Group 1 - The article emphasizes the importance of health preservation and disease prevention during the hot summer season, highlighting various expert recommendations for public health [1][10] - Experts from the National Health Commission provided insights on topics such as sun exposure, liver health, heat prevention, and mosquito bites, offering practical health tips for the public [1][10] Group 2 - Sun exposure, referred to as "伏天晒背," is recommended for individuals with a cold constitution, but precautions are necessary for those with certain health conditions [2] - Liver health can be maintained through symptom-based traditional Chinese medicine recommendations, and lifestyle changes are crucial for liver protection [3] - Outdoor workers are advised to take proactive measures against heatstroke, including wearing protective clothing, taking breaks, and staying hydrated [7] - The article warns about the recent outbreaks of Chikungunya fever and provides preventive measures against mosquito bites [8] - It also addresses drowning prevention for children and teenagers during summer activities, emphasizing safety measures and parental supervision [9]