Is it actually possible to increase your IQ?

No.11670504 ViewReplyOriginalReport
>inb4 people with an IQ lower than 90 claiming that IQ is bullshit

My IQ tests showed that I have an IQ of 109 which is average but I hate mediocrity and I want to increase my IQ. I tried playing chess, tetris, dual-n-back everyday while also meditating and doing cardio what else can I do?