饮食改变与美国成年人心理健康状况相关性研究

Background Weight loss provides numerous physical health benefits. However, prior research has mainly examined the mental health effects of weight loss strategies in the general population, rather than on individuals actively trying to lose weight. Aim We explored the link between dietary changes for weight loss and mental health, focusing on depression severity measured by the Patient Health Questionnaire-9 and the number of days mental health was not good. Methods We analyzed data from 3975 participants in the 2005–2006 U.S. National Health and Nutrition Examination Survey, using ordinary le