Correlation between autism diagnosis and organic food sales

Redditor Jasonp55 has a neat demonstration of the perils of confusing correlation with causation, and his well-chosen example makes this a potentially useful chart for discussing this issue with friends who won't vaccinate themselves and their kids.

/r/skeptic, I was practicing GraphPad and I think I may have discovered the 'real' cause of autism... ( (Thanks, Fipi Lele!)