The libraryCalm

Transcranial photobiomodulation

A dead headset moved depression exactly as far as a live one did.

Also called Transcranial photobiomodulation for major depressive disorder

Who it's forAny man low enough that he's shopping for a gadget to fix it.

Emergency: call 911.

I am not a doctor. This is not medical advice. This is self-education. Talk to a physician who has your history before you change anything.