Cardio overload

This may sound like something invoked by couch potatoes, but research has shown that too much cardio can actually do you more harm than good.

FIRST things first – I am a cardio(vascular) freak and you’ll probably find me beating away at a cross-trainer or in spinning class whenever I’m at the gym. I could go on for hours, so much so that guys have actually come up to me asking why I push myself so hard.