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Marijuana Use Facts: Education into Action

The Needham Health Dept. details the consequences of marijuana use as part of its "Education into Action" series.

Marijuana, made up of dried parts of Cannabis sativa, the hemp plant, is the most commonly used illicit drug in the United States. Marijuana possession was de-criminalized after Massachusetts residents overwhelming approved the passage of Question 2: Marijuana in 2008.

This law, effective January 2009, reclassified possession of less than one ounce of marijuana from a criminal to a civil offense resulting in a $100 fine. Many experts believe this legislation has resulted in a decrease in the perception of risk and harm and an increase in marijuana use among adolescents.

Adolescent Marijuana Use

According to the 2008 Metrowest Adolescent Health Survey (MWAHS), 33% of Needham High School students reported using marijuana in their lifetime and 24% reported use during the last 30 days. These self reported marijuana use rates are consistent with the rates of use reported by teens in the 22 communities participating in the 2008 MWAHS.

What are the Facts and Consequences?

Marijuana use is harmful to adolescents physically, psychologically and social/emotionally. Experts agree that marijuana smokers are susceptible to the same health problems as tobacco smokers. Such risks include lung infections such as bronchitis, emphysema, bronchial asthma, and an increased opportunity for neck, head and lung cancer later in life. Over 400 different chemicals have been found in marijuana smoke, largely attributed to high levels of tar, with 50-70% more carcinogenic hydrocarbons than tobacco smoke.

A myriad of research disseminated through the National Institute on Drug Abuse (NIDA) and The White House Office of National Drug Control Policy (ONDCP) provides a clear correlation to increased incidences of depression, anxiety, suicidal thoughts, addiction and schizophrenia in young people who use marijuana.*

    * Weekly or more frequent use of marijuana can double a teen's risk of depression and anxiety. Teens who smoke marijuana when feeling depressed are also more likely to become addicted to marijuana or other illicit drugs.

    * Eight percent of depressed teens abused, or became dependent, on marijuana during the year they experienced depression compared with only three percent of non-depressed teens.

    * Daily use of marijuana among girls is associated with a fivefold increase in the odds of developing depression and anxiety.

    * Delta-9-tetrahydrocannibol (THC), the main psychoactive ingredient in marijuana that determines potency, has risen dramatically since the 1970's with potency studies indicating up to a fivefold increase.

    * Smoking marijuana causes some changes in the brain that are similar to those caused by cocaine, heroin, and alcohol. Heavy or daily use of marijuana affects the parts of the brain that control memory, attention, and learning.

    * Teenagers, ages 12 to 17 who smoke marijuana weekly, are three times more likely to have thoughts of committing suicide, and those who have used marijuana in the past year experience increased incidences of anxiety and panic attacks.

    * Marijuana is addictive. More teens are in treatment with a primary diagnosis of marijuana dependence than for all other illicit drugs combined.

    * Several studies have documented marijuana's link with symptoms of schizophrenia and report that marijuana is an independent risk factor for schizophrenia. Heavy users of marijuana at age 18 increase their risk of schizophrenia later in life by six times.

    * Marijuana use increases the risk of developing schizophrenia among people with no prior history of a disorder, and early use of marijuana (age 15 vs. age 18) increases the risk even more. Youth with a personal or family history of schizophrenia are at an even greater risk of marijuana-induced psychosis.

    * Longitudinal research on marijuana use among young people, below college age, indicates those who use have lower academic achievement than non-users, more acceptance of deviant behavior, more delinquent behavior and aggression, greater rebelliousness, poorer relationships with parents, and more associations with delinquent and drug-using friends.

What Can Parents Do? Education into Action

Get educated; the facts and statistics are powerful! Knowledge is power for you and your family members in regard to choosing to use marijuana. Talk to your adolescent about the risks and potential harm of marijuana use, share the facts and the science related to the physical, psychological, and social/ emotional effects of use. Two thirds of youth ages 13-17 say losing their parents' respect and pride is one of the main reasons they do not smoke marijuana or use other drugs.   Establish clear guidelines, monitor your adolescent's activities, communicate consequences for substance use and follow through on enforcement to reduce repeated use incidences. Reach out for help if needed, your commitment to your teen will make a difference!

Who Can Help?

