cannabis / smoking

Introduction

Instructor welcomes students, comments on the halfway point of the semester.
Acknowledges the recent time change, congratulates students for arriving on time.
Expresses appreciation ("kudos") for students.
Mentions topic focus: Cannabis, an important area of study.

Reiteration of discussion on caffeine; previous slides felt rushed.
Discussed caffeine as a discriminative stimulus.
Caffeine effects can generalize to cocaine at low doses.
Role of dopamine in caffeine effects; caffeine interacts with adenosine receptors leading to various effects.
High dose caffeine can resemble cocaine effects, can lead to rapid tolerance and withdrawal symptoms.
Observations of caffeine use as a common substitute for illicit drugs.
Withdrawal symptoms can include headaches, lethargy, irritability, which can last days.
Studies show caffeine is often reinforcing to both addicted and non-addicted users.

Tolerance can develop up to 6 times normal levels in low naive users versus habitual users.
Withdrawal starts 12-28 hours post last consumption, lasting between 2 to 9 days.
Signs of withdrawal include severe headaches, fatigue, low concentration.

Discussion transitions from caffeine to cannabis, a major area of personal research.
Introduces different forms of cannabis: phytocannabinoids (e.g. THC, CBD) and their impacts on users.

Phytocannabinoids: Cannabinoids derived from plants.
- THC: Delta-9-tetrahydrocannabinol, the primary psychoactive ingredient in cannabis.
- CBD: Cannabidiol, another important cannabinoid, known for its medicinal properties but less understood psychoactive effects.

Endocannabinoids: Cannabinoids naturally produced within the body (e.g., Anandamide).
Role of the endocannabinoid system and its link to cannabis effects.

Synthetic cannabinoids can be harmful; they do not possess the same safety profile as natural cannabinoids.
Examples of synthetic cannabinoids and their legal context.

Cannabis use dates back approximately 5000 years with significant historical usages documented.
Indian tradition has longest continuous cannabis use, intertwined with culture and religion.
Cannabis has been used medicinally and recreationally across cultures.

Modern cultivation has increased THC levels via selective breeding, raising historical debates about potency change.
Discussion on cannabis use in festivals, such as Holi in India, and its cultural significance.

Explanation of how cannabinoids operate in the body, particularly on the brain.
Cannabis acts on the cannabinoid receptors (CB1 and CB2) affecting various body functions, including mood and pain sensation.
Discussion on therapeutic applications of THC and CBD: pain relief, anxiety management, insomnia.

Evaluation of various medical conditions cannabis can help alleviate, including cancer-related symptoms, anxiety, chronic pain.
Discussion on the safety profile of cannabis. Speculates on common misconceptions and stigma surrounding its use.
Importance of controlled research and evidence-based approaches in determining therapeutic potential.

Discussed cannabis dependence regulations and patient experiences with withdrawal.
Presentation of data showing use patterns among various demographics including adolescents and medical users.

Review of literature linking cannabis use and the risk of psychiatric disorders, particularly focusing on schizophrenia.
- Importance of recognizing individual risk factors.

Instructor highlights some of the complex societal implications associated with cannabis use and legislation.
Emphasizes the importance of harm reduction strategies.
Discussion involves personal reflections and real-world applications of cannabis use in society.