I. Overview Acough is a sudden occurring; it aims at clearing the large breathing passages from irritants, foreign particles, and microbes. However, a frequent cough can be a signal of a serious disease. Almost cough is caused by a respiratory tract infection, choking, smoking, air pollution, lung tumors or even heart failure. Therefore, its prevention and treatment should start from treating these above ones. Let have a look at our article on Effective Remedies to know how to prevent cough
Chúc tất cả các bạn thi IELTS ngày 22/8/2020 tại Tiền Giang đạt được kết quả như mong muốn nhé. Nỗ lực hết mình thì mọi việc đều thành công.