If you are worried about your weight, what you eat or the amount of exercise you do, there are loads of people you can talk to.
You can get help by talking to friends and family or a trained helper or counsellor
You can find counsellors by calling ChildLine for free on 0800 1111.
If you are concerned about what you eat, you can call the Eating Disorder Association youth line on 0845 634 7650 or follow the links to the right.
If you're being bullied about your weight you can contact Kidscape by going through the link also on the right.
People who feel suicidal, troubled or in despair can call the Samaritans 24 hours a day on 03457 909090 or look in a local directory.
Look on the web
There's also loads of information on the web to help you.
If you want some top tips on eating healthily and watching your weight, visit Lifebytes using the link on the right.
For loads of information on eating the right type of foods and the right amount, visit the British Nutrition Foundation by clicking on the right hand link. There's loads of stuff there for a school project.
Body Matters has some simple steps to boost the amount of exercise you do, recipes for healthy meals and bad habits to avoid.
For the low down on food and fitness for children, click on It's Up to You.