After I had a query about the effectiveness of LED lights versus laser lights, I wrote a blog post here on the Well Red website.
As noted in the article by Vladimir Heiskanen and Michael Hamblin, the use of lasers is more related to the history of laser development rather than lasers being intrinsically better than other light sources.
In summary, stick with LED lights. They are safe to use and don’t have the health concerns that come with lasers.
Thank you to note thanun on Unsplash for the evocative photo.
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Author: RedlightsontheBrain
Redlightsonthebrain is written by Catherine Hamilton, a retired doctor on behalf of Light Ahead Inc, a Tasmanian-based not-for-profit organisation. Light Ahead Inc aims to help people to learn about neurogenerative diseases and the practical, safe and scientifically-based things that may be able to help. Part of this is to provide low-cost access to red light devices, hence the DIY instructions on this blog. All sales of the Coronet red light device support the work of Light Ahead Inc.
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Red lights on the brain 