Atrial fibrillation, or AFib, is the most common type of irregular heartbeat. About 2.7 million Americans have it. AFib happens when the electrical activity of the heart isn’t working the way it’s ...

Atrial fibrillation (Afib) is a type of cardiac arrhythmia, or abnormal heart rhythm, that is very common — and more prevalent than previously thought. A large study published in October 2024 in a ...

A new study finds that atrial fibrillation, also known as Afib, is present in about 12% of older adults, with higher numbers in those in the age range of 70 to 79. Modifiable risk factors such as ...

Atrial fibrillation (AFib) is an irregular heart rhythm caused by rapid, uneven electrical signals in the heart’s upper chambers. Panic attacks begin in the brain and can create intense physical ...

The thyroid gland may be small, but its impact on overall health is enormous. This butterfly-shaped gland in your neck regulates your body's metabolism, energy levels, and hormonal balance.