High levels of uric acid in midlife may significantly raise the risk for a serious type of irregular heartbeat in the decades that follow, even in people without traditional risk factors, new research shows. The study suggests that uric acid may play an important role in the development of atrial fibrillation, or AFib, an irregular heartbeat that can lead to blood clots, stroke, heart failure and other heart complications. "People with elevated uric acid levels may benefit from regular cardiovascular examinations to facilitate early diagnosis of new-onset AFib," said Mozhu Ding. Uric acid is a chemical produced when the body...