I've lost about 150 lbs over the last couple years doing mostly cardio with a little bit of weight lifting. I still have fat around my midsection but I'm reaching the point where I'm comfortable with my weight, so I want to increase my weight lifting to tone up and try to burn the remaining fat. I need some advice on what sort of routine will work best to burn fat, as in how often should I do cardio and lifting, and how much of each? I've heard that doing cardio can cancel the effects of lifting, but I'm afraid that if I cut back on it, I will gain more weight, which I can't afford to do. I'm not going for a body building physique, just lean muscle. Any help would be appreciated!