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mrpg writes:

A puff of this, and the world transforms into a colorful kaleidoscope of dancing patterns and waves of sound; a sip of that, and the muscles in your body relax like jello.

We know different drugs make us experience the world around us in very different ways — and their after-effects are often nowhere near as pleasant as the immediate results they produce.

So what exactly are these drugs doing to prompt these feelings?

[Ed. Note: the rest of this article is infographics.]

Original Submission