Exact Sciences employees, Scarlett Lee and Xavier Robinson, holding samples. Photography: Lyndon French

Inside the Effort to Test Millions of Stool Samples for Cancer

Colon cancer screening should begin at age 45, new guidelines say. During a pandemic, this at-home poop test has emerged as a key solution.

Ron Winslow
Published in
17 min readOct 30, 2020

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As the number of Covid-19 cases began to explode in the U.S. in March and April, Americans retreated to their homes and put…

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Ron Winslow
Elemental

Medical and science journalist now living in Mount Washington Valley, NH, after 33+ year-career as a reporter and editor at The Wall Street Journal.