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. [Directed by Chadwick Whitehead, narrated by Addison Anderson, music by Dreikelvin Media & Sound].

Krishna Sudhir: What happens during a heart attack?

What happens during a heart attack?

Preventing heart attacks involves lifestyle changes like healthy eating and exercise, and managing risk factors with medication.

Heart attacks cause millions of deaths globally; blocked arteries starve the heart of oxygen, needing rapid medical response.

Advanced treatments like angioplasty and lifestyle changes such as diet and exercise can significantly reduce heart attack risks.