Diet. Studies indicate that certain dietary factors, including dairy products and carbohydrate-rich foods — such as bread, bagels and chips — may trigger acne. Chocolate has long been suspected of making acne worse. A recent study of 14 men with acne showed that eating chocolate was related to an increase in acne. Further study is needed to examine why this happens or whether acne patients need to follow specific dietary restrictions
"Acne is caused by a poor diet.
So far, research has not found any foods that cause acne. Eating a healthy, balanced diet is recommended because it is good for your heart and your health in general.