Is Tech Making Cardiovascular health Better or Worse?
https://list-wiki.win/index.php?title=What_Will_Cardiovascular_health_Be_Like_in_100_Years%3F
These periodic changes can be caused by solid emotions or exercise. They usually are not a peril. There are many kinds of arrhythmia: * atrial fibrillation (rapid, uneven beats of the top chambers of the heart)