Ah, the age old question about how to best blast away fat - with intense cardio workouts or strength-building resistance training. The answer? Active weight lifting! What exactly does that mean? Well, typically when you walk into a gym you'll see a few people sweating away on the treadmill for 30 or 45 minutes at a time, and then muscle-bound men strolling around aimlessly killing a little time between sets on the weight benches,