PSA for fellow keyboard warriors: read old books, exercise, be human. This will take awhile and your brain is the most valuable asset you have. User GezaCsath, in the Donald J. Trump For President subreddit, 09 Jun 2019
TIL there is such a thing as an internet addiction disorder which can cause abnormalities in the brain. User nid11, in the Today I Learned (TIL) subreddit, 03 Jan 2013
PLoS ONE: Microstructure Abnormalities in Adolescents with Internet Addiction Disorder User Dasweb, in the Reddit Science subreddit, 23 Jun 2011