Here’s How A Colorado Dentist Became Big Sugar’s Worst Nightmare

The cardboard box looked unassuming, but as soon as Cristin Kearns opened it, she knew she was onto something juicy. Inside were documents donated to Colorado State University’s library by a corporation that didn’t exist anymore, one whose local beet sugar factories had shut down by the 1980s.

Decades after those closures, in 2009, Kearns flipped open the top manila folder. The first sheet of paper was a 1975 tip sheet from a sugar trade group to sugar company executives, marked “CONFIDENTIAL.” It gave instructions on how to talk to the press about a pro-sugar series of scientific studies — research funded by the trade group, a fact that had not been disclosed at the time.