Do women need to exercise differently from men – and ease up on cardio after 40?

A lot of fitness advice is based on research into people who don’t have periods, give birth or go through menopause. How much of it should be modified – or even thrown out?I can’t remember when I first became aware of the phrase: “Women are not small men.” But once I’d heard it, I started hearing it everywhere. Fitness types on social media kept alluding to it. Friends would talk excitedly about the new strain of female-specific exercise research, which was smashing the template we had all held...