1. Effects of Marijuana
This is because the users body does not already have marijuana in their system, so their body is not used to the reaction, so it might resist. When marijuana has been in your system a couple of times, the brain does not resist it, allowing the mind-altering effects to take place. ... The effect marijuana can have on the brain and central nervous system is very serious. ... It does significant damage to the immune system, and it cans causes early onset of cancer of the head, neck, esophogus, and lungs. The damage to the immune system can cause the user to get pneumonia or a chest cold etc....
- Word Count: 1469
- Approx Pages: 6
- Grade Level: High School