I'm not sure that it qualifies as 'strange episodes', but my problems started with a type IV food sensitivity. In retrospect, I realized that I had a very slight type IV reaction to oranges since at least young adulthood, but it suddenly flared up into full flu-like symptoms. I managed to stop the type IV reaction (food poisoning did the trick), but the symptoms remained as ME.
Okay, maybe one strange bit: before this started, I started gaining weight rapidly (5 lbs in a month or so) without a change in diet or activities. I got my weight back down by reducing the amount I ate per meal, but then the type IV reaction started. Perhaps the weight gain was due to some sort of mitochondrial failure due to age (39 then), cascading into ME.
Okay, maybe one strange bit: before this started, I started gaining weight rapidly (5 lbs in a month or so) without a change in diet or activities. I got my weight back down by reducing the amount I ate per meal, but then the type IV reaction started. Perhaps the weight gain was due to some sort of mitochondrial failure due to age (39 then), cascading into ME.