Olympian Jenny Simpson Says Her Running Career Is Over After Cardiac Arrest

Endurance athlete induced heart issues. Wikipedia says cyclists are diagnosed with it.

https://en.wikipedia.org/wiki/Arrhythmogenic_cardiomyopathy

The article says it was inherited. The first line in the wikipedia article you linked also says it was inherited.

thanks, missed that in the original as I was reading though the posted wiki.

“ARVC can also develop in intense endurance athletes in the absence of desmosomal abnormalities. Exercise-induced ARVC is possibly a result of excessive right ventricular wall stress during high intensity exercise.”

Doesn’t seem very relevant to HN

https://en.wikipedia.org/wiki/Jenny_Simpson