I have had Hydrocephalus since I was born and am now in my 20s

Not to deviate from the subject of this post, but I'm a avid concert goer and musician and have always wondered if smoking cannabis at a concert would harm my brain anymore than it would another one of my friends being that I have a shunt. I know that medical cannabis is much safer than anything "off the street" so to speak but then again......

What are all of your thoughts on this matter? Thanks.