Put them into a sport/active activity that they ENJOY, they will have fun, so they will continue to do that activity and eventually begin to loose weight and become happy and proud of themselves, and then they will increase the amount of time/effort they put into the sport and loose even more. Also be sure to feed them the correct amount of protein, calcium, and vegetables to keep them from gaining it back as soon as they loose it.
Be Active! No pills or unhealthy dieting can ever replace the necessity of exercise. I know this from personal experience.
You can go to LossUp, Australia's largest teenager's weight loss organisation. If you live in America, go to AfternoonExercise, an organization for 10 year olds to 30 year olds weight loss. Good luck!
I would use weight watchers. It's completely safe.
An illness would be the only way for a kid to lose that much weight.
The normal weight for a five year old is about 18-19kg.
The average 13 year old's weight is about 105-135 lbs.
110-150
Yes, anybody can. The question is if it's healthy for that 11 year old to lose weight.
40-50 lbs.
exercise.
It depends on how strong you are. It is best to keep it at about 20kg for 10 year olds, 60kg for 16+ year olds.
A fifteen year old should not try and lose weight unless directed by a doctor. You should wait until you are your maximum height before deciding that you need to lose weight.