I got a question for people here that do a lot of cardio. I've noticed over the past week or so that I'm not really sweating much/at all whenever I'm doing cardio. For example, I was doing some interval training today and my heart rate was going up to as much as 160 and when I was done I barely broke a sweat. I am currently doing the liposhred stack so I'm not sure if that's what is affecting it or what.