What Researchers Did
Researchers reviewed existing data and presented new findings on the effects of NASA light-emitting diode (LED) therapy on wound healing in cell cultures, rat models, and human subjects.
What They Found
In vitro, LED therapy increased cell growth by 140-200% in various animal-derived cells and by 155-171% in normal human epithelial cells. In animal models, wound size decreased by up to 36% with LED and hyperbaric oxygen, while human studies showed over 40% improvement in musculoskeletal injuries and a 47% reduction in pain from oral mucositis.
Canadian Relevance
This study has no direct Canadian connection as it was conducted by U.S. researchers and involved U.S. military personnel.
Study Limitations
A limitation is the variability in LED parameters (wavelength, intensity, energy density) across the diverse in vitro, animal, and human studies, making it challenging to establish optimal treatment protocols.