Any long term weed smokers experience gastrointestinal changes once you quit?

I was a heavy cannabis user for 30 years. I quit fully a few months ago and have noticed some marked changes in appetite (feeling hunger for the first time in years,) weight (lost several pounds yet am eating more,) as well as some big gastrointestinal changes (never a farter, now I’m supremely gaseous.) Anyone else have similar affects?