Too much coffee may bring on jitters, but this doesn’t seem to translate into heart-rhythm problems, a new study shows. People knocking back cup after cup had no more hospitalizations for heart arrhythmia — and may even have had slightly fewer — than did people who dodge the java altogether, researchers at Kaiser Permanente in Oakland, Calif.,
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.