The secret to a long and healthy life, by PROF ROB GALLOWAY. I've treated thousands, and this is what your body must be able to do for your age. If you can't it's time to change NOW ⊖⊖

No pain, no gain we are told. But that's absolute rubbish. And a dangerous mantra at that, putting the rest of us off exercising. Which is bad news for our health - and the health of the nation.