Feelings of isolation and confusion often engulf parents who are coping with an adolescent who is abusing marijuana, leaving parents to navigate the myths and facts of marijuana use on their own. The Needham Public Health Department (NPHD) is committed to supporting the overall wellness of Needham families.  During the last year, our department has responded to numerous inquiries from concerned parents regarding their adolescents' use and abuse patterns of marijuana. We have worked confidentially with parents, providing factual information and resources on the risks and harm of marijuana use by teens, as well as guidance and support in developing a plan to reduce this high-risk behavior as they secure intervention and/or treatment resources for their teenager.

The NPHD encourages parents to pursue professional clinical support for assessment and a treatment plan for their teen though a variety of local substance use assessment and treatment focused centers such as: Children's Hospital Adolescent Substance Abuse Program (ASAP), Addiction Recovery Management Services (ARMS) at Massachusetts General Hospital, and Sameem Associates. After an experienced clinical assessment, parents are equipped to make an informed decision regarding their teen's treatment plan and how to incorporate family strategies to ensure structure in the home to keep teens healthy and safe.

Log onto the websites listed below to obtain factual information on marijuana and strategies for talking with your adolescent. For further information contact Carol Read, Substance Abuse Prevention & Education Coordinator, Needham Public Health Department 781-455-7500 (Ext.259) cread@needhamma.gov.

*Research citations available upon request

Kevin Sterling August 31, 2010 at 03:45 PM
The youth in Holland experiment with cannabis at 1/2 the rate of US youth. It's a consistent finding in the surveys that youth have more trouble getting drinking alcohol than to obtain cannabis. Drug dealers don't have any age restrictions for their customers. This last Household survey found for the first time that US youth experiment with tobacco less than cannabis.Once again age restrictions have proven their value, and educating people with actual facts rather than hysterical propaganda is effective. The US has more than halved the use of tobacco across the board without making the product illegal for adults. All signs that prohibition is an utter failure and a huge, very expensive boondoggle. If you really were concerned about youth use you would support the re-legalization of cannabis with strict age controls. Trotting out bogus claims like the pot causes schizophrenia scam backfire when youth realize that they've been lied to. The rate of schizophrenia has been fairly consistent over the last 100 years, while the use of cannabis skyrocketed. On does not introduce an actual causal factor for any disease into a population and not see any significant increase in what is supposed to be caused. It actually seems to me that youth are less likely to fall for propaganda than adults. The ONDCP is mandated by Congress to lie if necessary to keep people from believing that there's anything good about cannabis. http://www.drugwarrant.com/articles/drug-czar-required/
JH2 August 31, 2010 at 04:31 PM
Wow! This piece is a great example of how "public health" government officials have been given way to much power in our society. This piece is a parade of outdated lies! A wealth of scientific evidence has come out in the last 20 years showing that: - Even heavy, long-term use of cannabis is FAR safer than alcohol or tobacco use. Approximately 100,000 people per year die of alcohol-related causes in the US, 400,000 by tobacco. Cannabis use has never caused a death either through long-term use or overdose! - It does not cause cognitive or physical decline, even in the long term. It's been discovered that all humans have an endogenous cannabinoid system. Cannabis is completely non-toxic on the liver and kidneys, unlike most over the counter and prescription drugs. Discoveries have shown that cannabis actually acts as a neuroprotective agent in the body - research shows that it can slow down or halt the progress of diseases such as Alzheimers, Parkinson's, ALS and many others. Recent studies have shown that heavy, lifetime smoking of cannabis DOES NOT increase the odds of lung cancer. Studies have shown that cannabis use actually decreases the odds of getting head or neck cancer. Take a look and above all, don't listen to government bureaucrats - think for yourself! http://www.alternet.org/story/148013/ http://www.ncbi.nlm.nih.gov/pubmed/17035389?ordinalpos=1&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsPanel.Pubmed_DefaultReportPanel.Pubmed_RVDocSum
JH2 August 31, 2010 at 04:33 PM
Here's a better link for the Tashkin study, which showed cannabis DOES NOT cause lung cancer....... http://cebp.aacrjournals.org/content/15/10/1829.long
BigJ January 16, 2013 at 09:57 PM
Was 90% of this pulled out of your ass? GET EDUCATED! www.facebook.com/legalizeitminnesota

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