Comment by jonathaneunice

I do several styles of yoga. Most provide substantial strength training via moving and suspending body weight. All feel like they have exactly the increased heart rate of aerobic exercise. Flowing e.g. from standing to high plank to low plank to cobra to downward dog and back to standing N times in a row is quite the workout. Maybe there are gentle, stretching-only forms that would not, but I haven't found them. Slower and more careful, yes, but from an effort point of view, really not much different from the burpees or calisthenics I used to do in Crossfit.

If the proposition is "exercise is a miracle drug," my experience at least is that yoga 100% qualifies.