Diarrhea is not a common symptom of GERD. Heartburn, regurgitation, and nausea are more common.

Helicobacter pylori infection is the most common cause of peptic ulcers. Stress, spicy foods, and alcohol consumption can contribute to ulcer formation, but they are not the primary cause.

Abdominal pain, diarrhea, and weight loss are all common symptoms of Crohn's disease.

Ulcerative colitis is an autoimmune disorder in which the body's immune system attacks the lining of the colon.

Age, family history, and diet are all risk factors for developing colorectal cancer.

Non-alcoholic fatty liver disease is the most common type of liver disease worldwide, affecting up to 25% of the population.

Abdominal pain, nausea, and vomiting are all common symptoms of pancreatitis.

High cholesterol, high bilirubin, and rapid weight loss can all contribute to the formation of gallstones.

Abdominal pain, diarrhea, and constipation are all common symptoms of IBS.

Crohn's disease is the most common type of inflammatory bowel disease, affecting approximately 1.6 million people in the United States.

Family history, autoimmune disorders, and wheat allergy are all risk factors for developing celiac disease.

Diet, particularly a low-fiber diet, is the primary cause of diverticulitis.

Abdominal pain, diarrhea, and gas are all common symptoms of lactose intolerance.

Hepatitis A is the most common type of hepatitis, with an estimated 1.4 million cases worldwide each year.

Diabetes, autoimmune disorders, and surgery are all risk factors for developing gastroparesis.