Assertion: lsd's effect | /r/CapableOf | last about eight to 14 hours
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text: Effects tend to last about eight to 14 hours but may recur at any time as a "flashback," making mundane moments such as taking a test in school, asking the boss for a raise, or having sex with one's significant other an emotionally tense, even satisfying, experience, including such special effects as moving geometric patterns, the trailing of tails behind streakers, and brilliant, vibrant color patterns.