Britain's top athletes are on their marks for the 2004 Olympics, which begin on Friday. But how will training at an elite level affect them long-term? Diane Taylor asks four past medal-winners about their health now.
Ellie Levenson: Despite, or perhaps because of, his recent health scares, Tony Blair sticks to a strict fitness regime. According to recent newspaper reports, this involves eating plenty of fruit, regular exercise and avoiding alcohol.