Photobiomodulation Intention-to-Treat Analysis: ITT vs Per-Protocol
Photobiomodulation intention-to-treat analysis preserves randomization, while per-protocol analysis answers a different question and can introduce selection bias.
Red Light vs Near-Infrared Light 2026: The Surprising Differences
Learn the differences between red light vs near infrared, including penetration depth, common uses, cellular mechanisms, and how to choose the right wavelength.
Red Light Therapy Wavelengths: 3 Things That Matter
Learn how red light therapy wavelengths influence penetration depth, cellular absorption, and why 660 nm and 850 nm are the most common choices in modern devices.
Red Light Therapy Devices Compared: Panels, Masks, Beds, Wraps, Belts, and Handhelds
Types of red light therapy devices range from compact handhelds to full-body beds — and the sheer variety makes it easy to choose wrong. Here’s a clear, honest breakdown of each format so you can match the device to your actual goals.
How to Build a Red Light Therapy Routine That Fits Your Life
Building a red light therapy routine is harder than buying the device — and far more important. Here’s how to match sessions to your goals, avoid the overuse trap, and create a habit you will actually keep for weeks at a time.
Treatment Distance: How Far Should You Sit From a Red Light Panel?
Red light therapy distance is one of the most overlooked settings in any routine — and one of the most consequential. Here’s why where you sit changes your dose, how irradiance falloff works, and how to get it right without guessing.
Treatment Time and Frequency: How Often Should You Use Red Light Therapy?
How often to use red light therapy is one of the first questions people ask — and one of the hardest to answer cleanly. Here’s what the evidence actually supports about session length, weekly frequency, and why more is not always the better choice.
Understanding Irradiance and Dosage in Red Light Therapy
What are irradiance and dosage in red light therapy? Learn how mW/cm2, time, and distance set your dose in J/cm2, and why the biphasic curve matters.
Red Light Therapy for Busy Professionals
Short on time? Learn how busy professionals can fit red light therapy into a packed day with habit stacking, realistic time commitments, and consistency.
Red Light Therapy for Older Adults: Considerations and Cautions
Learn how red light therapy for seniors may fit into a healthy aging routine, important safety considerations, and why professional guidance matters.