Although there is considerable evidence for the portion-size effect and its potential impact on
health, much of this has not been successfully applied to help consumers reduce portion …

Context Portion size norm is described as the perception of how much of a given food
people choose to eat. Reducing the portion size norm of foods that are high in saturated fat …

Planetary boundaries are an important sustainability concept, defining absolute limits for
resource use and emissions that need to be respected to avoid major and potentially …

Qualitative food frequency questionnaires (Q-FFQ) omit portion size information from dietary
assessment. This restricts researchers to consumption frequency data, limiting investigations …

Pesticides are widely used in food production, yet the potential harm associated with their
emission into the environment is rarely considered in the context of sustainable diets. In this …

Obesity is a growing global health problem and is well-recognized to be a major contributing
factor for increased risk of several non-communicable diseases including cardiovascular …

Background Perceived portion size norms (typical perception of how much of a given food
individuals choose to eat at a single occasion) may have shifted towards larger sizes due to …

The single-serve packaging of discretionary foods is becoming increasingly popular, but
evidence is limited on whether smaller package sizes can reduce food intake. The aim of …

Background Variety has been used as a strategy for increasing intakes of healthy foods, but
has not been well explored with respect to discretionary food/beverages. The diverse …

Maintaining a healthy weight is a concern for a large proportion of adults in the UK, with
obesity rates having almost doubled between 1993 and 2011. With overweight and obesity …