Snacking on Chocolate May Lower Atrial-Fibrillation Risk

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Compared with individuals reporting chocolate intake less than once per month, the rate of AF was lower for people consuming chocolate regularly.
Compared with individuals reporting chocolate intake less than once per month, the rate of AF was lower for people consuming chocolate regularly.

(HealthDay News) — Regular chocolate consumption may lead to a lower risk of atrial fibrillation (AF), according to research published online in Heart.

The study tracked the health of 55,502 individuals for more than 13 years. Over this time period, 3346 cases of AF emerged.

The researchers found that, compared with people who ate a 1-ounce serving of chocolate less than once a month, the risk of AF was 10% lower among those who ate 1 to 3 servings a month (hazard ratio [HR], 0.90; 95% confidence interval [CI], 0.82 to 0.98), 17% lower among those who ate 1 serving a week (HR, 0.83; 95% CI, 0.74 to 0.92), and 20% lower among those who ate 2 to 6 servings of chocolate a week (HR, 0.80; 95% CI, 0.71 to 0.91). The team also found an association with reduced risk among adults who ate one or more 1-ounce servings of chocolate a day (HR, 0.84; 95% CI, 0.65 to 1.09; P-linear trend <.0001).

"In this large prospective cohort study we found that, compared with individuals reporting chocolate intake less than once per month, the rate of AF was lower for people consuming chocolate regularly, with similar results for men and women," the authors write. "Chocolate intake may be inversely associated with AF risk. Therefore, dark chocolate may be a healthy snack option that helps to prevent the development of AF."

Reference

  1. Mostofsky E, Berg Johansen M, Tjønneland A, et al. Chocolate intake and risk of clinically apparent atrial fibrillation: the Danish Diet, Cancer, and Health Study. Heart. 23 May 2017. doi: 10.1136/heartjnl-2016-310357

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