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Not sure why you chose that source, but one second searching google for "acne diet research" returns this from the AAD no less: https://www.aad.org/media/news-releases/growing-evidence-sug... Yes, the cause of acne can be different from person to person, but if you really think that the building blocks (ie. food) of our body doesn't have an effect on our largest organ then you are being willfully ignorant. From my ex…
I chose that source because a) I'm British and b) the NHS has a vested interest in reducing its drug bill and antibiotic usage as far as possible. So if there were a strong correlation between diet and acne and GPs could reduce treatment by suggesting dietary changes - they would. If you look at the article you linked the most substantial source is a study of 23 Australian men, which showed interesting, but not concl…
Right now the only way to find out is to try yourself, it is free after all, and you can't deny that in any case (whether it works for acne our not) reduction of sugar intake is good for your body.