Maybe it's good to remind people that this is the case if they keep doing it.

I wasn't even 20 years old 20 years ago, so this is new to me. But, good that you knew! 👍👍

Not just diabetes - glucose instability (whether spikes or lows) are hugely influential to all sorts of disease processes, and is likely a major cause of coronary issues in the last 40 years (since the start of low-fat nonsense in the 80's).

Once my Grandma lost being able to control her sugar well she basically forgot everything over the course of a couple years.