Came across this video, and thought it might be of interest to some, as some practices and experiments (darkroom) of Mantak Chia have been discussed here a few times.

[YOUTUBE][MEDIA=youtube]N0Szqxcbk-8[/MEDIA]

Basically he claims that using psychedelics drains your "jing" energy, which in taoism is essentially the "life force"/depletes a lot of energy. I have seen this believe expressed by Taostic Teachers before.

Any thoughts on this?