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Joan Breakey is the author of foodintolerancepro.com. She is one of the few dietitians in the world who has a lifetime of specialisation in the area of Food Sensitivity. She is a Dietitian, Home Economist and Teacher. In 1975 she began her first work on Diet and Hyperactivity, investigating the effects of the Feingold diet on children’s behaviour. For more than 45 years Joan has been writing books and articles, publishing and presenting the results of her ongoing research in this area.