Many things in nature impact the human body — even something as fundamental and simple as light! You’ve likely heard about red light therapy, along with the many benefits the products claim. Does red light therapy really work?
Red light therapy seems to be everywhere, showing up in face masks, helmets, vests and even full-body beds! At first glance it sounds a little like sci-fi, but researchers say there is some scientifically-based evidence behind that red glow. The therapy uses specific wavelengths of red and near-infrared light that can penetrate skin and reach cells beneath the surface.
Researchers believe these wavelengths interact with mitochondria — known to many as the powerhouse of the cell— responsible for ultimately making all our energy! When mitochondria absorb this light, they may become more efficient and better support cellular function.
Researchers are investigating whether this could help with a variety of issues like wound healing, inflammation, eye function, overall skin health and even some neurological conditions. Some studies have reported promising results, including improvements in skin appearance and some age-related changes. However, results are modest and there are more effective treatments like retin A and light laser peels.
There is also growing interest in whether red light could help the brain recover after injury or support healthy aging. However, scientists caution that many studies are still small, and not all claims made by commercial products are backed by strong evidence from multiple studies. Different wavelengths, treatment times and device qualities can produce very different results. That means some of the excitement is justified, but much of the marketing is racing ahead of the science.
So while red light therapy may not be a miracle cure, it seems to offer a fascinating glimpse into how something as simple as light can influence the biology of our cells.
Scientific research, how enlightening!
