The common cold is a respiratory infection, not a digestive disorder.

Heartburn is a burning sensation in the chest caused by stomach acid backing up into the esophagus.

IBS is characterized by a combination of abdominal pain, bloating, and constipation or diarrhea.

Crohn's disease is an autoimmune disorder that causes inflammation of the digestive tract.

Ulcerative colitis can be treated with medication, surgery, diet, or a combination of these.

Diarrhea is the most common symptom of celiac disease, an autoimmune disorder triggered by gluten.

Diverticulitis, an inflammation of pouches in the colon, can cause abdominal pain, fever, and nausea.

Gallstones are the most common cause of pancreatitis, an inflammation of the pancreas.

Hepatitis, an inflammation of the liver, can cause jaundice, dark urine, and fatigue.

Hepatocellular carcinoma is the most common type of liver cancer, accounting for about 75% of cases.

Peptic ulcer disease, caused by sores in the lining of the stomach or duodenum, can cause abdominal pain, heartburn, and nausea.

Diabetes is the most common cause of gastroparesis, a condition in which the stomach takes too long to empty its contents.

IBD, which includes Crohn's disease and ulcerative colitis, can cause abdominal pain, diarrhea, and weight loss.

Squamous cell carcinoma is the most common type of esophageal cancer, accounting for about 90% of cases.

Colorectal cancer, cancer of the colon or rectum, can cause rectal bleeding, abdominal pain, and weight loss.