It also has anti-inflammatory properties, particularly against IL-6 expression. IL-6 is notoriously elevated during the second week or so of COVID-19 symptoms.
He cited the infamous squirrel monkey study without noting that (a) there were no signs of neural death or neurite retraction anywhere, and (b) reduced baseline dopamine levels are exactly what you would expect as part of the mechanism of tolerance.
That study did not establish the existence of neurotoxicity. It merely established the existence of tolerance.
Anonymity also permitted the American Revolution, among other things.
Meanwhile the most prominent example that comes to mind for attempts to end even the pretense of anonymity online is authoritarian China.
And fwiw, most of the other boards on 4chan at least tend to push the more obnoxious sorts of commentary back to /pol/, its 'containment board'.
Twitter likewise tends to isolate communities of extremists, on both sides, simply by virtue of explicit blocking or mere lack of sufficient interest to follow on the part of more balanced participants.
https://www.ncbi.nlm.nih.gov/pubmed/22766077