Alzheimer’s light therapy

An article published in New Scientist today suggests that light therapy may help in the treatment of Alzheimers. There are many caveats around it, it’s only been tested in mice and only seemed to benefit the visual cortex, not other areas of the brain. So the chances of it working on humans are perhaps slim, however the experiment was rather straight forward and low risk. It just used a 40hz light source which is easily recreated on a computer, so I thought it would be cool to build a little page that simply generates a 40zh flash from black to white. If you suffer from Epilepsy then it’s obviously a bit risky so I put a warning on the page before it starts. It’s only roughly 40hz as the timer in the browser isn’t all that accurate – so for that reason alone this is probably useless.

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