Can a ketogenic diet cause diabetes?

No. There is little evidence to suggest that a ketogenic diet will cause diabetes [1]. On the contrary, there have been multiple studies showing that following a low-carb or ketogenic diet is beneficial for people with type 2 diabetes: reducing blood sugar levels; improving insulin resistance; aiding weight loss and reducing the need for medication [2].

Still, always consult your doctor or other health care professional if you have any pre-existing condition and are considering making a significant change to your usual diet. Here are a few studies delving into the effects of keto on diabetes and insulin resistance:

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