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Heart Rate Variability Studies What the Latest Studies Show

When I review the photobiomodulation literature, I start with the mechanism before touching the clinical claims, and heart rate variability studies is a good example of why. The field has a reputation for scattered results, but much of the scatter… Continue Reading…

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Angiogenesis and Photobiomodulation A Review of Current Clinical Evidence

When I review the photobiomodulation literature, I start with the mechanism before touching the clinical claims, and angiogenesis and photobiomodulation is a good example of why. The field has a reputation for scattered results, but much of the scatter disappears… Continue Reading…

Neuroplasticity and Light What the Latest Studies Show

Red light therapy, also known as photobiomodulation, has been the subject of increasing scientific attention, and neuroplasticity and light sits at the center of that literature. Over the past year I have worked through the primary research on this topic:… Continue Reading…

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LLLT Clinical Research for Mood Disorders A Review of Current Clinical Evidence

Red light therapy, also known as photobiomodulation, has been the subject of increasing scientific attention over the past two decades. A search of the PubMed database for photobiomodulation-related publications shows a steady increase from approximately 200 papers per year in… Continue Reading…

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Cortisol Reduction Studies A Review of Current Clinical Evidence

When I review the photobiomodulation literature, I start with the mechanism before touching the clinical claims, and cortisol reduction studies is a good example of why. The field has a reputation for scattered results, but much of the scatter disappears… Continue Reading…

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Can Red Light Therapy Transform Your Skincare? I Tested It for 8 Weeks

By Emma Thompson (Clinical Skincare Specialist) | Updated: August 31, 2026 Emma Thompson is a clinical skincare specialist. The research behind red light therapy was too compelling to ignore. A meta-analysis of 28 RCTs found 86% showed improvement. I committed… Continue Reading…

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I Used Red Light Therapy for 12 Weeks. Here is What the Research Shows

By Thomas Wright (Senior Medical Writer) | Updated: August 30, 2026 Thomas Wright has 10 years of medical writing experience. A meta-analysis of 28 randomized controlled trials found that 86 percent of studies showed statistically significant improvement with red light… Continue Reading…

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Autophagy and Red Light What the Latest Studies Show

Red light therapy, also known as photobiomodulation, has been the subject of increasing scientific attention over the past two decades. A search of the PubMed database for photobiomodulation-related publications shows a steady increase from approximately 200 papers per year in… Continue Reading…

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Sebum Production Research What the Latest Studies Show

Red light therapy, also known as photobiomodulation, has been the subject of increasing scientific attention over the past two decades. A search of the PubMed database for photobiomodulation-related publications shows a steady increase from approximately 200 papers per year in… Continue Reading…

Expert Commentary

Testosterone and Photobiomodulation A Review of Current Clinical Evidence

Red light therapy, also known as photobiomodulation, has been the subject of increasing scientific attention over the past two decades. A search of the PubMed database for photobiomodulation-related publications shows a steady increase from approximately 200 papers per year in… Continue Reading…