A newly published study shows obesity is a major risk factor for left atrial enlargement (LAE), a condition in which the left upper chamber of the heart is oversized. That's important to people who are concerned about atrial fibrillation (AF) because LAE is a risk factor for afib, stroke and death.
Read more: Obesity Raises Risk of Left Atrial Enlargement, a Risk Factor for Atrial Fibrillation