Dr. William Kwok kuen Wan M.D.

Asthma generates a bunch of questions with ill-defined answers leaving sufferers with an incurable disease and a lifelong handicap. Asthma broadly affects us in three ways. It could develop as an allergic response to our surroundings. It may come about when we are exposed to toxins in our workplace....

Physical exertion continued for a long duration may trigger respiratory difficulties, which are referred to as exercise-induced asthma or exercise-induced bronchospasm. In most cases, the symptoms of this condition are experienced during exercise. The symptoms can even appear in people who do not...

Living with dengue fever is a serious condition affecting millions of people around the world, especially when there is no cure in sight for this mosquito-transmitted viral disease. Without a vaccine to tackle the dengue infection, prevention assumes priority. Even those who have fully recovered...

Erectile dysfunction (ED) affects the ability of a man to have an erection and maintain it long enough to have a satisfying sexual experience. There are certain times when a man may not fully rise to the occasion during sexual intercourse, and this can be due to other factors aside from...

Our body is a machine and any wear and tear occurring in any of the parts of the body can impair overall body functioning. One of the common types of pain felt by a number of people is pain associated with the knees. There are various forms and causes that could be related to knee pains, one of them...

Our eyes are our windows to the world, and we each get only a single pair in our lifetime. Life without our sense of sight can spell great difficulty. Imagine being born and living with good vision for decades, only to have it impaired by some disease we could have prevented or gotten treatment for....