New Delhi, Jan. 13 -- Singer and actor Prashant Tamang's sudden death sent shockwaves across the country. The Indian Idol Season 3 winner passed away after suffering a cardiac arrest in Delhi.

Tamang was 43 and reportedly healthy. He is not the only personality to pass away due to cardiac arrest. Recently, Vedanta Group chairman Anil Agarwal's son, Agnivesh Agarwal, died due to a cardiac arrest at 49. So, what is a cardiac arrest, and why is it becoming common among people under 50?

Cardiac arrest, otherwise known as sudden cardiac arrest (SCA), is a condition wherein the heart suddenly stops its activity due to several contributing factors.

Talking to Livemint, eminent cardiologist Dr Nitish Naik stressed that cardiac arrest is potent...