I think it's difficult to give the right answer. For example the daughter of Jordan Peterson had a lot of health issues, but her health issues have been gone once she switched to an all-meat diet [0]. What works well for one person, might not work at all for another I guess.
I personally feel it's best to listen to your body and avoid eating too much sugar, cause we know for sure the harmful effects of eating too much sugar.
Intermittent fasting however seems to have some beneficial effects, so with regards to your diet, you might want to try that: https://www.youtube.com/watch?v=JxjMdqevE88
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