Overweight or obese people can cut their risk of trouble with a potentially fatal irregular heart beat if they lose a lot of weight, a new study has found.
Losing a bit more than 30 pounds, on average, caused people to have fewer and less severe bouts of heart palpitations related to atrial fibrillation.
The findings were presented Sunday at the American Heart Association annual meeting in Dallas, and published simultaneously in the Journal of the American Medical Association.
Atrial fibrillation is a disorder of the electrical impulses that coordinate the beating of the heart. Rapid and disorganized electrical signals cause the heart's two upper chambers -- the atria -- to contract in a fast and irregular way. The condition can increase a person's risk of stroke and contribute to heart problems.
The new study found that people on a strict weight-management plan experienced a five-fold decrease in the severity of their atrial fibrillation symptoms, compared with those who only received nutrition and fitness advice. http://www.nlm.nih.gov/medlineplus/news/fullstory_142608.html
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