Losing weight and successfully maintaining it over the long term less about what you put in your stomach; it’s more about what’s happening in the brain. In Brain-Powered Weight Loss, psychotherapist and weight management expert Eliza Kingsford shows that more than 90 percent of people who go on diet programs (even healthy ones) fail or eventually regain because they have a dysfunctional relationship with food. Changing this relationship by changing the way you think about and behave around food is what it takes to permanently achieve weight-loss success.