https://www.engadget.com/2018/01/13/neurostimulation-tdcs-ces/

Wow this is extremely interesting. I'd like to see some more research on long term affects and I'm surprised you can buy this already. FDA coming soon?

I'm guessing this is similar to what you get can from binaural beats which also work great. (brain.fm)

https://www.youtube.com/user/BinauralBeatsDrugs

BOOKMARKED

>binaural beats which also work great.

I've listened to Dr. Jeffrey Thompson's brainwave music since the late 1990s.  It's one of hte few things that keeps my ADHD in check.  I've never heard of brain.fm though...def gonna check that out.