Scientists are looking for a new way to make antivenom and a new study poked some holes in a diagnostic test by making volunteers drink their own blood.

Howcast - Learn the difference between colitis and ulcerative colitis from gastroenterologist Lisa Ganjhu, M.D. in this Howcast video about stomach problems.

Howcast - Learn what causes diarrhea from gastroenterologist Lisa Ganjhu, M.D. in this Howcast video about stomach problems and digestive disorders.

Howcast - Learn about marijuana use and gastrointestinal (GI) disorders in this Howcast video.

An animation of the effect of Ulcerative Colitis on the intestine.

An animation of the effect of Crohn's Disease on the intestine.

Crohn’s disease and ulcerative colitis are both types of inflammatory bowel disease. A look at each.

So, today I went in for a routine medical procedure, and I wanted to talk about it to: 1. Remove some stigma 2. Give some advice 3. Make it clear that preventative medicine is important! My procedure went great and Katherine filmed about...

Colon Cancer (CRC) Risk Factors (& Ways To Reduce Risk) | Genetics, Dietary & Lifestyle
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Colon cancer (also known as colorectal cancer or colorectal carcinoma) is one of the most common types of cancer, being the 3rd or 4th...

Traveler’s Diarrhea | Causes (Bacteria, Viruses, Protozoa), Risk Factors, Symptoms, Diagnosis, Treatment



Travelers Diarrhea is the most common infection in travelers to impoverished areas/nations. There are several risk...

Chronic Diarrhea | Approach to Causes, Secretory vs Osmotic vs Inflammatory, Watery vs Bloody Diarrhea



Chronic diarrhea is diarrhea occurring for greater than 2-4 weeks, and it is broadly categorized into secretory, osmotic,...

Crohn’s disease is a chronic inflammatory bowel disease that can involve inflammation anywhere in the gastrointestinal tract (anywhere from mouth to perianal region). Due to it being a chronic inflammatory state, Crohn’s disease can lead...

Ulcerative Colitis Signs and Symptoms (& Why They Occur), and Complications



Ulcerative Colitis is a chronic inflammatory bowel disease that involves inflammation in the large intestine (colon). Due to it being a chronic...

Colorectal carcinoma (Colon Cancer) is the 3rd to 4th most common type of cancer, that is more likely to occur in older patients, those with a family history of colorectal cancer and in those with a history of inflammatory bowel...

Colon polyps. Endoscope view of the colon (large intestine) showing inflammatory polyps in a patient with ulcerative colitis..

Abe has ulcerative colitis, a disease causing inflammation and sores in the digestive tract.