New study out from the UK shows overweight people have a problem with a hormone called PYY which goes from the intestines to the brain to turn off hunger.<br /><br />People in the UK study were given injections of PYY and simply ate 30%+ less each day.<br /><br />Treatements due out in near future once side effects are contolled.<br /><br />Medical Experts on both sides of the Pond are exicted.