Hi Catweazle7, yes, I have definitely noticed a connection between flushes and carby foods. Your point about a crash is very interesting. I don't know enough about the subject, but it sounds plausible. My grandmother was plagued by hot flushes, thankfully I am not. But she was an alcohol drinker, whereas I rarely bother. I also know for sure that stress causes flushes in me, too. I am about to cut the carbs, but this is mainly to lose weight and (hopefully) the spots across my shoulders that appeared about a year ago. They are horrible, and embarrassing.
I am lucky really, my flushes arent as horrendous as other peoples, I hope they stay that way, though at least in the winter its some welcome warmth, whereas in the summer they really were a curse.