Dr. Steven Y Chang MD, PHD

The human respiratory tract starts at the nose and mouth and continues down to the lungs. The air that we breathe in through our nose and mouth passes down the trachea and into the lungs through a series of branched tubes called the bronchi. For a healthy breathing to happen effectively, these tubes...

Bronchitis is a common medical condition affecting people worldwide, regardless of their age and sex. However, bronchitis tends to affect young children and infants, as well as people who have chronic medical conditions, especially chronic conditions affecting the lungs and heart.Bronchitis is an...

What is allergic bronchitis?Bronchitis is an inflammation of the inner lining of the bronchial tubes usually due to a viral infection of the upper respiratory tract. Bronchitis itself can be acute when the signs and symptoms last no longer than 10 days, and chronic when the signs and symptoms tend...

Breathe in and breathe out. Isn't it one of the simplest things to do in life? But when you see your loved ones, especially your children, wheezing, it can really make you anxious and stressed. One of the most traumatizing diseases that can leave one struggling for something as basic as oxygen is...

Results from a recent study have shown that 15% of Adults with Cystic Fibrosis (CF) had definitive symptoms for Attention Deficit Hyperactivity Disorder (ADHD).While past research had shown a prevalence of anxiety and depression in adults with CF, the incidence of ADHD was described as...

One woman is making it her mission to spread kindness--among anger, hope among fear, and love among hate. Kelly Asbell is that woman.Spending too many years in fearWednesday, March 21, 2018, was Kelly Asbell’s 40th birthday, a date she never imagined seeing. At age ten, Kelly was diagnosed with...