"I have often watched crowds pass on the streets and noticed most of the individuals shuffle along more dead than alive. Seventy-five per cent, of them are round- shouldered and fiat-chested; many are carrying twenty- five to fifty pounds extra weight around their waists and hips. Once in a while you will see someone in the passing throng with a springy step, deep, full chest and straight, broad shoulders. You can tell at once that he is a physical...