How do alcohol and caffeine affect A-fib?

Learn how caffeine and alcohol may affect the heart and if they are triggers for A-fib. Is it safe to consume alcohol and caffeine with A-fib?

What is caffeine? How does caffeine work?

Learn all about caffeine – the most commonly used drug in the world. Find out about how caffeine affects the body, how it works and if caffeine has any health benefits or risks.