That's good that you want to be healthier shyla, but I just want to point out one small thing: Kids and teens, overweight or not, very, VERY rarely have a case of a heart attack; its usually in overweight adults. It's still a good idea to be healthier anyway, so you may be more active and everything, but I just wanted to point out a small detail incase you were worrying about it or anything. And good luck. ^_^