Dr. Marlyn S Woo MD

Croup is a childhood illness that can cause distress to children, especially at night. It is characterized by stridor and a barking cough. This viral condition results in laryngeal and tracheal swelling.Although most cases of croup are successfully managed at home, there are still cases where...

Croup, a viral infection in children, is a condition that causes swelling of the vocal cords. The cause of croup is also the same virus that causes a normal cold. Croup can happen any time, but is very common during the winter. ...

A new study has shown that infants who are 3-months-old and have vitamin D levels lower than 25 nanomoles per liter (nmol/L) are two times more likely to have respiratory infections, when compared to children who have levels above 75 nmol/L. In this study, published in the journal Pediatrics,...

Some of the popular antidepressants used during pregnancy may raise the risk of a rare but serious lung condition in newborns, according to a new report. In this study, researchers analyzed the data of almost 1.6 million births in five Nordic countries available at the national registry. The...

The Nature of Cancerous CellsEvery cell in the human body is programmed to carry out a specific role. For example, a red blood cell carries oxygen to tissues, a white blood cell wards off infection, and an intestinal cell absorbs nutrients in the digestive tract. All these cells are programmed to...

Croup is a common respiratory problem prevailing in young children that tends to develop in the fall or winter. It describes a deep and barking cough that is caused by an upper respiratory infection that blocks a child's ability to breathe. Its characteristic symptom is harsh coughing...