A heart rate faster than 100 BPM can be due to smoking, exercise, or serious cardiac conditions. What is a dangerous heart rate? Your heart rate refers to the number of times that your heart beats ...

The impotence drug Viagra could lead to blood clots and may be dangerous in those already at risk of a heart attack and stroke, it has emerged. A study suggests that Viagra can encourage blood ...

A new study finds that just three nights of sleep deprivation can increase the risk of heart disease, even in young and healthy adults. Heart disease is the leading cause of death in the US ...

It may cause an arrhythmia – where the heart beats too fast or too slow – in turn raising the risk of heart failure or cardiac arrest. Research involving the University of Bristol found that ...

People with a certain heart valve abnormality are at increased risk of severe heart rhythm disorders, even after successful valve surgery. This is according to a new study from Karolinska ...