Serotonin is the body's natural `feel good' chemical. It promotes feelings of calm, wellbeing and satisfaction, and helps us to cope with stress. Studies have shown that starchy foods promote serotonin production, which explains why so many of us crave these foods when stressed, and why it is so difficult to stop eating them while dieting. What's more, scientists have found that higher levels of serotonin can actually reduce our appetite, our cravings and our tendency to overeat.

By including the right carbohydrates in the right quantities at the right times, The Good Mood Diet harnesses serotonin's power to control our appetite and make us feel good. It helps reduce food cravings and mood-related overeating, improves sleep and mood, and leads to permanent weight loss.

With The Good Mood Diet, readers can expect to lose up to 1kg of pure fat each week. The diet includes an easy-to-follow 12-week programme, over 75 delicious recipes and a troubleshooting section to help readers overcome any obstacles on the road to weight loss and a better mood.