Psych: Tobacco, Marijuana, and Cannabidiol Flashcards
What are the benefits of vaping over smoking?
Less expensive Tastes better Fingers don't stink Teeth whiter smell and taste improves No need to go outside Less damage to lungs Looks improve
Overall, lots!
Concerns for vaping?
Nicotine addiction
-can harm developing brain
How does nicotine change your brain and what is the result?
Prefrontal cortex at harm, neuroplasticity is impaired
-responsible for executive functioning
- increase in risk taking, impulsivity, and novelty seeking behavior
- Decrease in learning and memory
How does nicotine cause addiction?
Releases DA in brain, which feeds the reward systems in prefrontal cortex
-basically a vicious cycle where the only thing that brings DA release is more of the substance of addiciton
What is found in the oil of many THC vapes that can cause permanent lung damage?
Vitamin E Acetate
MOA of the devils lettuce (MariJ)?
Stimulates CB1 and CB2
After stimulation of CB1 and CB2 by marijuana, what happens next?
- CB1 and CB2 causes increased Ca++ levels
- Activation of DAG lipase
- DAG lipase makes 2-arachidonoylglycerol (2-AG)
- 2-AG feeds back to pre-synaptic neuron, and causes less NT release
What is dronabinol and what is its MOA?
Oral Synthetic Δ-9-THC, that mainly works via CB1 receptors
What is the effect of dronabinol?
Analgesia
Increased Appitite
Muscle relaxation
Hormonal actions
Clinical indication for dronabinol?
Anorexia in AIDs pts
Chemo induced Nausea/Vomiting
What is nabilone?
THC capsule
-for chemo N/V
What are the adverse effects of dronabinol and nabilone?
Impairs judgement and coordination Sedation Dry mouth Bloodshot eyes Tachycardia Depression
Besides appitite and nausea, what else can cannabis be used for?
Chronic pain
Anxiety
MS (spasticity)
Why is fatty acide amide hydrolase (FAAH) of interest to big pharma?
A scottish woman with FAAH mutation experiences little anxiety or fear, is insensitive to pain, and heals quickly
Lucky her
How is cannabidiol (CBD) different than THC?
It contains a hydroxyl group instead of a cyclic ring