shown.

Two contradictory reports were presented at a cardiology meeting in Madrid, Spain, late last month and published in The New England Journal of Medicine.

Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 89 TCF vendor(s) and 20 ad partner(s), or used specifically by this site or app.

Some vendors may process your personal data on the basis of legitimate interest, which you can object to by managing your options below. Look for a link at the bottom of this page or in the site menu to manage or withdraw consent in privacy and cookie settings.