I have been Paleo for a few months and have had occasional flare ups of acne. Its been quite bad these past few days so I went in search of the cause. I heard Chocolate caused acne, but found a study that found no link a few weeks back, so I ruled it out.
I reconsidered my position after thinking about how my Dark Chocolate has increased a lot this past week and my flare ups have increased at the same time. After finding another hack with a similar experience to mine I did some research on google and found the following article describing a study that found a link:
How has your experience with chocolate been? Has it caused acne for you? Now that I think about it the flare ups have always coincided with my intake of chocolate.