Are drugs the way to encourage people to loose weight? A pill said to help dieters lose extra pounds is to go on sale in the UK from tomorrow. It's the first time such a drug has been on sale in the UK, but health experts say it has nasty side-effects and offers a quick fix when exercise and good food is the long term answer. If you've lost weight and been successful: how did you do it? And if you've used this pill on prescription, how did you get on? Graham Stewart takes your calls, texts and emails.