This is great news for people with Type 1 Diabetes. Does it work with, and is it approved for type 2? Asking for a friend who likes candy.
T1 or uhh, brittle(?) diabetes is where your pancreas just doesnt exist. Gone. I had a relative who got a nasty viral "flu". 2 weeks later their pancreas was eaten and gone. Thats when I found out viral T1 diabetes was a thing.
T2 is a whole different thing, where your cells get resistant to insulin, the similar way you can get resistant to caffeine. And it takes insulin+glucose to get energy. So you end up with more glucose in your bloodstream cause your cells wont "eat" it fast enough.
Eventually, T2 will damage and destroy the pancreas. That takes years though. But even if you do a islet replacement, you still have the resistance problem.
Currently this only cures the "brittle" Type 1 variant, not all T1. I'm based that off this line in the article:
> There’s reason to believe, however, that the therapy could one day functionally cure people with manageable T1D, too, and an in-development stem cell-based version of the therapy could make it more widely available.
Generally things like carrots, apples, or milk would be an occasional indulgence for this kind of diet. One serving is 10g+ of carbs (one apple, 1 cup of raw carrot, one glass of milk), which is over half the daily budget, so most would simply avoid them almost completely.
Another option is to do every-other-day fasting, which on eating days doubles your carb budget to still maintain a low average intake of carbs.
The typical ratio of macros in terms of calories is roughly 80% fats and 15-20% protein, with under 100 calories per day coming from carbs, so less than 5%.