As summer approaches, workers hoping to get fit in time for beach holidays may come up against a major obstacle: their jobs. A new survey from CareerBuilder.co.uk shows that the workplace can wreak havoc on your waistline. According to the survey, more than 2 in 5 workers (41 per cent) admit they have gained weight at their current jobs, with 18 per cent confessing they have gained more than 10 pounds. Only 13 per cent of all workers claim they’ve lost weight since working in their current position