Smoking marijuana does not harm lungs: study says



A US government-funded study has found smoking marijuana regularly for up to seven years does not impair lung function. Researchers at the University of …


30 Comments

  1. KEY, UP TO 7 YEARS… IT DOES HARM YOUR LUNGS, JUST ask Willie Nelso! I SMOKE 3_5 GRANS PER DAY IM 52 BEEN SMKING SINCE 16, BEEN SMOKING 3-5 PER DAY FOR 6 YEARS , TRUST ME ITS STARTING TO HURT MY LUNGS, I HAVD BREATHING ISSUES NOW..AND I'M HAVING Z HARD TIME BREAKING UP WIth MARY JANE..The Love Of My Life!

  2. For everyone who is wondering if herb smoke damages your lungs yes it does breathing in smoke leaves carcinogens on your lungs and you will spit up tar and it wont be nice my advice just vape it or do it less problem solved

  3. this is not correct at all i am a marijuana smoker currently ive smoked daily for 14 years and i do belive its has some affect on the lungs your inhaleing smoke thats not what your supposed to out in your lungs also look at the resin 1 joint or bowl puts out all that black tar goes straight into your lungs

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