
John DeLuca
Founder of Light Therapy Reviews with a background in Management
Information Systems, data analytics, and cybersecurity.
Ohio, United States
Latest Articles by John
-

Red Light Therapy Side Effects: What to Know Before You Start
Are there side effects from red light therapy? An honest look at the risks, precautions, and who should consult a doctor before using a red light panel.
-

Red Light Therapy and Testosterone: What the Research Actually Shows
Does red light therapy increase testosterone? A review of the evidence — animal studies, human data, mechanisms, and practical protocols for men interested in hormonal health.
-

Red Light Therapy for Sleep: Does It Help? The Research Explained
Can red light therapy improve sleep quality? A look at the science — melatonin, circadian rhythm, and what the research shows about using red light at night.
-

Red Light Therapy vs Infrared Sauna: Key Differences Explained
Red light therapy vs infrared sauna — what’s the difference, which one works for what, and can you use both? A clear comparison of mechanisms, benefits, and costs.
-

Red Light Therapy for Joint Pain: Evidence-Based Guide (2026)
Does red light therapy help with joint pain and arthritis? A review of clinical evidence, optimal protocols, and what conditions respond best.
-

Joovv vs Mito Red: Which Red Light Therapy Brand Wins in 2026?
Joovv vs Mito Red — a head-to-head comparison of the two most popular red light therapy brands. Which delivers better irradiance, value, and long-term results?
-

Red Light Therapy for Hair Loss: What the Research Shows (2026)
Does red light therapy regrow hair? An evidence-based review of clinical trials, FDA clearance, optimal protocols, and which devices work best for hair loss.
-

How to Use Red Light Therapy: The Complete Beginner’s Guide
A complete guide to using red light therapy at home — optimal distance, session length, frequency, and what to expect. Everything beginners need to get started.
-

Red Light Therapy for Skin: Does It Really Work?
An evidence-based look at red light therapy for skin health — collagen production, wrinkles, acne, and anti-aging. What the clinical research actually shows.
-

Red Light Therapy Irradiance Claims: Why You Should Be Skeptical of Any Number Over 100 mW/cm²
There are no industry standards for how irradiance is measured in red light therapy. Here’s what the numbers on spec sheets actually mean — and how to evaluate them.
