Are the family holidays hard on your heart?

If you drink a lot. Stress can be detrimental to the heart, but it is pretty unlikely that a family holiday will lead to heart damage. There is a syndrome of "holiday heart" that usually refers to atrial fibrillation that is a result of binge drinking during holidays. Atrial fibrillation causes a fast, uncomfortable heart beat which is irregular. It is otherwise known as an irregular heart beat.