Marijuana has been implicated in a high percentage of automobile crashes and workplace accidents. Therefore the risk of lung cancer for marijuana smokers than it is for tobacco smokers. Effects Of Pot Long Term Effects Of Weed Dangers Of Marijuana Smoking anything whether its tobacco or marijuana can seriously damage your lung tissue Smoked marijuana contains cancer-causing compounds. Disadvantage of smoking weed . There are over 4000 chemicals which can be damaging to the smokers body. Regular marijuana smoking is linked to increased risk of chronic cough but it is unclear whether smoking marijuana worsens lung function or increases the risk of chronic obstructive. Your heart blood vessels lungs and fertility are all negatively affected by smoking and the chemicals in cigarettes. The ingredients of tobacco smoke are chemically active. If you experience dry mouth the risk of cavities and gum disease increase. Smoking can also cause a variety of GI diseases including peptic