Group 1 - The article emphasizes the importance of transitioning children from "vacation mode" to "school mode" as the new school year approaches, highlighting the need for health precautions to prevent infectious diseases [1] - It identifies three main categories of infectious diseases to be wary of during the school season: respiratory diseases, intestinal diseases, and mosquito-borne diseases, particularly in southern regions [1][2] Group 2 - Five protective measures are recommended to prevent the aforementioned diseases: frequent handwashing, maintaining home hygiene, ensuring good lifestyle habits, timely vaccination, and monitoring children's health for symptoms [2] - The article stresses the significance of physical activity for youth, addressing health challenges such as myopia, obesity, and psychological issues, and suggests that sports can foster resilience and a positive mindset [3][4] Group 3 - Guidelines for youth sports participation include promoting diverse activities, gradual intensity increases, and balancing local and overall physical development, while emphasizing the importance of collective activities for social skills [4][6] - Key elements for children's physical activity are identified as "light, vision, and posture," advocating for outdoor time, proper eye care, and maintaining good body posture to prevent health risks [7] Group 4 - The article discusses the potential for children to experience depressive emotions as they transition back to school, with symptoms such as low mood and irritability, and differentiates between transient depressive emotions and clinical depression [8][9] - Recommendations for parents to help children manage these emotions include teaching emotional acceptance, preparing for school routines, and managing academic pressure through structured planning [10]

Group 1 - The article discusses the transition of children from vacation mode to school mode as the new school year approaches, highlighting expert suggestions for parents to facilitate this change [4] - It emphasizes the importance of preventing three types of infectious diseases during the school season, including respiratory, intestinal, and mosquito-borne diseases [5][6] - The article provides five protective measures to prevent these diseases, such as handwashing, maintaining home hygiene, ensuring good lifestyle habits, timely vaccination, and monitoring children's health [6][7] Group 2 - The article addresses health challenges faced by adolescents, including myopia, obesity, spinal curvature, and psychological issues, and emphasizes the role of sports in promoting both physical and mental health [8][9] - It outlines principles for youth sports participation, including diversity in sports, gradual intensity increase, and a balance between individual and team activities [9][10] - Key elements for children's physical activity are highlighted, such as ensuring adequate outdoor time, proper eye care, and maintaining good posture to prevent health risks [11] Group 3 - The article identifies signs of depressive emotions in children as they transition back to school, including mood changes and behavioral differences, and distinguishes between depressive emotions and clinical depression [12][14] - It suggests methods for parents to help children manage these emotions, including emotional expression, preparation for school routines, and stress management techniques [14]