pstrongHAVE YOU EVER THOUGHT THAT YOUR FREQUENT HEADACHES AND NAUSEA COULD BE LINKED TO A FOOD INTOLERANCE strongppstrongARE YOU SURE THAT YOUR STOMACH CAN DIGEST YOUR FAVOURITE FOODSstrongppbrppYou naturally produce histamine together with the enzyme diamine oxidase DAO. DAO is responsible for breaking down histamine taken in from food.ppIf you develop a DAO deficiency and cannot break down histamine, you may develop an intolerance.ppHistamine is associated with common allergic responses and symptoms. Many of these are similar to those of histamine intolerance.ppbrppAlthough they may vary, some common reactions associated with this intolerance include nasal congestion or sinus problems, fatigue, digestive problems, vomiting, hives. In severe cases of histamine intolerance, abdominal cramps, anxiety, dizziness, tissue swelling, and high blood pressure may occur.ppbrppA healthy diet contains moderate levels of histamine. However, some foods high in histamine can trigger inflammatory rea