Hi. I think there is a greater correlation between how we think and acne. With thinking I mean in the sense of how your mind is operating: your mood, stress etc.
I have suffered from acne for five years, and it came around and under my mouth after a really stressfull period with Obsessive Compulsive Disorder, I have struggled with it ever since.
There was only one time when the acne went away for some months, and that was when I was extremely depressed and didn't care about what I ate or if I had acne at all. I dont think depression is the main course of acne, probably more anxiousness-related. you could both be anxious and depressed at the same time.....
One other instance was when I lived of just bread and butter for two or three days, my mood was good, and I didn't really care about my acne at all, it cleared up much faster, and no new pimples. Diary and gluten is supposed to be bad for you right, and I am even lactose-intolerant since young age! That is confusing to say the least, I didnt even move around, I just sat at my computer.
Im tempted to believe that how you are thinking couid be a main cause for acne in many situations, As the thinking can influence hormones and hormones are needed for sebum production.
I think we should maybe start looking at mood, stress and how much we care about acne, and not so much about food.
Like a diary on how you feel and how your acne is. Sometimes you might think that you are a little bit happier, but many times its hard to notice that you are really making decisions based on your acne, and that you are not thinking very healthy even though you think so. So you have to be careful in your observations if you dont see results...
I will start trying to condition myself into better thinking. Will update if I have success, but I really believe there is something to this.