Here's a list of the 13 cannabis essays that appear in our textbook...
Seeing how altered states of consciousness can help our ordinary state of consciousness...reincorporating the tradition of shamanism into modern medicine... recognizing the capacity of psychedelics to both heal sickness and promote transcendence of conventional thinking...admitting some limits of objective science in the realm of working with mind and matters more spiritual in nature, and so forth.
In any case, as one who's been writing and talking about his experiences with cannabis for over 25 years now--contemplating its life-saving effects on my mind, mood, and attitude...philosophizing on the herb's various merits, benefits, and risks--I feel at this point I've said just about everything I want to say on the subject. However, there is one more essay, or at least abstract, I might like to write on the topic of cannabis overdose and the notion of CODE Green...
In reading Michael Pollan's new book, How to Change Your Mind (published in 2018, the same year as mine). I find it interesting and validating to learn that many of the ideas, models, and approaches I put forth in these essays are supported by the recent work of more conventional investigators. Of course those researchers are mainly looking at more powerful "mind-manifesters" like LSD and psilocybin, but the basic ideas remain the same: