Blog: Guides, Science and Evidence Updates (Page 2)
Every article on the index, newest first. 200 articles.
Red Light Therapy Gift Guide: Picks by Price and Return Terms
Red light panel gift picks by price tier, with trial windows, return shipping and restocking fees compared, because gifts get returned.
Thermal vs Photochemical: Is Red Light Just Heat?
Red light therapy is defined by light absorbed by cells, not by warming tissue. How much warmth a panel adds, and when heat becomes a confounder or a hazard.
Red Light Therapy for Gum and Dental Health
Evidence grade for photobiomodulation in the mouth, from oral mucositis to periodontal care and jaw pain, and why a home panel is not what those trials tested.
IR-A, IR-B and IR-C: Which Infrared Band Do Panels Use?
Infrared is split into three bands by wavelength. Red light panels sit in IR-A, infrared saunas sit in IR-B and IR-C. What the labels mean and how to read them.
Red Light, Melatonin and Circadian Rhythm: Evidence
Grade Limited. One small athlete trial reported higher melatonin after nightly red light; here is what it showed, what it did not, and how to use a panel at night.
Red Light vs UV Phototherapy for Skin Conditions
Clinic UV phototherapy and home red or near-infrared panels are different treatments with different evidence. What each is, what the trials show, and what to expect.
Morning vs Evening Red Light Sessions: Does Timing Matter?
No trial compares morning with evening red light. What the one nightly sleep trial reported, and reasonable timing practice for panels.
Red Light Therapy for Eczema: Evidence Not There Yet
Grade Insufficient. No randomized red or near-infrared trial for atopic dermatitis was found, and the closest sham-controlled LED trial used blue light.
480nm Blue Light on Red Light Panels, Explained
What the 480nm blue channel on some red light panels is, how little of the output it takes, why the acne trials used 415nm instead, and what to check.
Red Light Therapy vs Tanning Beds: No UV, No Tan
Red and near-infrared panels emit no ultraviolet light, so they do not tan or sunburn skin. Here is why, and what a red light bed at a salon usually is.
Red Light Therapy for Plantar Fasciitis: The Evidence
Plantar fasciitis and red light therapy graded Limited: one 2022 meta-analysis of laser trials, a dose pattern, no panel studies, and practical limits.
Home Recovery Corner Setup for a Red Light Panel
How to set up a red light panel corner at home: pick a mount, fix one repeatable distance, and check what is in the box using database stand fields.
Red Light Therapy for Achilles Tendinopathy: Evidence
Achilles tendinopathy and red light therapy graded Limited: a pooled pain result, a tiny mechanism trial, laser-only doses, and what a home panel can claim.
Study Review: Hamblin's Anti-Inflammatory Mechanisms (2017)
A 2017 review of how red and near-infrared light may lower inflammation: the proposed pathways, the cell and animal evidence, and what it cannot say about a panel.
Best Premium Red Light Panels ($2,000 and Up)
What the $2,000-plus tier buys on database fields: coverage, wavelength mix, 1064nm, labeled irradiance and warranty, and what it does not buy.
Best Red Light Panels for Neuropathy and Foot Pain
Panels ranked for use at the feet on database fields, with what the two neuropathy trials did and did not test, plus a foot-safety caution.
Red Light Therapy for Female Pattern Hair Loss: Evidence
Grade Moderate. One sham-controlled trial in 47 women plus two reviews, all on a 655nm helmet. What was studied, what was not, and what it means for a panel.
Study Review: LIGHTSITE III, Dry AMD Light Trial (2024)
A sham-controlled trial of 590, 660 and 850nm light in dry AMD reported a 2.4-letter acuity edge at 13 months, using a clinic device, not a home panel.
Red Light Therapy for Photoaging and Sun-Damaged Skin
Grade Limited. Two controlled trials, an uncontrolled clinic report and a review on aging skin, what each tested, and what a home panel can claim.
Infraredi Alternatives Compared: Price-Matched Panels
Four panels to weigh against an Infraredi, matched on price, with wavelength mix, irradiance method, warranty and return terms from the database.
Red Light Therapy and Inflammation: Mechanism vs Human Data
Grade Limited. Cell and animal work describes how light may lower inflammation; one small human trial measured a marker. What each can and cannot say about a panel.
Red and NIR Light for Traumatic Brain Injury
Grade Limited. One 11-person open-protocol LED study, a narrative review and a penetration paper, and why a home panel cannot be assumed to reach the brain.
Study Review: Transcranial LEDs for Chronic Mild TBI (2014)
An 11-person open-protocol study of scalp LEDs in chronic mild brain injury: the dose, the cognitive tests, the missing control group, and the gap to a home panel.
Study Review: Sham-Controlled PBM for Chemo Neuropathy
A 70-patient sham-controlled trial of photobiomodulation for chemotherapy neuropathy. What it measured, what it left unstated, and the gap to a home panel.