Key differences, features, and comparative analysis of Drug Class and Source.
| Drug Class | Source | Example | Effect |
|---|---|---|---|
| Opioids | Latex of poppy plant Papaver somniferum | Heroin (smack / diacetylmorphine) | Binds opioid receptors in CNS & GIT; depressant — slows body functions; taken by snorting/injection. |
| Cannabinoids | Inflorescences of Cannabis sativa | Marijuana, hashish, charas, ganja | Interact with cannabinoid receptors in brain; effects on cardiovascular system; taken by inhalation/oral. |
| Coca alkaloids | Erythroxylum coca (South America) | Cocaine (coke/crack) | Interferes with dopamine transport; stimulates CNS; euphoria, increased energy; excessive dose → hallucinations. |
This comparison table is part of the chapter notes for Human Health & Disease. Get complete notes, flashcards, active recall sheets, and test prep modes: