Editor's Summary
20 January 2005
Sport not for all
Is exercise is good for you? It seems not everyone is capable of gaining the same benefits from sport — or even much benefit at all. We've learned how little we know about exercise. Now attention is focused on establishing what forms of exercise will keep an ageing population fit.
News Feature: All pain, no gain?
Exercise is good for you, or so we always thought. But, as Alison Abbott learns, your genes don't always cooperate.
doi:10.1038/433188a