Hacker News Reader

You probably already know this, but just to clarify, LSD flashbacks are not biological, but psychological, similar to Vietnam flashbacks or other PTSD inducing events.

View on HN

Really? I didn't know that.

The "flashback" that they talk about in DARE is a sympton of PTSD. http://en.wikipedia.org/wiki/Hallucinogen_persisting_percept... is more common in heavy users.

Reply on news.ycombinator.com