AI Insight
A study using MRI scans of 615 adults at risk for knee osteoarthritis found that higher consumption of ultra-processed foods was associated with increased fat accumulation inside thigh muscles. This association persisted even after controlling for total calorie intake, physical activity levels, and other potential confounding factors. The fatty infiltration in thigh muscles may compromise structural support around the knee joint and potentially elevate the risk of developing osteoarthritis.
Why it matters
This research suggests that the type of food consumed, not just caloric quantity, may affect muscle composition and joint health. The findings could inform dietary recommendations for individuals at risk of knee osteoarthritis and highlight a potential mechanism linking ultra-processed food consumption to musculoskeletal health beyond weight gain alone.
Understand the Science
Eating more ultra-processed foods was linked to greater fat buildup inside thigh muscles, according to MRI scans of 615 adults at risk for knee osteoarthritis. Surprisingly, the association remained even after researchers accounted for calorie intake, physical activity, and other factors. Fatty changes in these muscles may weaken support around the knee and potentially increase osteoarthritis risk.
Source: Ultra-processed foods linked to hidden muscle fat that may threaten your knees