VO2 max is a buzzy measure of heart health and fitness. I tried a class that promised to boost my VO2 max through cardio and breathwork. I don't typically do cardio, and I realized taking classes ...

A combination of cardio and strength training is crucial for heart health, muscle strength, and healthy aging.

Is soft cardio the missing piece of your workout routine? We spoke to a sports medicine physician and a pro trainer to find out.