If you know right diet information you can lose weight. I use the program here this site and I lost 14 pounds in 2 weeks. It is very easy to lose weight. You can get my diet program that lost me 19 pounds in 8 weeks here link below.
I really don t think there are any for 13 year olds. I could be wrong though. You can ask your mother to buy more reduced fat foods and try being more active. Even riding a bike more often may help. Theres an article on Lucille Roberts blog called Ten Changes You Can Make to Your Diet to Start Losing Weight that may help you. It discusses how simple things like drinking more water and not putting dressing on your salad can also help you loose weight.
