Group 1 - The core viewpoint of the articles emphasizes the increasing prevalence of Alzheimer's disease among younger populations and the importance of early detection and prevention strategies [1][2]. - Alzheimer's disease symptoms include cognitive decline, impairment in daily living abilities, and non-cognitive neuropsychiatric symptoms, with early signs such as forgetfulness and personality changes warranting attention [1]. - Research indicates that 1 in 5 diagnosed Alzheimer's patients is under 60 years old, highlighting the need for awareness of risk factors such as poor lifestyle choices and chronic diseases [1]. Group 2 - The first level of prevention advocates for a healthy lifestyle among the general population, including smoking cessation, regular exercise, social engagement, balanced diet, and management of chronic conditions [1]. - The second level of prevention, known as "three early prevention," focuses on early detection, diagnosis, and treatment, recommending cognitive health screenings for individuals over 50 and timely medical consultations for suspected symptoms [2]. - The third level of prevention involves care for diagnosed patients to prevent disease progression, emphasizing the importance of daily care, safety measures, and rehabilitation [2].