A specific red light treatment made cartilage cells in a dish less active metabolically
Scientific Claim
Near-infrared light at 940 nm with 17 mW/cm² power density, applied daily for 180 seconds, significantly reduced metabolic activity in cultured human chondrocytes from a 46-year-old female donor
Original Statement
“In contrast, the PBM protocol 17 mW/cm² at 940 nm (continuous, daily) resulted in significantly reduced metabolic activity compared to control (p = 0.002)”
Evidence Quality Assessment
Claim Status
appropriately stated
Study Design Support
Design supports claim
Appropriate Language Strength
definitive
Can make definitive causal claims
Assessment Explanation
The study directly measured metabolic activity with statistical significance for this specific parameter, so 'significantly reduced' is appropriate.
Evidence from Studies
Supporting (1)
Near-infrared photobiomodulation stimulates viability and cartilage matrix synthesis in human chondrocytes