Add Yahoo as a preferred source to see more of our stories on Google. When it comes to heart health, many conditions are tricky to diagnose because their symptoms can be similar to others, and atrial ...

Sometimes there are no symptoms of AFib. That's unfortunate, because over the long term, arrhythmia is hard on the heart it can weaken the heart muscle or lead to the development of heart failure, Dr.

If you have a racing or irregular heartbeat, also known as an arrhythmia, one likely suspect is atrial fibrillation (AFib). “Of all the possible heart rhythm disorders, atrial fibrillation is by far ...

3D illustration showing brain and active vagus nerve (tenth cranial nerve or CN X) Source: Axel_Kock/Shutterstock Stimulating the vagus nerve activates the parasympathetic branch of the autonomic ...