The “global (world) food problem” in this study refers to the ability of humanity fully provide itself with vital good quality and accordance physiological norms (healthy diet) while maintaining ecological balance (preventing irreversible changes human environment). last condition - principle “sustainable development”, was proposed about fifty years ago underlies almost all modern concepts deve...

BACKGROUND Evidence on whether healthy diets are more expensive than current diets is mixed due to lack of robust methodology. The aim of this study was to develop a novel methodology to model the cost differential between healthy and current diets and apply it in New Zealand. METHODS Prices of common foods were collected from 15 supermarkets, 15 fruit/vegetable stores and from the Food Price...

OBJECTIVE Evaluative conditioning (EC), the pairing of objects (conditioned stimuli; CS) with positive and negative unconditioned stimuli (US) in order to induce attitude change, has proven to be a viable method of changing attitudes toward foods and corresponding eating behaviors. Positively conditioning healthy foods and negatively conditioning unhealthy foods should result in healthier food ...

OBJECTIVE Fiscal policies may form a solution in improving dietary intake. This study aimed to examine the effectiveness of varying taxing and subsiding schemes to stimulate healthier food purchases. METHODS A randomized controlled trial with three levels of price reduction on healthy foods (no; 25%; 50%)×three levels of price increase on unhealthy foods (5%; 10%; 25%) factorial design was us...

OBJECTIVE To conduct a systematic review and meta-analysis of prices of healthier versus less healthy foods/diet patterns while accounting for key sources of heterogeneity. DATA SOURCES MEDLINE (2000-2011), supplemented with expert consultations and hand reviews of reference lists and related citations. DESIGN Studies reviewed independently and in duplicate were included if reporting mean r...