Everyone uses all their brain, if you are referring to the old claim that we only use 10%. It is not a good idea to make claims about brain use though when supporting communism.
I know that #LSD consumption activates large parts of the brain & that many people never use LSD so they miss out on this chance to grow consciousness: https://bit.ly/1qjEE1M
Or how about the reaction to my kid, Zoe, planting seeds?
http://imgur.com/gallery/tqc0Z2E/comment/1494788629
Zoe is doing great! Why do you focus on the haters while the sun is shining? Maybe some #LSD can help you to find back to life. It definitely got me out of depression years ago.