What...? The other day, my hubby came across an article which identifies yoga to be the worst kind of exercise, based on a scientific study conducted by the Mayo Clinic in the USA. This study ranks different forms of exercise by the number of calories burnt within an hour. But is this really a suitable measurement for good or bad exercise? The question is, when choosing to practise a particular form of exercise, what do I want to achieve? Is the primary goal of yoga burning a