About the Author William E. Karnes, MD Dr. William E. Karnes is a UCI Health gastroenterologist who specializes in disorders of the gastrointestinal tract, including colorectal cancer screening, gastrointestinal reflux disease (GERD), swallowing disorders, irritable bowel syndrome, peptic ulcers and esophageal disorders. He also conducts translational research on colon cancer prevention with an emphasis on regular colorectal screening, especially among patients and families with a genetic risk for developing the disease
5 fun new facts about colonoscopies March 21, 2017 | William E. Karnes, MD As much as colonoscopy has improved in recent years, it’s still a bit of a bother. But it's gotten better. Read More Tags cancer colorectal cancer prevention
‘Underwater’ colonoscopy: Easier for doctor, less pain for you March 03, 2016 | William E. Karnes, MD “Underwater” colonoscopies use a gentle stream of water instead of puffs of air to guide the physician through the colon, and it can mean less pain... Read More Tags colorectal cancer cancer digestive health prevention
Does your genetic makeup put you at greater risk of colon cancer? December 01, 2015 | William E. Karnes, MD We all have a 1 in 20 chance of getting colon cancer. You read that right: 1 in 20. Some people face a slightly higher risk of developing colon... Read More Tags colorectal cancer genetics cancer digestive health