There is a difference between a leisurely walk and a brisk run, however. To engage our longevity genes fully, intensity does matter. Mayo Clinic researchers studying the effects of different types of exercise on different age groups found that although many forms of exercise have positive health effects, it’s high-intensity interval training (HIIT)—the sort that significantly raises your heart and respiration rates—that engages the greatest number of health-promoting genes, and more of them in older exercisers.
HITT for longevity, LITt fo ft burn
