Essay by EssaySwap ContributorCollege, Undergraduate February 2008

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MARIJUANA'S SHORT AND LONG TERM EFFECTS ON THE BRAIN Millions are abusing marijuana every day. In fact, 1 out of 7 high school students smoke marijuana more than once a day. Marijuana is taken very lightly and is the most highly used illegal drug. For this reason, society should know its short and long term effects on the brain.

Marijuana can effect these two areas emotionally or physically. Also in some cases physical damages causes the emotional response. Although most public information on drugs are funded by anti-drug organizations, hopefully we will still learn these true facts of marijuana in spite of that.

The brain is the most complicated part of the human body. I will begin explaining certain parts and their functions. In doing this to I hope to give a better understand of our brain while implicating the possibilities of chemical induced complications "The brain with its 15 billion neurons and nerve cells operates using chemical and electrical messages: (Swanson, 1975).

This is how we perceive our senses. Differences in the way our brain translates these messages can impair perceptions. Hallucinogens prevent the brain from receiving all of these messages in order. All of the information that we receive is through millions of transactions of neurons, like a computer, marijuana alters these transactions.

After smoking, or consuming marijuana, it is distributed in the brain. The concentration of marijuana in the brain may be governed by an active transport process in the choroid plexus network of blood vessels in the brain which regulates intraventricular pressure by absorption and secretion of cerebro spinal fluid. one scientific experiment it gave an example of how the distribution of marijuana in the central nervous system could effect man. At a high dose of 30 mg./kg. marked sedation and pronounced motor incoordination peaked at...