The study of consciousness that can extend beyond the body is extremely important for the issue of survival, since it is this part of human personality that would be likely to survive death.
There are people who can start having very powerful experiences without taking psychedelics. It can happen against their will. This is a universal phenomenon.
Traditional academic science describes human beings as highly developed animals and biological thinking machines. We appear to be Newtonian objects made of atoms, molecules, cells, tissues, and organs.
When you read the psychedelic literature, there is a distinction between the so-called natural psychedelics and synthetic psychedelics that are artificially produced.
For any culture which is primarily concerned with meaning, the study of death - the only certainty that life holds for us - must be central, for an understanding of death is the key to liberation in life.
A radical inner transformation and rise to a new level of consciousness might be the only real hope we have in the current global crisis brought on by the dominance of the Western mechanistic paradigm.