At this point im up to about 30 minutes of cardio working up a sweat. Although the calorie burn status on the cardio machine isn't accurate I use it to get a rough general idea. On this day I did some "serious work" burned 250 calories. I'm thinking to myself man 30 mins of cardio 250 calories that's got to be close to a pound of fat burned... WRONG! I searched how many calories burned are needed to burn a lb of fat. The answer 3,500 or 7 hours of cardio. I needed to increase my cardio but was physically limited and needed to find another answer to get under my goal of 300lbs. Previously I'd been given the option for bypass surgery given that I quit drinking soda for life. I couldn't give up soda but I can cut down. Instead of 2-3 sodas for dinner ( even more when I ate out) I drank 1 soda. With soda containing roughly 150 calories cutting out 1-2 sodas was equal to doing 15-30 mins of cardio. Now I'm thinking if I can give up soda completely fo...