Dear Mark: Exercise-Induced Asthma, CBD for Diabetes, Warm-ups In the Morning

For today’s edition of Dear Mark, I’m answering three questions from readers. First, what’s the deal with exercise-induced asthma? Is there anything we can do to lessen its impact and incidence? Second, is CBD oil helpful for diabetics? And finally, do bodyweight exercises always require warm-ups? What about workouts in general—do you need to warm-up …