For some people, smoking marijuana makes them feel good. Within minutes of inhaling, a user begins to feel “high,” or filled with pleasant sensations. THC triggers brain cells to release the chemical dopamine. Dopamine creates good feelings—for a short time.
"Many people don't realize that while marijuana, as many illegal drugs, may make you feel good for a while, in the long wrong, marijuana usage can have serious effects," comments Mary Rieser, Executive Director for Narconon Drug Rehab Georgia. "The facts pertaining to marijuana usage are quite clear- marijuana usage can cause serious problems, including drug addiction and the elevated chance of abusing other drugs."
Imagine this: You're in a ball game, playing out in left field. An easy fly ball comes your way, and you’re psyched. When that ball lands in your glove your team will win, and you’ll be a hero. But, you’re a little off. The ball grazes your glove and hits dirt. So much for your dreams of glory.
Such loss of coordination can be caused by smoking marijuana. And that’s just one of its many negative effects. Marijuana affects memory, judgment, and perception. Under the influence of marijuana, you could fail to remember things you just learned, watch your grade point average drop, or crash a car. Some people may suffer sudden feelings of anxiety and have paranoid thoughts—which is more likely to happen when higher doses are used or when it is taken orally. The problem is that it’s difficult to tell what the effects of marijuana will be for any given person at any time, becional ause they vary based on the person, their drug history, how much marijuana is taken, and its potency. Effects can also be unpredictable when other drugs are mixed with marijuana.
Also, since marijuana can affect judgment and decision making, using it can lead to risky sexual behavior, resulting in exposure to sexually transmitted diseases, like HIV, the virus that causes AIDS.
What Are the Short-Term Effects of Marijuana Use?
problems with memory and learning
distorted perception
difficulty thinking and solving problems
impaired coordination
increased heart rate
THC Impacts Brain Functioning
THC is up to no good in the brain. THC finds brain cells, or neurons, with specific kinds of receptors called cannabinoid receptors, to which it binds.
Certain parts of the brain have high concentrations of cannabinoid receptors. These areas are the hippocampus, the cerebellum, the basal ganglia, and the cerebral cortex. The functions that these brain areas control are the ones most affected by marijuana.
For example, THC interferes with learning and memory—that is because the hippocampus—a part of the brain with a funny name and a big job—plays a critical role in certain types of learning. Disrupting its normal functioning can lead to problems studying, learning new things, and recalling recent events. The difficulty can be a lot more serious than forgetting if you took out the trash this morning, which happens to everyone once in a while.
Do these effects persist? We don’t know for sure in humans, but studies in rats show that exposure to THC for a long period of time can damage neurons in the hippocampus. So, is it really worth the risk?
Smoking Marijuana Can Make Driving Dangerous
The cerebellum is the section of our brain that does most of the work on balance and coordination. When THC affects the cerebellum’s function, it makes scoring a goal in soccer or hitting a home run pretty tough. THC also affects the basal ganglia, another part of the brain that’s involved in movement control.
These THC effects can cause disaster on the highway. Research shows that drivers on marijuana have slow reaction times, impaired judgment, and problems responding to signals and sounds on the road. Studies conducted in a number of localities have found that approximately 4 to 14 percent of drivers who sustained injury or death in traffic accidents tested positive for delta-9-tetrahydrocannabinol (THC), the active ingredient in marijuana.
Marijuana Use Increases Heart Rate
Within a few minutes after inhaling marijuana smoke, an individual's heart begins beating more rapidly, the bronchial passages relax and become enlarged, and blood vessels in the eyes expand, making the eyes look red. The heart rate, normally 70 to 80 beats per minute, may increase by 20 to 50 beats per minute or, in some cases, even double. This effect can be greater if other drugs are taken with marijuana.
Source: teens.drugabuse.gov
“Someone suffering from marijuana addiction needs as much help as someone suffering from any other drug addiction,” comments Ms. Rieser. “Get them the help they need.”
If you or someone you know is struggling with an marijuana or other drug problem, contact Narconon today for immediate assistance. Visit www.drugsno.com or call 1-877-413-3073.
Copyright © 2009. Narconon of Georgia Inc. Call 1-877-413-3073. All rights reserved. Narconon and the Narconon Logo are trademarks and service marks owned by the Association for Better Living and Education International and are used with its permission.
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