If it comes up I'll tell 'em more than they want to know I've done my research so I have an answer for just about anything negative they have to say; but the clincher is this "Well, the head of the Heat Institute's Weight Loss Clinic put my mother on this diet last year and has been blow away by her lipid profile and my GP thinks it's doing me a world of good, so I'll defer to their judegment" Usually shuts 'em up

Nat