I didn't watch the youtube presentation. The subject is about depression. I got good results with acetylcysteine (NAC).
<a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3044191/" rel="nofollow">https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3044191/</a>
Note: This video is from the game developer Jonathan Blow.<p><a href="https://en.wikipedia.org/wiki/Jonathan_Blow" rel="nofollow">https://en.wikipedia.org/wiki/Jonathan_Blow</a>