you have most likely genetically inherited your acne. however your breakouts may get worse when you eat more of certain foods. many studies have been conducted concerning the connection between diet and acne. and so far the most conclusive evidence is that a high glycemic index diet (a diet high in refined sugars) can worsen acne breakouts. some data also suggest that dairy foods can worsen acne due to presence of certain androgenic hormones in cow's milk. if you notice a link between when you consume dairy and the severity of your acne you may benefit from eating dairy substitutes and products that don't contain casein or whey.
could the acne on my back have anything to do with my diet?