Dr. Weizheng William Wang M.D.

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,...

What is Anemia? Anemia is not a medical condition, but a symptom wherein there is a decreased number of red blood cells in the body. Anemia is said to be the most common blood disorder and is actually a side effect when other illnesses either disturb the body's ability to produce healthy red blood...

How celiac disease can affect the bodyThere have been numerous studies that were conducted to show the effects that celiac disease might or might not have in relation to the body. This particular one has looked into patients for a span of ten years, measuring how different conditions developed...

What is the stomach flu?The stomach flu, as the name indicates, is not related to the respiratory disease influenza. It is the common name for gastroenteritis, a condition characterized by irritation and inflammation of the gut. This disease spreads through contaminated food and water, and is caused...

When you have an Inflammatory Bowel Disease (or IBD) such as Crohn's Disease or Ulcerative Colitis (UC), life is already challenging enough. But when you have to work away from the home for long periods of time, the challenge is double. In addition to the possibly long commute to work (which is...

It is very hard to diagnose lupus. Since two individuals can have different signs of lupus, doctors have a hard time diagnosing it and treating it effectively. To diagnose lupus, it can take a long time, which can be distracting to both the doctor and the affected person. The symptoms of lupus can...