What chemical substance did these people post-encephalitis patients seem to stop producing

Question

From the movie awakening

Asked by Maria H #938613 on 10/11/2019 3:11 PM

Last updated by Jose G #1078693 on 11/20/2020 3:26 PM

Answered by Jose G #1078693 on 11/20/2020 3:26 PM

No