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  • Both, actually. The idea that acid stays in your spine is a myth, thanks to a DEA claim back in the 80s. LSD flushes out of your system hours after tripping, a day or two max I believe.\n\nHowever, there definitely has been evidence of a psychological cause of flashbacks. Seeing something that reminds you of the trip, or some aspect from the trip, can bring back other ties to the trip. Much like a PTSD victim presented with something that reminds them of their trauma.

    Submitted by thebrew221 on Oct 29, 10 at 1:10pm
    • I agree with this guy. Also, will you people just do you own research already?

      Submitted by 310/951/805 on Oct 29, 10 at 1:38pm
  • As opposed to a totally not surprising average amount of sparkly shit?

    Submitted by Valkyrie on Oct 29, 10 at 6:44pm
  • It's a fact.. Some people never get them though. Some people can get them several times..they can even occur 20 years after you dropped acid. There has been a case about a surgeon who mid-surgery had a flashback. Also a pilot who had a flashback while landing a plane, luckily his copilot was able to land it for him. There's really no predicting flashbacks and for some people some of the side effects of acid stay with them for the rest of their lives

    Submitted by whatnow on Oct 29, 10 at 1:18pm
  • I have seen my share of sparkly shit since my first indulgences in the early 80's, so i would say flashbacks definitely exist. Its like a scrapbook for your mind of awesone trips gone by!

    Submitted by oldhead on Oct 29, 10 at 7:18pm
  • you should stop watching twilight.

    Submitted by wowwwa on Oct 30, 10 at 3:59pm
  • I think they are fact, or else, why the hell was my neuroscience professor lecturing about?

    Submitted by izzinator on Oct 30, 10 at 12:30am
  • Definitely real

    Submitted by Anonymous on Oct 29, 10 at 9:11pm
  • Maybe you're on the verge of having detached retinas

    Submitted by talisman on Oct 30, 10 at 6:27pm
  • Been there had them! Ahhh good times good times!

    Submitted by _423_ on Oct 29, 10 at 3:43pm
  • Freebies

    Submitted by stikybriches on Jan 5, 13 at 6:21am
  • Acid flashbacks are very real. And very awesome.

    Submitted by HornedGramma on Oct 29, 10 at 2:20pm