Dr. William Lee Hasler MD

Recently a morning radio show in St. Louis broadcasted a segment called “Dirty Little Secrets.” A listener who worked at a bakery revealed she lied to customers by telling them there was no gluten in the baked goods they sold when gluten was actually an ingredient in their products. ...

When it comes to celiac disease, there is a lot that is known and a whole lot more that still remains a mystery.  At a recent symposium called Beyond Celiac Research, experts came together to discuss what can be done to improve and increase research around celiac disease and possible treatment...

Gastroesophageal reflux disease is a chronic digestive problem that affects the lower esophageal sphincter, resulting in the reflux of acid into the esophagus causing heartburn. It is also known as reflux esophagitis.Between the stomach and the esophagus is a ring of muscles that act as a sphincter,...

For most people, coffee is their morning miracle and those who drink it first thing in the morning cannot even imagine getting up without it to start their day. For anyone suffering from an inflammatory bowel disease, the side effects from drinking coffee are the farthest thing from a miracle....

Gastroenteritis, commonly known as "gastro", is a type of infection/inflammation that affects the human digestive system.A number of germs can cause gastroenteritis. They include: Viruses, especially those relating to norovirus, rotavirus, and hepatitis A. Bacteria such as the Salmonella,...

What does dysentery mean?It has happened to all of us - short stabbing pains in the stomach followed by a dash to the closest toilet. Diarrhea is easy to get because there are many factors that can upset our bowel movement functioning. However, not every diarrhea should be regarded as dysentery....