Infrared Light Therapy - Why I'm Interested in It

Over the last few years I've become increasingly interested in infrared light therapy, not because it's the latest wellness trend, but because it sits in that sweet spot where modern research and practical experience seem to meet.

You may have heard it mentioned on podcasts such as The Joe Rogan Experience, where guests like Dr Andrew Huberman have discussed the growing body of research behind red and near-infrared light. Like many things in health, the conversations can sometimes become a little overexcited, but underneath the headlines there's a surprisingly solid foundation of science.

What I find fascinating is that this isn't really a new therapy at all. Scientists have been studying the effects of therapeutic light for decades. NASA even explored red light technology to help promote wound healing and maintain plant growth during space missions. Since then, research has expanded into sports medicine, physiotherapy, dermatology, neurology and rehabilitation.

The basic idea is remarkably simple. Every cell in your body needs energy to function. That energy is produced inside tiny structures called mitochondria, often referred to as the body's microscopic power stations. Red and near-infrared light appear to stimulate these mitochondria, helping them produce energy more efficiently.

Imagine every cell in your body running on rechargeable batteries. If those batteries charge a little more efficiently, the cells responsible for healing, repairing tissue and managing inflammation may simply do their jobs a little better.

That's why researchers have become so interested in this area. Rather than forcing the body to do something unnatural, infrared light seems to support processes the body is already designed to perform, repairing tissue, reducing unnecessary inflammation and recovering from physical stress.

One of the strongest areas of research is muscle recovery. Athletes have always looked for safe ways to recover more quickly between training sessions, and photobiomodulation, the scientific name for red light therapy, has consistently shown benefits in reducing muscle soreness and supporting recovery after exercise. It's now used in many elite sporting environments around the world.

Pain management is another area where the research is encouraging. Studies have shown improvements in a range of musculoskeletal conditions, including arthritis, tendon problems and persistent neck pain. While it's not presented as a cure, many people experience enough improvement to move more comfortably, exercise with greater confidence and participate more fully in everyday life.

Skin health is perhaps the most visible example. Red light has been shown to encourage collagen production, improve wound healing and support healthier-looking skin. Dermatology clinics have been using therapeutic light for years because healthy skin repair depends on healthy cellular function.

The area that excites researchers the most is probably the brain. Early studies are exploring whether near-infrared light may support recovery after concussion, improve aspects of cognitive function and assist people living with neurological conditions. This research is still developing, but the idea that light can influence brain metabolism is one of the most interesting frontiers in modern rehabilitation science.

In my own work, I don't see infrared light therapy as a miracle treatment, nor do I see it as something that replaces good nutrition, movement, sleep or psychological therapy. Instead, I see it as another tool. Just as we encourage people to eat well because it gives the body the building blocks it needs to repair itself, or to sleep because that's when much of our healing occurs, infrared light may provide another way of supporting the body's natural recovery processes.

Health rarely comes from one intervention. More often, it's the accumulation of many small positive influences that gradually shift the body towards healing. Good sleep, regular movement, meaningful relationships, balanced nutrition, stress management and therapies that support recovery all work together.

Infrared light therapy appears to fit comfortably within that picture. The exciting thing isn't that it promises extraordinary results overnight. It's that a growing body of research suggests something as simple as carefully delivered light may help the body do what it has always been trying to do, heal itself.