Gamified dieting app under scrutiny as wearables become mainstream; MyFitnessPal tracks meals and activity to motivate change.
Nutrition-tracking apps like MyFitnessPal and Noom use badges, streaks and rewards to boost engagement. While they can help with meal planning and activity reminders, researchers warn these features may reinforce body dysmorphia and disordered eating for some users, prompting calls for caution and better design.