Dr. David Wenhan Wan M.D.

Constipation is a very common condition that can affect everyone at some point in their lives. However, women are more commonly affected than men and the frequency of constipation cases increases with age. Constipation may be a frequent problem for some people, which may require medical...

OverviewMany people with gallstones are not aware of their condition. Gallstones are hard substances that are formed in the gallbladder. They are mainly composed of cholesterol, bilirubin, and bile salts. The stones are of different sizes ranging from a sand particle to a golf ball.Symptoms of...

What is Pancreatic Cancer: Get the FactsHere are a few facts on pancreatic cancer.What is the pancreas?The pancreas is a gland. It has an extremely important role to play in your body's functioning. It is responsible for regulating your blood sugar levels. What is a cancer?Usually, your body...

Understanding what causes bloating is the best way to keep this condition at bay.The three most common causes of this condition are:...

Researchers from the Perelman School of Medicine at the University of Pennsylvania have made an astounding discovery. They have identified a bacterial enzyme that may be responsible for tampering with the gut flora and, as a result, triggering Crohn’s disease – a painful, inflammatory bowel...

A liver cancer risk factor is something that increases your chances of getting liver cancer. Different types of cancer have different risk factors. Some risk factors can be controlled such as smoking. On the other hand, age and family history cannot be changed, which means that some risk factors...