Approximately 1 in 5 U.S. adults had chronic pain in 2019.
Notes on verification
Confirmed by CDC NHIS data brief and independent peer-reviewed study in PAIN journal, both reporting ~20.4-20.5% prevalence, consistent across multiple secondary sources. [cascade flags: aggregator_dropped_primary_exists | tier=silver indep_score=0.925 clusters=2 claim_tier=notable]
Sources
- CDC Clinical Practice Guideline for Prescribing Opioids ... (seed:health_and_medicine)
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10121254/ (corroboration)
- https://journals.lww.com/pain/abstract/2022/02000/prevalence_of_chronic_pain_among_adults_in_the.31.aspx (corroboration)
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10833639/ (corroboration)