Life is indeed a learning process.
You probably think that green leafy vegetables are good for you? That you could never go wrong with fermented foods and drinks? That every fruit will provide essential vitamins to wade of disease
Well, THINK AGAIN!
Google HISTAMINE + OXALATE + DAO
Could be your favourite greens, your favourite ferment, your favourite fruit and nuts, is the culprit to your pain. Now or later.