中新网北京2月6日电(记者 赵方园)近日，北京大学新闻与传播学院等机构发布的《中国大众体重管理及 营养认知调查报告》显示，91.7%的大众认可体重管理的重要性，但38.8%的群体存在认知偏差，且行 为转换障碍突出。 《报告》显示，营养认知方面则呈现出显著的"城乡知识鸿沟"和年龄差异——城镇居民明显高于农村居 民(但农村居民的代餐了解使用显著超越城镇居民)、40—44岁年龄段显著高于其他年龄段。这些发现精 准揭示了当前大众体重管理和营养认知的核心困境，为后续政策实施、行业发展和公众行动提供了重要 参考依据。 值得关注的是，人工智能(AI)已成为体重管理的新兴工具，超过半数(53.6%)受访者已开始使用。然而， 用户对其存在六大核心痛点，包括担忧错误建议、功能复杂、缺乏情感支持、成本过高、可能削弱自主 能力以及数据安全风险。 针对体重管理与临床健康的密切关联，北京协和医院临床营养科主任医师陈伟指出，超重肥胖引发的代 谢性疾病、心血管疾病等健康风险日益凸显，科学体重管理具有极强的必要性与紧迫性。他同时指 出，"减重5-15%能显著改善甚至缓解多种肥胖相关代谢性疾病。" 如何通过优化膳食结构实现健康体重？中国农业大学 ...

Group 1 - The report titled "China's Public Weight Management and Nutrition Cognition Survey Report" was released by Peking University, highlighting the current state of public awareness and practices regarding weight management in China [1] - 91.7% of the public recognizes the importance of weight management, but 38.8% exhibit cognitive biases and significant barriers to behavioral change [1] - There is a notable "urban-rural knowledge gap" and age differences in nutrition cognition, with urban residents showing higher awareness than rural residents, although rural residents have a better understanding of meal replacement products [1] Group 2 - Clinical risks associated with overweight and obesity, such as metabolic and cardiovascular diseases, underscore the urgent need for scientific weight management, as emphasized by a clinical nutrition expert [1] - A professor from China Agricultural University provided a systematic interpretation of the role of dietary structure in achieving healthy weight, offering a practical dietary plan for the public [2] - A roundtable discussion highlighted the need for a comprehensive support system to facilitate the transition from awareness to action in weight management, focusing on policy guidance, social promotion, and individual empowerment [2]