Healthy vs unhealthy food: the challenges of understanding food choices
11 March 2016We know a lot about food but little about the food choices that affect the nation鈥檚 health. Researchers have begun to devise experiments to find out why we choose a chocolate bar over an apple 鈥 and whether 鈥榮waps鈥 and 鈥榥udges鈥 are effective.