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A new study suggests that drinking coffee in moderation, whether it has caffeine or not, may be good for the heart and lead to a longer life.
coffee was linked to a decreased incidence of abnormal heart rhythms, but not decaf.
Some sensitive individuals might get uneasy, tremulous, or feel their heart rate elevate with coffee, Kistler wrote in an email. Observational studies reveal coffee's cardiac benefits.
These observational studies can't show coffee's health benefits since coffee consumers may have other healthy habits.
Caffeinated coffee improves irregular heartbeats. Caffeine "may inhibit adenosine receptors."
Kistler and his colleagues looked at data from the UK Biobank research, which recruited individuals 40 to 69 for regular physical checkups and lifestyle information.
A new study suggests that drinking coffee in moderation, whether it has caffeine or not, may be good for the heart and lead to a longer life.