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The Real Deal on Marijuana Cannabis Pot, herb, weed, grass, widow, ganja, hash, dank, mota/moto, hierba, pasto, etc. STRUCTURE OF THE ACTIVE REAGENT THC Concentration is Different in Various Preparations of Marijuana “Ordinary” marijuana ~3\%

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Presentation Transcript
cannabis
Cannabis
  • Pot, herb, weed, grass, widow, ganja, hash, dank, mota/moto, hierba, pasto, etc.
slide4
THC Concentration is Different in Various

Preparations of Marijuana

  • “Ordinary” marijuana ~3%
  • Sinsemilla (seedless female plant) -7.5% average, up to 24%
  • Hashish (cannabis buds)- 3.6% average, up to 28%
  • Hash oil (non-polar extract of marijuana or hashish)- 16% average, up to 43%
slide5
Cell Biology: Marijuana is a drug that binds receptors

on cell membranes

marijuana

Binding of the drug to the receptor

causes changes within the cell

receptor

Structural changes

Functional changes

cell

effects of smoking cannabis
Effects of Smoking Cannabis
  • Euphoria followed by tiredness, passivity
  • Eye reddening (a hallmark)
  • Increased heart rate, dry mouth and eyes
  • Dizziness
  • Defects in short-term memory and cognition
  • Lung Disease
  • Hormone abnormalities (gynecomastia)
slide7
Pathway Of Marijuana In The Body

lips/mouth

inhale

marijuana

lungs

bloodstream

brain

other organs/

tissues

heart

slide8
Normal Lungs and Physiology

Lungs are the site of gas exchange: oxygen enters blood and

carbon dioxide leaves blood

slide9
Marijuana Damages the Lungs
  • Marijuana contains tar, carbon monoxide, and
  • carcinogens that damage the lungs
  • Marijuana smoke contains 50 to 70% more toxic chemicals
  • than tobacco smoke
  • Marijuana use increases the risk of lung disease
slide10
Diseased Lung

Healthy Lung

the heart i
The Heart I

Right side of heart pumps blood to the lung where it picks up oxygen; left side of heart pumps blood to the entire body.

marijuana harms heart function
Marijuana Harms Heart Function
  • Increases heart rate (tachycardia)
  • Vessels dilate (enlarge), disturbing heart

function

slide14
Marijuana Affects the Brain
  • Marijuana Acts On :
  • Cerebellum (coordination)
  • Basal ganglia (motor)
  • Hippocampus (memory)
slide15
Marijuana Can Cause Brain Damage
  • Loss of short-term memory
  • Cognitive deficits
  • Apathy
medical marijuana
Medical Marijuana
  • THC is available by prescription (Marinol)
  • Antiemetic (prevents vomiting)
  • Glaucoma
  • Muscle relaxant
contact information
Contact Information

Adolescent Counseling Services

http://www.acs-teens.org

650-424-0852 or 650-424-9853 (Fax)

4000 Middlefield Road Rm FH, Palo Alto, CA 94303

Stanford Chapter of Student National Medical Association

http://snma.stanford.edu

Aileen Green

[email protected]

ChaRandle Jordan

[email protected]

650-497-9287

slide19
References for Images

http://www.oconeelaw.com/.../ marijuana/blunt.jpg

http://www.netdoctor.co.uk/focus/heart/index.shtml

cannabis.gif (chemical structure of THC)

 http://www.toxlab.co.uk/cannabis.htm 

man.gif (smoking stick figure) 

http://www.colostate.edu/Depts/ NatSci/html/Major8.html 

Lungs.jpg (schematic of lung) 

http://www.alpha1.org.uk/COPD/ Illness/the_lung.htm 

Lung Blood -air barrier copy W... (schematic of gas exchange in alveolus) 

http://www.education.vetmed.vt.edu/.../EXAMPLES/ exgasbarrierdiag.htm 

clean_lung_hr.jpg (healthy lung) 

http://www.lungusa.org/learn/ art/clean_lung_hr.jpg 

diseased_lung.jpg (diseased lung) 

http://www.lungcancer.org/images/patients/ lungs/diseased_lung.jpg 

 bc47.jpg (sagittal brain) 

http://www.cns.georgetown.edu/ medneuro/lab1/ 

brain.jpg (side view of head and brain) 

http://www.bbc.co.uk/schools/ parents/

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