Originally Posted by globetrotter
another suggestion - the more musce mass you have, the more calories you will burn during your standard day. and, coincidently, you are at the best age in life to pack muscle mass. if you do 30 minutes of circuit weight lifting a day, with 3 or 4 excersizes each day (for instance, bench press, squat, lat pull down, military press on monday wed and friday and 3 or 4 core excersizes - good morning, chop, romanian deadlift and crunches on tue and thursday) you would be able to get pretty good results quickly. if you do the excerzises quickly, you can keep your heart moving.
lifting weights is the best way too lose it. cardio only burns calories during and after excersize. building more muscle burns calories constantly. and im not talking about getting huge just building up what you already have.