Sigh. . I 'm going to be honest. I always considered that IQ significant in my life. One's smart quotient needs to mean something. This reached me, suddenly.
Then it hit me. NO.
Reading may not Increase your IQ. Of course, what you thought of reading first might be slightly affected by you IQ. But given so, that can also be worked upon to give vast knowlegde of vocabulary and by reading books you can gain knowledge. Yes it will help you in life .Just find a writing style that inspire you, and read books by authors in that style.