Dr. Geoffrey M. Zucker MD

Recently Canada dropped the gluten-free designation for Cheerios made by General Mills. However, the boxes produced in the United States still claim the cereal is okay for those who have celiac disease.Is there a different definition of gluten-free from Canada to the US? Well, the US may allow the...

Silent reflux, or laryngopharyngeal reflux, is similar to gastroesophageal reflux disease (GERD), however, it lacks the characteristic symptoms of GERD. Both conditions are caused by contents from the stomach moving backward into the esophagus. As the typical symptoms of gastric reflux are lacking...

There are thousands of species of harmless and useful bacteria residing in our digestive system, and they normally maintain a balance among themselves. If the balance is thrown off track, these good bacteria can cause a number of illnesses. One such bacterium in our gut is Clostridium difficile (C....

Celiac disease is a lifelong condition that can radically alter someone's way of life, prompting him or her to switch to different eating habits, adopting a more active lifestyle, and adopting healthier measures, in general. Those who are struggling with the disease must make regular visits to their...

What is E. Coli?E. coli is a bacterium that normally dwells in the intestines of both animals and humans. However, there are certain types of E. coli, specially E. coli 0157:H7, that are known to cause intestinal infection, which would lead to cramps, vomiting, and bloody diarrhea. E. coli is also...

A dark stool refers to a stool that is either black or dark red in color. You may pass dark bowel movements after consuming dark-colored foods or when an injury or bleeding is present in your gastrointestinal tract. If you pass dark or bloody stools, see your doctor immediately to rule out serious...