Why is obesity linked to irregular heart rhythms? Researchers found 1 potential mechanism

Atrial fibrillation, or A-fib, is an irregular heart rhythm that increases a person’s risk of stroke, heart failure and even premature death. While many risk factors contribute to A-fib, one stands out for its growing prevalence worldwide: obesity. I am a cardiology researcher, and my team and I uncovered key mechanisms contributing to the harmful effects of obesity on heart function. Targeting these processes may offer new avenues for…