Why do people have pollen allergies？
Pollen is a male micro gametophyte of a seed plant in which pollen is used to transfer haploid male genetic material from the anther of one flower to the stigma of another flower in cross-pollination.
People have an immune system that protects the body from harmful invaders (such as viruses and bacteria) and thus protects against disease. But for people who are allergic to pollen, the immune system mistakenly identifies harmless pollen as a dangerous intruder. It began to produce chemicals to fight pollen.
What are the general symptoms of allergy?
Symptoms of allergies include coughing, sneezing, itchy eyes, runny nose and hoarse throat. In severe cases, it can cause rashes, urticaria, low blood pressure, difficulty breathing, asthma attacks and even death.Allergies cannot be cured and can only be prevented.
How should people prevent allergies?
If you know the source of allergies is the key to controlling allergies is to understand the type of allergies, avoid allergens while taking prescription drugs.
If you don't know what allergens are, write a diary to track your food and figure out why you are allergic. If you have severe allergies, please call the ambulance immediately.
