Laser Therapy Institute Podcast

This episode reviews a 2026 pilot study evaluating the effects of photobiomodulation therapy (PBMT) on inflammatory and cartilage biomarkers in patients with advanced knee osteoarthritis. We discuss the biologic rationale for PBMT, changes in serum and synovial fluid cytokines, and whether these findings move PBMT closer to being considered a disease-modifying intervention rather than simply a sym...

Joining us today is Tommy Mulhern — Physician Associate, Marine Corps Veteran, and emerging voice in the field of psychedelic-assisted therapy. Tommy and Dr. Rountree served together in the Marines and recently reconnected over their shared interest in advancing healthcare. After years working in conventional medical roles, Tommy became increasingly aware of healthcare's shortcomings in addressing...

In this episode, we review a 2026 systematic review and meta-analysis examining the effects of photobiomodulation (PBM) on depressive symptoms. We break down the mechanisms, results, and practical clinical applications of this emerging, non-invasive therapy. Ji-Woo Seok, Kahye Kim, Jaeuk U. Kim, Jung-Dae Kim, "Effect of photobiomodulation intervention for depressive symptoms: A systematic review a...

HEALTHCARE PROVIDERS!  It's a classic face-off episode, where we compare sound vs light. Which one comes out ahead? Where do you spend your money to help the most patients? Tune in and learn what the latest research is saying! Read the full study discussed in this episode -- Extracorporeal Shockwave Therapy versus laser therapy in treating musculoskeletal disorders: a systematic review and meta-an...

Plantar Fasciitis is a common cause of heel pain, affecting many. You likely have patients struggling with this painful issue. If you use a Class 4 laser for your patients you may wonder what settings work best. Listen to this episode as Dr. Rountree, DC, CMLSO discusses this new 2024 study on high power vs. higher power laser for plantar fasciitis. Read the full study discussed in this episode --...

In this episode, Dr. Rountree discusses a newly released study detailing photobiomodulation and various brain disorders. Read the full study discussed in this episode -- Transcranial photobiomodulation for brain diseases: review of animal and human studies including mechanisms and emerging trends YouTube Channel View the many other episodes and videos available here Laser Therapy Institute Further...

Plantar fasciitis can be tough to treat but can be even more difficult when a calcaneal spur is present. In this double-blind, placebo-controlled trial, laser therapy showed some great benefits. Listen in as we summarize the study and give you takeaways to help your patients! We are now live-streaming each recording on YouTube! Watch the recording of this episode. (Be sure to catch our Healing at...

Are you trying to sort through all the research and information about lasers? Let us help! In this episode, we go over the results of more than 170 studies about the cellular and tissue effects of different wavelengths. Learn what the research is showing for visible and infrared wavelengths so you can decide for yourself which lasers fit your practice, in a plain-language way that makes sense! We...

Laser therapy has been proven to help with diabetic neuropathy pain, but could lasers stimulate damage reversal? Join us as we review the research on neurovascular function in diabetic neuropathy. Read the full research study mentioned in this episode. We do a live broadcast of the LTI Podcast every other week on Facebook. Watch this episode here .  (Be sure to also catch our Healing at the Speed...

Do you use, or want to use, laser therapy to treat patients with carpal tunnel syndrome? How can you be sure your dose parameters and technique are correct? Join us to hear what recent research is showing for LLLT and HILT doses for effective treatment! Read the full study here . We do a live broadcast of the LTI Podcast every other week on Facebook. Watch this episode here .  (Be sure to also cat...

It is increasingly understood that laser therapy (photobiomodulation) can produce great results in treating various conditions, but how important is the way the laser is used? Dr. Rountree shares research to find the best ways to use your PBM device for your patient's health! Read the complete study mentioned in this podcast. We do a live broadcast of the LTI Podcast every other week on Facebook....

Are you caught up in all the laser sales lingo and wondering which way is up? What is the difference between Class 4 lasers and superpulsed Class 3? Does high peak power mean better penetration? Listen now to find out what the science says in this episode. Read the complete study mentioned in this podcast. We do a live broadcast of the LTI Podcast every other week on Facebook. Watch this episode h...

Dr. Rountree is joined today by former Harvard professor and world-renowned clinical researcher Dr. Robert Wolfe to discuss nutritional adjuncts to healing and pain relief. Dr. Wolfe's studies have been conducted with support from competitive research grants from the National Institutes of Health, National Space Biomedical Institute, US Department of Defense, The US Department of Agriculture, as w...

