<unk> , sometimes called<unk> sis, is an over-accumulation of dietary<unk>  in the human body.<unk>  is sometimes informally called an allergy; however, the<unk>  is technically caused by the gradual accumulation of extracellular<unk>  due to an imbalance. Roughly 1% of the population has<unk> ; of those, 80% are middle-aged.
Histamine intolerance
Pseudoallergy
Type I hypersensitivity
Allergy
Cholinergic urticaria
Type II hypersensitivity
Type IV hypersensitivity
NSAID hypersensitivity reactions