The study didn't offer any reason why coffee might reduce heart rhythm problems." The study didn't offer any reason why coffee might reduce heart rhythm problems, could not that coffee drinkers have better diets or exercise more. We can't say for sure that it might be related to minor heart rhythm problems that don't require hospitalization.
" The bottom line: don't have to quit because they have heart rhythm problems," Klatsky said. "That's about as far as can go