In this episode, Dr. Agnieska Cluchey shares research and protocols for caring for sprains using laser therapy. This is an excerpt from a recent webinar Sports Medicine With Laser Therapy . Access the link to watch the full webinar which includes more research and information regarding mild traumatic brain injury and overuse syndrome. Dr. Cluchey is the owner of a Laser Therapy clinic in Illinois...

What's going on with this "new" laser wavelength of 1064nm? Find out how this wavelength compares to more traditional PBM wavelengths like 830nm, as well as the reasons to use 1064nm in this research review! "There are a few reasons for utilizing a 1064 nm laser. First, the absorption of water at 1064 nm is relatively weak, lower than that at 950-1000 nm and comparable to that at 900 nm (see the f...

Listen in as Dr. Rountree discusses new research that shows that near-infrared light therapy might improve anxiety, mood, energy, daily routine, sleep, and cognition while reducing the burden on caregivers. Access the full study here . We do a live broadcast of the LTI Podcast every other week on Facebook. Watch this episode here . (Be sure to catch our Healing at the Speed of Light Podcast on Fac...

Laser therapy research shows that photobiomodulation "is able to rapidly induce photothermic and photochemical effects in the deep tissue, thus stimulating collagen production, increasing blood flow and cellular metabolism, and removing painful stimuli." Learn more about this research and how laser therapy compares with TENS in this episode of the LTI Podcast. Read the full study here . We do a li...

Listen to this episode of the LTI Podcast as Dr. Rountree discusses a 2022 review article focused on how light works to improve tendon healing! Download the review  The Functions and Mechanisms of Low-Level Laser Therapy in Tendon Repair (Review) We do a live broadcast of the LTI Podcast every other week on Facebook. Watch this episode here . (Be sure to catch our Healing at the Speed of Light Pod...

There is a lot of debate regarding the penetration of light through tissues, how it works, and whether it is even necessary for the effects of photobiomodulation. In today's LTI Podcast, Dr. Rountree discusses some technical details from two studies to bring to light some answers to the debate about the factors of light penetration. The studies mentioned in this episode: Near-infrared photonic ene...

Listen in as Dr. Rountree shares more about the exam, testing, diagnosis, and treatment of "back mice" in the clinical setting. We have begun live-streaming this podcast. Watch the next episode LIVE in two weeks on Facebook! The study mentioned in this episode: The Best-Laid Plans of "Back Mice" and Men: A Case Report and Literature Review of Episacroiliac Lipoma YouTube Channel Laser Therapy Inst...

This podcast is an excerpt from a one-hour webinar packed full of information you need to know if you want to be successful with peripheral neuropathy patients. Dr. Rountree covers: What is neuropathy? Why does it happen? How can laser therapy help? How do I start helping neuropathy patients in my practice? What kind of practice growth can I expect? Watch the full webinar .  YouTube Channel Laser...

New research on chemo-induced neuropathy PREVENTION shows promising results for patients undergoing cancer treatment. Learn what the researchers found and how it can impact your practice! The study mentioned in this episode: The use of photobiomodulation therapy for the prevention of chemotherapy-induced peripheral neuropathy: a randomized, placebo-controlled pilot trial (NEUROLASER trial) RSVP fo...

Do you want to use light and laser therapy to help your patients with neurodegenerative symptoms? Dr. Rountree discusses research-based strategies to utilize photobiomodulation with this growing patient population. Mentioned in this episode: Improvements in clinical signs of Parkinson’s disease using photobiomodulation: a prospective proof-of-concept study Vielight YouTube Channel Laser Therapy In...

Listen in as Dr. Rountree discusses brand-new research comparing laser and LED effects, along with 800nm vs 1064nm wavelengths, testing for light-induced cellular metabolism improvements, and what it all means to the clinician. The study mentioned in this episode: Photobiomodulation at Different Wavelengths Boosts Mitochondrial Redox Metabolism and Hemoglobin Oxygenation:  Lasers  vs.  Light-Emitt...

Some research has indicated that PBM could be applied to the blood and platelets during the preparation of the PRP solution in order to increase the regenerative functions. Join us to hear a research summary and learn how some doctors are using their lasers to "activate" PRP prior to injection. Dr. Rountree also goes over what a 3-step protocol might look like. For related information check out Li...