Close Smoking Marijuana Diminishes IQ kiii , KIII 7:45 AM. CDT August 30, 2012 CONNECT TWEET LINKEDIN GOOGLE+ PINTEREST Smoking and eating weed makes you dumb. A new medical study is confirming what many advocates against marijuana have been claiming for years.Dr. David Blanchard explained why it depends when you use it. CONNECT TWEET LINKEDIN GOOGLE+ PINTEREST JOIN THE CONVERSATION To find out more about Facebook commenting please read the Conversation Guidelines and FAQs Leave a Comment More Stories CCRTA Hosts Public Transit Scavenger Hunt Aug 27, 2016, 1:27 p.m. Boy Scout Donates Eagle Scout Project to Local… Aug 27, 2016, 12:20 p.m. Baby Found Dead at Flour Bluff Trailer Park Home Aug 27, 2016, 11:07 a.m.