People with irregular heartbeats are advised to caffeine, but a new study, he may not need to leave enough shows.
Researchers 1,388 people during a one-year period, had recorded their intake of tea and chocolate, and Holter 24 hours to get used electromechanical monitors.
More than 60 percent of the participants or daily reported consuming foods containing caffeine. But electrocardiogram premature beats or between caffeine users and abstainers episodes of rapid heart rate revealed no difference. The study is in the Journal of the American Heart Association.
"Drink more caffeine increases the risk for early beats that have no clear evidence," senior author, Dr. Gregory M. Marcus, University of California, San Francisco, an associate professor of medicine, said. In fact, evidence from other studies suggests caffeine decreased the rate of cardiovascular problems may be associated.
Irregular heartbeats "For some people it, caffeine is a stimulant that is very likely to tell patients", Dr. Marcus said. "In general, these experiments and it affects their quality of life to see how to weigh the pros and cons of caffeine tell them that it's OK. The majority of life-threatening arrhythmias Are not. "