Posts Tagged ‘lab testing’

DAO Deficiency

New Study Finds DAO Deficiency Accounts for Over 70% Of All Histamine Intolerance

November 21, 2015  |  Histamine Intolerance  |  24 Comments

A study just published on 16 November 2015 has confirmed that DAO deficiency remains the leading cause of histamine intolerance.

The study was conducted using 14 patients from one Italian hospital clinic. The participants were selected from past patients whom had benefited from a low histamine diet.

Patients had a blood DAO test, and 10 of the 14 study participants, had on average less than one fifth of a healthy person’s DAO.

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