Asthma and combating of!

By |November 16th, 2016|None|0 Comments

World Health Organization (WHO) says that asthma is a chronic disease of the bronchi (the ways through which the air is inspired and expired) , whose severity and frequency varies from one person to another, which is manifested by recurrent attacks of dyspnea (difficulty breathing during expiration) and wheezing (breathing hiss, noisy breathe) .