Immediate resolution of stroke pain after treatment by Edward Tobinick, M.D., February 12, 2020.

Anyone who puts supposed scientific research results on YouTube instead of a valid and vetted research journal is not to be trusted. My opinion only but google Dr. Edward Tobinick reviews.  And read this:

Another Lawsuit To Suppress Legitimate Criticism – This Time SBM

The YouTube here:

Immediate resolution of stroke pain after treatment by Edward Tobinick, M.D., February 12, 2020.