By Dr. Sanchari Sinha Dutta, Ph.D. Reviewed by Lauren Hardaker Nov 17 2025 A new systematic review and meta-analysis highlight when red meat increases a key inflammation marker and why the effect appears in some groups but not others. Study: Red meat intake and its influences on inflammation and immune function biomarkers in human adults: a systematic review and meta-analysis of randomized controlled trials and observational studies . Image credit: V75/Shutterstock.com A systematic review and