Have you ever experienced that awesome rush of excitement after going to the gym, swimming a few laps of the pool or going for a long walk? Generally speaking, you just FEEL BETTER after you exercise. And why not burn a few calories whilst sorting out your problems all at the same time, now that's multi-tasking! Scientifically speaking, it is the work of those little wonders called endorphins which are hormones rushing around within your brain and nervous system. Kate Hays, P