Moderate Chocolate Intake Help Reduce Irregular Heart Beat

Over the years chocolate has gotten a bad rap but recently a new study has discovered that eating a small amount of chocolate every week or so may decrease your risk of developing a serious type of irregular heart rhythm.

AFib is a quivering or irregular heartbeat that can lead to blood clots, stroke, heart failure and other heart-related complications. In the United States, at least 2.7 million people have been diagnosed with it, according to the American Heart Association.

Based on their data, about 3,346 cases of AFib occurred in study participants over an average of 13.5 years. Those who ate one serving, which is about 1 ounce of chocolate per week, were 17 percent less likely to be diagnosed with atrial fibrillation by the end of the study than those who reported eating chocolate less than once a month.

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Those who ate 2 to 6 ounces per week were less likely to be diagnosed with AFib, while those who ate more than an ounce of chocolate per day were 16 percent less likely to have the condition. For women, the biggest risk reduction was linked to eating one serving of chocolate per week. For men, the biggest risk reduction was associated with eating two to six servings per week.

“I think our message here is that moderate chocolate intake as part of a healthy diet is an option,” lead author Elizabeth Mostofsky, of the Harvard T.H. Chan School of Public Health and the Beth Israel Deaconess Medical Center in Boston, said.

Mostofsky’s team said that while they cannot definitively conclude that chocolate prevents AFib, eating cocoa and cocoa-containing foods may help heart health because of they contain a high volume of flavanols, which are compounds believed to have anti-inflammatory, blood vessel-relaxing and anti-oxidant properties.

“As part of a healthy diet, moderate intake of chocolate is a healthy snack choice,” Mostofsky said.

Researchers cautioned that they were not able to measure for things like kidney disease or sleep apnea among participants, which could also influence risk of AFib. The data also suggested those who ate the most chocolate consumed more calories but had a lower body mass index.


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