Inhaling cat hair can cause allergic reactions, especially for people who are allergic to cat hair. Protein and dander in cat hair may cause allergic symptoms, such as sneezing, runny nose and itchy throat. Long-term inhalation of cat hair may also lead to inflammation of trachea and bronchus, causing respiratory infection.
As for eating cat hair, there is no direct harm to the human body under normal circumstances. Cat hair is mainly composed of keratin, which cannot be digested by the human body, so the cat hair eaten is usually excreted through the intestine. However, if you swallow a lot of cat hair, it may cause gastrointestinal discomfort, such as nausea, vomiting or diarrhea.
In order to avoid the adverse effects of inhaling cat hair on the body, the following measures can be taken: grooming cats regularly to reduce hair loss; Keep the indoor air clean and use an air purifier; Clean furniture, floors and bedding frequently to reduce the accumulation of cat hair; Try to avoid close contact with cats, especially those who are allergic to cat hair.