Over the past twenty years in practice, I have had the privilege of watching many different therapies help people recover from injury and chronic pain. One therapy that has gained increasing attention over the past decade is Low Level Laser Therapy, sometimes called cold laser therapy.
Despite the sophisticated name, the principle behind it is surprisingly simple. Healing happens at a microscopic level. Inside each of our cells are structures called mitochondria. You can think of them as tiny power plants that generate ATP, the energy currency our cells need to function and repair themselves.
When tissue is injured or inflamed, these cellular power plants often slow down. With less available energy, healing can stall. This is one reason why aches and pains that begin with a small injury can linger for months or even years, long after the original event has faded from memory.
Low Level Laser Therapy works through a process known as photobiomodulation. Plants use sunlight to create energy through photosynthesis. In a similar way, human cells can absorb specific wavelengths of light and convert them into usable energy.
When a carefully calibrated therapeutic laser is applied to injured tissue, those light photons are absorbed by the mitochondria. In essence, the therapy helps support cellular energy production. With more ATP available, cells are better able to clear inflammatory byproducts and rebuild healthy tissue.
Pain often persists because the body becomes caught in a chronic inflammatory loop. The original injury may be long past, yet the surrounding tissues remain irritated and sensitive. Light therapy can act as a gentle biological nudge, helping restore normal communication between the nervous system and the immune system so that the healing process can move forward.
For example, someone with persistent shoulder pain who has tried rest and physiotherapy may find that progress has plateaued. In these situations, supporting the tissue at a cellular level can sometimes help shift the healing process.
This is particularly relevant as we move through our fifties, sixties and beyond. With age, circulation to smaller tissues declines and collagen production slows. These changes contribute to common conditions such as osteoarthritis, tendon injuries and degenerative disc problems. The body still knows how to repair itself, but sometimes it benefits from additional support.
By stimulating micro-circulation and supporting the activity of repair cells, light therapy can help create a healthier environment for connective tissues. In a broader wellness
plan, it becomes one of the non-invasive tools that may help maintain joint health and mobility over time.
In clinical practice, Class 3B lasers are among the most widely studied forms of therapeutic laser. They deliver light energy without producing heat, allowing the tissue to absorb the precise photonic dose needed to stimulate healing while maintaining an excellent safety profile.
Placebo-controlled clinical trials have shown that Low Level Laser Therapy can be helpful for several common conditions, including osteoarthritis of the knee or hand, chronic low back pain, tendon injuries such as rotator cuff or Achilles problems, neck pain related to posture or whiplash, and certain forms of nerve pain. As with any therapy, results can vary, and it tends to work best as part of a broader plan that may include movement, nutrition and other treatments.
For many people, it becomes one more way to help the body do what it was designed to do all along: repair itself. Sometimes healing simply needs a little more light.
Dr. Macdonald is a naturopathic physician practicing in downtown Courtenay since 1997. 250-897-0235 or www.getwellhere.com
