From what I've read, marijuana weakens your immune system. It could be government bullshit, so don't take my word for it.

I do know, however, that smoking anything can hurt your respiratory system a bit.
gjpop2000 Reviewed by gjpop2000 on . why i smoked alot on friday, prolly about a quarter oz of middies in one sitting between 2 ppl, the next day i started feeling sick and just got sicker every day, coughing, sneezing, runny nose etc... this isnt the first time ive gotten sick after smoking alot, why does this happen? anything i can do to prevent it? ever happen to anyone else? i smoked out of a big 1.5 foot glass on glass zong and a 6 inch bubbler, which are both mine btw :D :smokin: Rating: 5