marijuana. what is marijuana???? a mixture of the dried and shredded leaves, stems, and flowers of...
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MARIJUANA
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What is Marijuana????
• A mixture of the dried and shredded leaves, stems, and flowers of the hemp plant.
• Marijuana has a chemical in it called tetrahydocannabinol (THC) which is the mind altering ingredient
• Marijuana is 20-25 times stronger than it was in the 1960’s ( 10 times more THC)
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Marijuana contains about 400 chemicals
• Some of these chemicals may cause lung cancer
• Marijuana has some of the same cancer- causing substances as cigarettes
• Marijuana smokers tend to inhale more deeply and hold their breath longer than cigarette smokers do (more smoke enters the lungs).
• Puff for puff, smoking marijuana may increase the risk of cancer even more than smoking cigarettes does (also at risk for bronchitis)
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• Smoking marijuana may increase the risk of a heart attack– Marijuana increases heart rate and blood
pressure
• The chemicals from marijuana can remain in the body for 45 days.
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What are some common names of marijuana?
• Weed
• Pot
• Grass
• Maryjane
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How is marijuana used?
• Smoked- joint or blunt
• Water Pipe or bong
• Eaten- mixed with food
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How many teens use marijuana?
• As part of a 2002 NIDA (National Institute on Drug Abuse) funded study, researchers asked teens if they had used marijuana in the past month– Of all the 8th graders surveyed, only 8.3% said
yes.
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What are the common effects of smoking marijuana?
• Loss of coordination
• You could forget your best friends phone number
• Watch your grade point average drop
• Get into a car accident
• High doses of marijuana use can cause anxiety and panic attacks
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Addiction
• For some people, smoking marijuana makes them feel good.
• Within minutes of inhaling, a user begins to feel “high.”
• THC triggers brain cells to release the chemical dopamine. Dopamine creates good feelings– for a short time.
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Addiction
• Heres the thing: Once dopamine starts flowing, a user feels the urge to smoke marijuana again, and then again, and then AGAIN!
• Repeated use could lead to addiction.
• (searching for the high)
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• Smoking 3-5 marijuana cigarettes a week can have the same effect on the lungs as smoking 16-18 “regular” cigarettes a day, 7 days a week.
• That is almost a pack a day- every day.
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Short-Term Effects
• Increased Appetite• Altered sense of time• Bloodshot eyes• Dry mouth and throat• Increased heart rate• Loss of balance• Loss of short-term memory• Paranoia
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Long-Term Effects• Weight Gain• Loss of short-term memory• Reduced immune system• Slower mental abilities• Increased risk of throat, mouth, head, and
neck cancers• Lung diseases (emphysema and bronchitis)• Psychological dependence
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How much THC is in marijuana today?
• In 1960, an average marijuana joint contained 0.2% THC.
• Today the level of THC in an average joint is between 5% and 14%