randomErr writes: Want to live longer, reduce your risk of cancer, heart disease? Then cycle to work, say scientists. The five-year study of 250,000 UK commuters also showed walking had some benefits over sitting on public transport or taking the car. Published in the British Medical Journal (BMJ) today, the University of Glasgow study compared those who had an ‘active’ commute with those who were mostly stationary on their journey to work. However, the effect was still there even after adjusting the statistics to remove the effects of other potential explanations like smoking, diet or how heavy people are.