Fresh meat (chicken, turkey, lamb) cook and eat promptly Freshly caught and frozen fish (cod, trout, salmon) if frozen immediately Eggs (fresh) Gluten-free grains (rice, oats, quinoa, millet) Most fresh vegetables (zucchini, carrots, broccoli, pumpkin, lettuce, cucumber) Most fresh fruits (apples, pears, blueberries, watermelon, mango except citrus/berries noted above) Plant-based milk alternatives (rice milk, coconut milk, oat milk without additives) DAO (diamine oxidase): DAO is the major extracellular enzyme which degrades dietary histaminein the gastrointestinal tract
Intermittent hypoxia preconditioning alleviates chronic hypoxia-induced cognitive impairment in mice by inhibiting -syn phosphorylation and aggregation The above study found that chronic persistent hypoxia-induced irreversible cognitive impairment in mice
It really cannot be overestimated
But there are plenty of scenarios that can lead to excessive, abnormal histamine exposure