What happens during a heart attack?

Approximately seven million people around the world die from heart attacks every year. And cardiovascular disease, which causes heart attacks and other problems like strokes, is the world’s leading killer. So what causes a heart attack? Krishna Sudhir examines the leading causes and treatments of this deadly disease.

By changing our life style: more exercise, a healthy diet and , off course, regular massage  will help lower the risk of a heart attack.

Below clip will explain what happens during a heart attacks.

Lesson by Krishna Sudhir, animation by Chadwick Whitehead.