Poll shows most Americans unaware processed meat raises colon cancer risk

A new poll reveals that nearly half of U.S. adults do not know processed meat is linked to higher colorectal cancer risk. Conducted by the Physicians Committee for Responsible Medicine and Morning Consult, the survey of 2,202 adults from February 9 to 11, 2026, found strong support for warning labels after respondents learned of the connection. Experts highlight the need for better education amid rising cases in younger adults.

March marks National Colorectal Cancer Awareness Month, bringing attention to a significant knowledge gap uncovered in a recent survey. Nearly half of Americans remain unaware that consuming processed meat increases the risk of colorectal cancer, the leading cause of cancer deaths among adults under 50, according to Joseph Barrocas, MD, an internal medicine specialist from Huntersville, N.C. The poll, involving 2,202 U.S. adults, showed that only one in three respondents recalled receiving information on this link from healthcare professionals. Barrocas emphasized the urgency: 'In light of colorectal cancer now being the leading cause of cancer deaths in adults under 50, it's concerning that so many people still don't know about the strong connection between eating processed meat and the risk of developing colorectal cancer.' Upon learning the facts, about two-thirds of participants supported adding warning labels to processed meat products. Barrocas added that healthcare providers need more education to discuss dietary protections alongside screening: 'More health care practitioners have to be educated about the link between diet and colorectal cancer, and in addition to recommending screening, discuss with patients the protective benefits of a diet rich in fruits, vegetables, grains, and beans.' Research supports risk reduction through lifestyle changes. Individuals on plant-based diets face a 22% lower colorectal cancer risk compared to omnivores, due to protective phytochemicals in fruits, vegetables, whole grains, and legumes. High fiber intake correlates with a 72% lower risk of colon polyps, precursors to cancer. Anna Herby, DHSc, RD, CDE, a nutrition education specialist with the Physicians Committee, noted: 'Research shows that for every 10 grams of fiber we eat each day, we can lower our colorectal cancer risk by up to 10%.' She suggested simple sources like a cup of raspberries, two tablespoons of chia seeds, or two-thirds cup of black beans. The organization is offering its Food for Life plant-based nutrition classes online and nationwide this month to promote cancer prevention through diet.

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Illustration of colon with dual polyps indicating fivefold higher precancerous risk from Flinders study.
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Study links dual colon polyps to higher risk of advanced precancerous changes

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Researchers from Flinders University and Flinders Medical Centre, reviewing more than 8,400 colonoscopy records, reported that people found to have both adenomas and serrated polyps had up to a fivefold higher risk of developing advanced precancerous colorectal changes at follow-up than those with only one polyp type.

Preliminary research from USC Norris Comprehensive Cancer Center, presented at the American Association for Cancer Research (AACR) annual meeting, found that non-smokers diagnosed with lung cancer before age 50 reported eating more fruits, vegetables and whole grains—and had higher overall Healthy Eating Index scores—than the U.S. population average. The researchers emphasized that the results do not prove diet causes lung cancer and said a possible explanation could involve environmental exposures such as pesticides, a hypothesis that requires direct testing.

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Older adults carrying high-risk APOE4 gene variants experienced slower cognitive decline and lower dementia risk with higher meat consumption, according to a Karolinska Institutet study of over 2,100 participants tracked for up to 15 years. Findings suggest diet's effects on brain health vary by genetics, challenging one-size-fits-all advice.

A study published in *Nature Health* reports a statistical link between environmental exposure to mixtures of agricultural pesticides and higher cancer risk in Peru. Using modeled pesticide dispersion from 2014 to 2019 and cancer registry data from 2007 to 2020 covering more than 150,000 cases, researchers found that people living in high-exposure areas faced, on average, about a 150% higher likelihood of cancer, with Indigenous and rural farming communities among those most exposed.

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