ANSWERS
Honest Answers About Light
What this is
Straight, evidence-based answers to the questions people actually ask about red light therapy — graded by the science, transparent about what we make, and honest about where red light stops and the rest of the sun begins.
Does red light therapy really work?
An honest, evidence-tiered answer — graded by use case, with what Reddit gets right and wrong.
Is red light therapy worth it?
A cost-vs-evidence breakdown: clinic sessions vs a home device, and when the maths makes sense.
Do blue-light glasses work?
What the research really says about evening sleep vs daytime eye strain — yellow by day, red at night.
What actually makes a red light panel good?
A criteria-based buyer's framework — irradiance, wavelengths, flicker, EMF — not a paid ranking.
Is red light therapy a scam?
Where the science is solid, where the marketing overreaches, and how to tell the difference.
Red light therapy with UV — why it matters
Why red and near-infrared alone aren't the sun, and what UV adds to a full-spectrum signal.
Red light therapy questions people ask
Quick, honest answers to the most common questions — dose, timing, safety and results.
Educational and wellness information, not medical advice. The studies referenced describe research findings; they are not claims that any device treats, cures or prevents disease.