寒冬时节人易病？ 医生提醒或是 免疫力在“预警”

Core Viewpoint - The article emphasizes the importance of maintaining immune health during the winter months, as lower temperatures and dry conditions increase the prevalence of infectious diseases like influenza and respiratory syncytial virus. It highlights the need for scientific protective measures to reduce the risk of illness. Group 1: Immune Function Indicators - Clear signs of weakened immune function include experiencing more than two colds per month, prolonged illness lasting over ten days, or common colds developing into bronchitis or pneumonia [1] - Other indicators include persistent fatigue, slow healing of minor wounds exceeding two weeks, and recurrent diarrhea after consuming cold foods [1] Group 2: Factors Affecting Immunity - Various lifestyle factors can compromise immune health, such as excessive consumption of sugary, high-fat, and processed foods, which can lower immune cell activity [1] - Chronic sleep deprivation, particularly sleeping less than six hours per night, can decrease the activity of natural killer cells, while sedentary behavior increases the risk of respiratory infections compared to those who exercise regularly [1] - High levels of anxiety can elevate cortisol levels, which suppress lymphocyte function [1] Group 3: Recommendations for Immune Defense - To strengthen the immune system, it is recommended to prioritize fresh fruits and vegetables, high-quality proteins, and supplements of vitamins C, D, and zinc, with cooking methods focused on steaming and boiling [2] - Maintaining a sleep schedule that allows for 7 to 9 hours of deep sleep and going to bed before 11 PM is advised to keep immune cells active [2] - Engaging in moderate-intensity aerobic exercise for at least 30 minutes, two to three times a week, can enhance immune function, with a focus on staying warm post-exercise [2] - Daily ventilation of living spaces and proper mask-wearing in enclosed areas are recommended, especially for individuals over 65 and those with chronic illnesses, who may also benefit from vaccination [2] Group 4: When to Seek Medical Attention - Immediate medical attention is advised if symptoms such as persistent high fever lasting over three days, shortness of breath, severe cough with chest pain, or diarrhea exceeding five times a day with dehydration occur [2] - Maintaining immune health during winter is described as a "long-term battle," integrating balanced diet, regular sleep, and scientific protective measures into daily routines can help individuals navigate the winter season more easily [2]