Q: how to prevent allergic diseases? A: 1. In the pollen season, pay attention to the protection of mouth, nose and eyes, and correctly wear masks and goggles;Open windows for ventilation according to the specific weather conditions to maintain indoor air circulation;According to their own allergic status, choose outdoor activities in time and do a good job in protection;1-2 weeks before the diagnosis of pollen allergy, the doctor can intervene in advance.Proper aerobic exercise, active physi...