气温“过山车”，容易对人造成哪些伤害？如何防护？北京疾控提醒

Group 1 - The Beijing Meteorological Bureau issued a yellow wind warning on November 23, indicating that temperatures will drop significantly due to strong cold air, with nighttime lows reaching -3°C and daytime highs falling to single digits on November 24 and 25 [1] - The Beijing CDC advises the public to take precautions against cold weather, especially for vulnerable populations who are at higher risk for respiratory diseases and cardiovascular issues during this period [1] Group 2 - Cold weather can increase the risk of cardiovascular diseases as cold stimuli cause blood vessels to constrict, raising blood pressure and heart strain, potentially leading to conditions like angina, myocardial infarction, and stroke [2] - Respiratory diseases are more prevalent in winter, with cold air and dust exacerbating conditions such as asthma and chronic bronchitis; patients are advised to wear masks and maintain indoor air circulation [2] - Cold temperatures can lead to joint issues, with reduced blood circulation causing pain and stiffness; individuals with previous injuries or arthritis should keep joints warm and engage in light exercises [2] Group 3 - During windy weather, it is recommended to wear masks and use public transportation instead of bicycles or electric vehicles to ensure safety [3] - Maintaining indoor air circulation is crucial, with recommendations to ventilate rooms at least 2-3 times a day for over 30 minutes to reduce the risk of respiratory disease transmission [3] - A balanced diet rich in protein and high-calorie foods is suggested to help the body resist cold, alongside adequate intake of fresh fruits and vegetables [3] Group 4 - Ensuring sufficient sleep and maintaining a regular schedule while avoiding late nights can enhance the immune system [4]