It seemed like such a simple treatment, that it should be relatively easy to test more widely... But whenever I've searched, I've not seen an update. For those

It seemed like such a simple treatment, that it should be relatively easy to test more widely... But whenever I've searched, I've not seen an update. For those who haven't listened to the podcast, the treatment is effectively just being exposed to a 40Hz (IIRC) flashing light. Which sounds surprisingly simple.