Portions drift upward through imperceptible changes—serving dish creep, plate size inflation, normalization to others’ portions. Use smaller dishes: research shows people eat less from smaller plates without feeling deprived because the Delboeuf illusion makes the same food look like more. This environmental fix can reduce consumption by 20-30% without ongoing effort.
This companion explores how portions creep, the visual perception research, environmental fixes beyond plate size, and why environment beats willpower. (4 min read)