I'm almost certain there is a link between them for me. I'm not talking about refined sugar, oil, etc either. My cystic acne was completely cleared over winter break (1month) because I wasn't eating the food that they serve in the dining hall at my college. My acne was almost completely CLEARED! Simply from not eating the college food, and I had developed moderate-severe breakouts during the first semester (I have had acne for 3 yrs, but in the past 4 months at college its gotten the worst I've ever had it and was 1 step away from accutane). I was eating sugar at home and oil and chocolate! The second day back at college I get my first cystic acne breakout in about 3 weeks. I dont know what this means but I can only think of one thing that changes between home and school and thats what I EAT. Agh. What are they putting in the food?!