cardio

My usual routine is to go to the gym, work a certain area of muscles, and do 30 minutes on the elliptical (500 cal burn). My question was whether or not I should do the cardio exercise before or after the lifting. On another note, I've noticed some difficulty breathing after lifting...

Hi everyone, This is my first post and I'm really seeking any advice you experts can give me. Im 26, male, 189 lbs, 6'2". I've been training for 8 years now and for the past couple years I've been trying to loose body fat while keeping muscle mass but I always end up going on these low calories...