A while back mybe 4-5 weeks ago i started to develope mucus in my lungs and have been caughing it up, it seems to be getting less and less but is still there i have been taking mucinex which seems to help some. but when i run or engage in physical activtity i caugh. i ocasionaly participate in recreational marajuna which i have stoped mybe 2 weeks ago. i am just wondering if i have bronchities or what. thank you