interesting article on a non-drug approach


Cranial Electrotherapy Stimulation: A Non-Drug Neuromedical Treatment

TES is Transcranial Electrical Stimulation:
a current is directly applied to the skull for various purposes.
more TES studies:
The mechanism of action TES

TENS is Transcuteous Electrical Nerve Stimulation
application of electrical current through the skin (usually for pain control)

CES is Cranial Electrical Stimulation.
Cranial Electrotherapy Stimulation: A Non-Drug Neuromedical Treatment | Brain Blogger