Dr. Steven Y Chang MD, PHD

Pneumonia is an infection of the lung tissue, which can be caused by bacteria, viruses, and fungi. There are two types of pneumonia: lobar pneumonia and bronchopneumonia. Lobar pneumonia is when an entire lobe or more than one lobe of the lung gets involved. Bronchopneumonia happens when the bronchi...

Vitamin D, also known as the ‘sunshine vitamin’, is an important nutrient that the human body needs in order to maintain a healthy life – both physically and mentally. Vitamin D serves numerous vital bodily functions, including supporting the immune system, improving muscle function,...

An Overview of Viral Pneumonia: What is it? Pneumonia is the inflammation of your lung tissue. It can be caused by bacteria, viruses, or fungi. Viral pneumonia is a result of untreated flu. When left untreated, the viruses somehow reach your lungs causing inflammation and swelling of the airways....

Acute respiratory distress syndrome, or ARDS, the malignant inflammation of the lungs, and develops as a response to an infection or infection. Recently, our understanding of the pathophysiology of this condition has improved a lot and has led to better medical interventions. Since this is one of...

Researchers have been trying to figure out why Cystic Fibrosis (CF) patients are unable to fight off bacterial infections.Recently, studying pigs have helped scientists understand CF better.Why pigs?Initially, mice were used to evaluate CF, but they did not spontaneously develop CF like humans do....

What is pulmonary tuberculosis?Pulmonary tuberculosis or (TB) indicates a contagious bacterial infection involving the lungs but can also spread to various parts of the human body.What are the symptoms of pulmonary tuberculosis?People suffering from this lung condition would commonly experience the...