任务分配：设计一张公共健康海报，解释饮食不健康的影响。

Discover the crucial impact of diet on health, from overeating leading to obesity and chronic diseases like type 2 diabetes and heart disease, to undernourishment causing growth issues and infections. Learn how vitamin and mineral deficiencies contribute to specific health conditions, and explore ways to promote balanced eating habits to prevent these health risks. This video encourages creating impactful public health messages to motivate healthier lifestyle choices.