Heart risk of watching football

The title of my artcle is title
The news is from BBC News but in this article, football means soccer not American football. According to this article, study showed that cardiac emergencies(heart diease) usually occurre in the matches especially with a penalty shoot.
A cardiac nurse said that althought football matches might cause heart diease and more series like sleep deprivation, smoking, binge drinking, and poor diet.
My opinion is some people might think a country who is strong or not depends on how their athletes perform like how many golds they earn in the Olympics? or Who won the FIFA World Cup? So win or lose for them is absolutely important. That's why they are so nervous and intense when they watch the football games.