Media Coverage

Dr. John Marshall in the news

Colorectal cancer survivor diagnosed at 40 showed almost no symptoms – except this one

August 19th, 2024

“We evolved over time to include bacteria in our mouths and our GI tracts. Think of it as your own personal soil,” Dr. John L. Marshall said. “So, our leading theory is: Just like we’re changing our air and we’re changing our water with the world around us, we are probably also changing the world inside of us, our own microbiome.”…

Dr. Marshall discusses FDA test

FDA Approves First Blood Test Screening for CRC

August 19th, 2024

“This is a new way to test for if you have an early cancer or an early polyp in the colon that doesn’t involve your poop, that doesn’t involve a bowel prep,” John Marshall, MD said. “So for a lot of people, this means you’ve got no more excuse not to get screening for colon cancer.”…

Colorectal Cancer Cases Tripled in Teens

May 13th, 2024

The overall shift of these cancers being seen in younger people and evidence of “a trend that did not stop with the 20-year-olds,”Dr. John L. Marshall says.…