Researchers have found that a sharp increase in colorectal cancer screening rates among young adults has led to more cancers being diagnosed early. The US Preventive Services Task Force’s (USPSTF) recommendation change in 2021, lowering the age for colorectal cancer screening from 50 to 45, has been shown to boost screening participation.
Studies published in the Journal of the American Medical Association found that adults aged 45-49 who got screened sharply increased their rates after the USPSTF recommendation changed. The rate jumped from around 20% to 33% between 2021 and 2023, with a significant increase seen between 2021 and 2022.
Another study suggested that a default, mailed stool test in large health systems could be an effective way to get younger people to screening. This approach resulted in a screening rate of over 26%. Experts say the Affordable Care Act’s mandate for private insurers to cover preventive services recommended by the USPSTF has played a key role in increasing screening rates.
The five-year survival rate for colorectal cancer in early stages is above 90%, and getting treated at earlier stages means fewer side effects. The studies’ findings provide evidence that the current screening recommendations are working for the younger age group, and experts hope these results will help future task force panels recognize the power of guidelines in improving public health.
Fola May, a cancer researcher, said, “Look at studies like this and see the power of what guidelines can do for us as a nation.” The findings also highlight the need to address concerns about Medicaid cuts, which could impact access to colorectal cancer screening.
Source: https://www.statnews.com/2025/08/04/colon-cancer-screening-guidelines-age-45-new-studies