ibs and anxiety what do you think

So i have ibs and anxiety.I have read it can help with pains and anxiety but don't know how to ask the parents for it.I would much rather smoke than take pills with side effects that could make me feel worse or something.Are there speacial strains that help you get up and go or all of then just make you kinda lazy.Thanks for any help.I live in cali have had problems for 3 years that were never looked into parents thought its all in my head so i don't know if thhis helps any.cause i have read you need documentation right? i am 14 going to turn 15 soon