The Importance of Exercise to the Immune System

Exercise can do benefit or harm depending on how much metabolic, physiological and psychological stress you place on yourself. There is evidence that the fitter you are when you're older, the better your immune system is. But i think it's about getting out there and challenging the system a little bit, but not too much. And for some extra insight, we spoke to professor tracy hussell, an eminologist earlier in the programme,. We thought we get hertache on what exercise does to the immune system.