Cannabis tends to cause an increase in heart rate, reddening of the eyes, and dryness in the mouth. While some people use cannabis regularly, cannabis does not create a physical dependence and users do not experience withdrawal symptoms. Smoking anything, including cannabis, can damage the lungs, throat, and mouth. I narcotic, and getting caught with it can lead to serious consequences. Cannabis slows down reaction time and impairs driving.
Some people feel uncomfortable, nauseous, or paranoid after using cannabis.