冰雪旅游旺季，莫让“温差”成健康“杀手”

Core Viewpoint - The article highlights the health risks associated with sudden temperature changes during the winter tourism season in Harbin, emphasizing the importance of precautions for both locals and visitors to prevent cardiovascular and respiratory issues. Group 1: Health Risks - The drastic temperature difference, which can reach up to 50 degrees Celsius from southern to northern regions, significantly impacts blood vessel contraction and dilation, increasing the risk of heart attacks and strokes [2] - Winter is a peak season for respiratory diseases and cardiovascular issues, with specific recommendations for protective clothing to mitigate cold exposure [2][4] Group 2: Dietary Considerations - Traditional winter foods in Northeast China, such as hot pot, pose risks for individuals with high blood lipid levels, as a single high-fat meal can affect blood viscosity for 2 to 3 weeks [4] - The consumption of nuts during winter, which are high in fats, can further increase the risk of thrombosis in cold conditions [4] Group 3: Exercise Recommendations - Outdoor exercise should be avoided during the coldest times of the day; instead, activities should be scheduled between 10 AM and 2 PM when temperatures are milder [6] - "Fragmented exercise" or "exercise snacks" is recommended for those unable to engage in outdoor activities, promoting short bursts of movement throughout the day to prevent venous thrombosis [6] Group 4: Monitoring Health - Many individuals may not exhibit symptoms of hypertension, leading to sudden health crises when exposed to cold temperatures; regular monitoring of blood pressure is advised [7] - Visitors to Harbin are encouraged to seek warmth immediately if feeling unwell and to allow their bodies to acclimate when transitioning from cold to warm environments [7]