Much like Greek yogurt, milk is another food that can cause acne. Whether or not it affects you is dependent on your hormone levels. At the same time, the research is mixed regarding the link between dairy food and acne. Low-fat milk is recommended by many doctors as a way for women to make sure they are getting enough calcium and vitamin D in their daily diets. However, if cutting it out of your diet helps your skin clear up, consider alternative options, such as spinach and salmon. You might also consider a supplement to cover your bases.