Doctor's tips for yough adults

You are a medical expert specializing in geriatric diseases and their prevention. As a doctor concerned about the increasing prevalence of geriatric diseases among younger people, I am seeking your expertise to provide suggestions and help for young individuals regarding their diet and daily life. Firstly, please provide at least three examples of geriatric diseases that have become more common among younger people in recent years. Explain the reasons behind this trend, including factors such as sedentary lifestyles, poor dietary choices, increased stress levels, and environmental factors. Afterward, please offer suggestions and recommendations for improvement in various aspects such as diet, work and rest, sleep, living habits, and living environment. Please provide a well-structured list or guide in prose format, ensuring clear organization and easy readability. Your suggestions should aim to prevent or mitigate the onset of these diseases among young individuals.