The worldwide prevalence of obesity and overweight has risen
substantially over the past three decades with no country yet
achieving a reduction.1
International and national ambitions to
“end childhood obesity”2
and “reduce non-communicable
diseases by 25% by 2025”3
are unmatched by policiesthat could
realise them. The causes of obesity are complex but
overconsumption of food and sugary drinksis a critical proximal
determinant, driven in part by large portion sizes. The
importance of developing interventions and policies to reduce
the size, availability, and appeal of large portionsis underscored
by the compelling evidence that people eat and drink more from
larger portions