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Background

Most people who stop smoking gain weight. This can discourage some people from making a quit attempt and risks offsetting some, but not all, of the health advantages of quitting. Interventions to prevent weight gain could improve health outcomes, but there is a concern that they may undermine quitting.

Objectives

To systematically review the effects of:(1) interventions targeting post‐cessation weight gain on weight change and smoking cessation (referred to as' Part 1') and (2) interventions designed to aid smoking cessation that plausibly affect post‐cessation weight gain (referred to as' Part 2').