a lot of evidence that you can reduce your risk of developing any one of many different forms of cancer simply by getting fitter. Boosting your immune response to the level of someone half your age. People in their 60s have been shown to boost their immune response to the levels of mere 30 year olds just by improving their fitness. Losing weight naturally without having to 'go on a diet'. As we all know, diets are difficult to stick to, and the weight goes straight back on when we stop dieting. You keep thinking that there must be a better way - and there is! Sleeping better as exercise helps to reduce stress. It's been proven that getting fit helps reduce stress in your body, and so helps you to sleep. Feel great as your body feels more toned and relaxed. As you get fitter, your body feels better, you feel better about it, and you generate this feeling of wellbeing which you won't believe until you've tried it. And many more benefits too numerous to mention. There really are so many benefits, and scientists are finding new ones every day. What's more, I've never read a scientific paper which has suggested any negative side to getting fit. Not one. Bearing in mind how many papers are out there in different journals, it's amazing that I've never seen one which has evidence giving a negative side. How many other topics in the universe can you find that have no