Feeling frustrated Reviewed: Unsmooth Breathing

In Hong Kong, one in ten children has asthma, and the number one killer of adults is lung cancer. The problem of "unsmooth breathing" is serious! A respiratory medicine doctor with 20 years of experience shares the best treatment plans for common pulmonary diseases through clinical cases. This book has been recommended by many celebrities in the medical field! It's a must-read for health-conscious readers!