Effective components for nutrition interventions: a review and application of the literature.

A review of the nutrition intervention literature was conducted for Cancer Care Ontario (CCO) to develop a provincial nutrition and healthy body weight strategy. Controlled trials that were conducted between 1994 and 2000 in North America, Europe, Australia, and New Zealand were included. Fifteen interventions were included, 10 of which showed significant intervention effect and 5 reporting negative effect.