Marijuana is the most commonly use illicit drug in the United States. You may have heard it called pot, weed, grass, ganja or skunk, but marijuana by any other name is still a drug that affects the brain. It makes others more aware of their physical sensations, and it has still more effects on other people. All these different changes are carry through by chemicals that affect the brain. More than 400 chemicals are in the average marijuana plant. When smoked, heat produces even more of them. Use of marijuana affects the parts of the brain that control memory, attention and learning. It can also affects some different parts of our body to reacts different ways.
             Marijuana use can effects your mental and physical health. It can be harmful to the mind, body, and soul of a person. Depression, anxiety, and personality disturbances are all associated with marijuana use. Research clearly demonstrates that marijuana use has potential to bring problems in daily life or make a person's existing problems worse. Because marijuana compromises the ability to learn and remember information, the more a person uses marijuana the more he or she is likely to fall behind in accumulating intellectual, job, or social skills. For example, there are many reasons why some children and young teens start smoking marijuana. Most young people smoke marijuana because their friends or brothers and sisters use marijuana and pressure them to try it. Some young people use it because they see older people in the family using it. Others may think it's cool to use marijuana because they hear songs about it and see it on TV and in movies. Some teens may feel they need marijuana and other drugs to help them escape from problems at home, at school, or with friends.
             The immediate effects of marijuana use can include blood-shot eyes, distorted perceptions of sight, sounds, time, and touch. It also include increased heart rate, blood pressure, and dryness of the mou...