Kristin Sheffield, PhD

Kristin Sheffield, PhD, assistant professor, department of surgery, University of Texas, Galveston. Her study was published in JAMA Internal Medicine.

Many Colonoscopies Are Unnecessary
Colon Cancer

Many Colonoscopies Are Unnecessary

Kristin Sheffield, PhD | May 17, 2013

Did you have a screening colonoscopy less than 10 years ago, with perfectly normal results? Or are you over the…