Dr. William Kwok kuen Wan M.D.

Head lice aresmallparasites that are found in the heads of human beings.They cling to human hairand feed off the blood from the scalp. They can be usually seen near the nape of the neckand behind the ears. Pediculosis capitis, which is the head louse that causes the head lice infection is not the...

Candida is a type of fungus which lives on the skin and an overgrowth of this fungus can cause an infection. This fungus can be present on different parts of the body. In a normal situation, the fungus is present in small quantity and does not cause any harm, but when it starts to grow, it causes an...

Lyme disease is a nasty infection that anyone can catch by being bitten by a tick. These ticks are most active during the summer and spring. Not all ticks carry the disease; only the ones infected with the bacterium Borelia burgdoferi will give you Lyme disease. Borrelia burgdorferi will be injected...

Widespread use of the varicella vaccine has helped to reduce the number of deaths due to chickenpox, as per the report given by the CDC in, Pediatrics. Since 1995, when the chickenpox immunization began, deaths due to chicken pox has dropped by an impressive 88% overall. The percentage drop in the...

Restless legs syndrome is not chronic. RLS is a neurological movement disorder of the limbs. It is usually associated with sleep disruptions. Patients with RLS will usually report strange sensations, such as an urge to move their leg. This can become very bothersome, which can lead to physical as...

What is a natural laxative?A laxative can be in the form of a food, drink, oil, and compound. It may not necessarily be medication only. A laxative induces bowel movement and loosens the stool. If the source is natural, then it is considered as a natural laxative.In constipation, the bowel movement...