42 hours into cold turkey quit. been in a profound brain fog since. was constantly/consistently (while awake) taking in 25mg salt nic. this is pretty crazy stimulation when you do it so often. trying to read now is like fighting a battle w fog. will be attention/retention get better? did stimulating it w nicotine so often for so long do permanent damage? (i'm young btw) not to mention the void it left feelin like pic related.