triathlete heart condition

Triathlon training is good for the heart - until it’s not. Scientists explain how too much endurance training can permanently alter the structure and function of heart, leading to potentially dangerous health issues.

A new study finds that triathlons and other endurance sports could cause damage to the heart.

New Zealand's Samantha Warriner is planning on competing at Ironman New Zealand on March 5, only a few months after her December heart surgery.