In Photos: The Truth About Exercise Michael Mosley pushes his body to the edge to find out The Truth About Exercise. of 6 Michael Mosley Dr Michael Mosley on an exercise bike. Pier Pressure Presenter Dr Michael Mosley cycling on an exercise bike on the sea front. Measuring Measuring Dr Michael Mosley's oxygen consumption during exercise. Eating Can exercise combat an unhealthy diet? Brain The effect of exercise on the brain. Walking Measuring Dr Michael Mosley's oxygen consumption while walking. Slideshow Pause Show Images Hide Images Tweet