Look, if you think diet doesn't affect skin oils, or production of hormones, why do you spend so much time trying to precipitate an anabolic condition via diet?
We have seen through numerous studies that Hormone levels directly influence acne, and changes in diet have a direct influence on hormone levels. We also know that Chocolate increases seratonin release, and is high in fat and cholesterol (the building block of all androgens), among other things. The complete bioactivity and metabolic breakdown is unknown, and there is much variation among the levels of ingredients.
I'm a firm believer in science, but I also know when to listen to my body and beleive what I see. I appreciate your candor in informing me that diet has no effect on skin, but I feel 100% the opposite, and have personally witnessed this.
Sure, if you search on yahoo for Chocolate and Acne, you'll find quotes saying its a myth. But there are tons of other "myths" that you all willing disbelieve, because you've personally seen a different case. Just as an example, many people (and most scientists) still believe topical fat loss gels are a myth, yet we have hundreds of anecdotal examples that say otherwise.
Further, to say its a "scientifically proven fact," makes you sound like a reporter and not a scientist, and leads me to believe you have an incomplete understandng of the fundamental philosophy on which science is built, that being the Cartesian method of doubt. Science and theories are always open to verification and rebuttal. The first thing you learn in science is the differnce between a hypothesis, a theory, and a law. Becoming immune to new evidence or knowledge is antithetical to the scientific method, so pretending like you have a 100% certain answer to a question that studies themselves leave room for interpretation on (in other words, acting like a reporter who searches for silver bullet headlines) helps no one.
We're hijacking this thread, though--it's about protein causing zits, not chocolate. We should take this elsewhere or start a new thread in the diet/nutrition section.