psychological science

Fascinadora/Shutterstock   By Gabrielle Weidemann, Western Sydney University and Justin Mahlberg, Monash University   Many of us try to eat more fruits and vegetables and less ultra-processed food. But why is sticking to your goals so hard? High-fat, sugar-rich and salty foods are simply so enjoyable to eat. And it’s not just you – we’ve evolved that way. These foods activate the brain’s reward system because in the past they […]