享受“冰雪热”，也要当心“温差刺客”

Group 1 - The peak season for ice and snow tourism has arrived, with attractions like Harbin Ice and Snow World experiencing a surge in visitors from southern regions, highlighting the significant temperature difference [1] - Medical professionals warn that winter is not only a high season for respiratory diseases but also a critical period for cardiovascular diseases [1] Group 2 - Sudden temperature changes can easily trigger acute medical conditions, emphasizing the need for awareness among tourists [2] - Maintaining a balanced diet is crucial during this season, as it can help mitigate health risks associated with extreme weather [4]