Blog: Guides, Science and Evidence Updates
Every article on the index, newest first. 202 articles.
Study Review: NEST-3, the Phase III Stroke Laser Trial
The phase III sham-controlled trial of transcranial laser in acute stroke, stopped for futility after an earlier pooled analysis had looked positive.
Study Review: A Light Helmet Trial in Parkinson's
A 40-person triple-blind trial of a 635nm and 810nm LED helmet in Parkinson's: the design, the post-hoc motor results, and why a panel is not the same thing.
Photobiomodulation for Periodontitis: Dental-Office Evidence
Evidence grade Moderate for photobiomodulation added to basic periodontal therapy in a clinic, from a 2024 meta-analysis, and what it means for home panels.
Vellgus Alternatives Compared: Price-Matched Panels
Four panels to weigh against a Vellgus Pro, matched on price, with wavelength mix, irradiance method, warranty and return terms from the database.
Rouge Alternatives Compared: Price-Matched Panels
Four panels to weigh against a Rouge Pro G4, matched on price, with wavelength mix, irradiance method, warranty and return terms from the database.
Photobiomodulation for Oral Mucositis: Clinic Evidence
Evidence grade Strong for supervised clinic use in cancer care, from the MASCC/ISOO review, with what it does and does not say about home panels.
Red and NIR Light for Cognition and Dementia: Case Series Only
Grade Insufficient. A five-person dementia case series, a 40-person 1064nm laser trial in healthy adults and a narrative review, and what a home panel is not known to do.
Red Light Therapy for Dogs and Pets: What Owners Know
Veterinary light therapy is a clinic practice, and no home-panel pet trial is in the register. What that means, plus the eye and heat cautions.
Red Light Therapy for Breast Cancer Lymphedema
One 2015 meta-analysis of laser therapy for breast cancer-related lymphedema, what clinics used, and why a home panel is a question for oncology.
Red Light Therapy for Kids and Teens: Safety First
No trial has tested home red light panels in children, so no safe dose exists. What that means, the eye and heat cautions, and what to ask a pediatrician.
Red Light Therapy for Cellulite: Limited Evidence
One sham-controlled trial of a 532nm green laser reported cellulite stage improvement. What it measured, what it did not, and what it means for a home panel.
Best Red Light Panels for Psoriasis and Skin Conditions
Panels ranked on database fields for people asking about psoriasis, using the one small 633nm plus 830nm trial as the reference. UV phototherapy is the clinic standard.
Lux vs mW/cm2: Why Lux Misreads a Red Light Panel
Lux weights light by eye sensitivity, mW/cm2 counts power. Worked examples show why near-infrared reads near zero in lux and why the units do not convert.
Best Red Light Panels for a Home Gym
Five panels ranked for a home gym on mounting, standing coverage, method-labeled irradiance, price with date, and warranty and return terms.
Red Light Therapy for Cold Sores: Limited Evidence
Grade Limited. One 1999 sham-controlled laser trial reported longer recurrence-free time, and no home panel trial exists. What it tested and what is unknown.
Used and Refurbished Red Light Panels: Buyer's Guide
Warranty terms usually stop at the original purchaser. What that means for a used panel, what to measure on arrival, and which return policies exclude refurbished units.
Study Review: Light Therapy for Fractures, 2020 Meta-Analysis
A 2020 meta-analysis pooled two placebo-controlled fracture trials. What it asked, what it found, why certainty stayed low, and the gap to a home panel.
Photobiological Safety (IEC 62471): What It Covers
What the IEC 62471 eye-safety standard measures, how its four risk groups work, and why no panel brand in the database publishes a classification.
Red Light Therapy and Bone Healing: Limited Evidence
Grade Limited. One 2020 meta-analysis of two placebo-controlled fracture trials reported small pain and function signals and no radiographic difference.
Red Light for Rheumatoid Arthritis: The Cochrane Review
A Cochrane review of placebo-controlled laser trials in rheumatoid arthritis reported short-term pain and stiffness changes. Grade Limited. Here is what it covers.
Red Light Panel vs Infrared Heat Lamp: Not Interchangeable
A heat lamp makes broad-spectrum warmth with a red glow. A panel makes narrow bands at stated irradiance. Here is what differs and when each makes sense.
Best Red Light Panels with Pulsing Modes and App Control
Panels whose database listings publish pulse modes and control features, ranked on listed fields, plus what the evidence says about pulsing and apps.
Photon Energy and Wavelength: Why NIR Photons Carry Less
Photon energy falls as wavelength rises. Here is the simple formula, worked values for common panel wavelengths, and why more energy per photon is not the goal.
Red Light Therapy for TMJ Pain: The Evidence
TMJ pain and light therapy graded Moderate for clinic lasers and Insufficient for home panels, with the 2018 meta-analysis and a 2025 1064nm trial.