Lots of weight-loss plans range from ineffective to insane, so clinical psychologist Lesley Lutes at the Okanagan campus of the University of British Columbia advises the QQF model, short for quantity, quality and frequency. Instead of rigid rules — such as no dairy, no sugar, nothing after 7 p.m. — she suggests a smarter approach that looks at how much you eat (quantity), what type of food it is and how it’s prepared (quality), and how often you eat (frequency).
