When you’re chemically dependent on marijuana, it means you crave it and you need to use more and more to get the same effect. You may have withdrawal symptoms, such as depressed feelings, trouble sleeping or nausea, when you stop using it. Because marijuana is a lot stronger now than it used to be, people are also more likely to abuse it and become dependent on it than they were in the past.

Many people use legal drugs like alcohol or cigarettes before they start using marijuana. Marijuana is the most commonly used illegal substance in the United States. It’s often the first illegal drug a person will try. Sometimes marijuana use leads to the use of other illegal drugs.

The following are some of the common physical effects of marijuana:

Tremors (shaking)



Coordination becoming worse

Breathing problems

Increased appetite

Reduced blood flow to the brain

Slows down reaction time

Makes a person sleepy

Paranoia (feeling that people are “out to get you”)

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Community Narcotics Enforcement Team