It's even worse. One joint affects the lungs as much as four cigarettes. Research confirms you can become hooked on marijuana. However, scientific research has not yet confirmed these benefits and more research on this topic is being done. What is known is that smoking marijuana can cause lung damage.
Smoking can actually increase feelings of stress and nervousness.
There is no safe form of tobacco. Smokeless tobacco can cause mouth, cheek, throat, and stomach cancer. Smokeless tobacco users are 50 times more likely to get oral cancer than non-users. Those smokeless tobacco users who don't develop some type of cancer are still likely to have signs of use, like stained teeth, bad breath, and mouth sores. Only if you think bad breath, smelly hair, yellow fingers, and coughing are sexy.