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Janice Joneja, PhD

Janice Joneja, PhD

Janice Joneja, PhD, is a researcher, educator, author and clinical counselor with more than 30 years of experience in the area of biochemical and immunological reactions involved in food allergies and sensitivities. She holds a PhD in medical microbiology and immunology, was a registered dietician in British Columbia for 27 years and a member of the Academy of Nutrition and Dietetics in the United States. For 13 years she was head of the Allergy Nutrition Clinic at the Vancouver Hospital and Health Science Centre.

Joneja has authored 10 books and dietetic practice manuals on immunology and food allergies, and her work has been published in peer-reviewed scientific and medical journals as well as in popular magazines. She is a respected lecturer at universities, colleges and hospitals internationally and is called upon regularly as an expert in her field from the media. Joneja is president of Vickerstaff Health Services Inc., a practice that provides resources for people suffering from all aspects of adverse reactions to food, and for the professionals and caregivers who support them.
3 Ways to Minimize Symptoms of Histamine Intolerance

According to a new study in JAMA Network Open, only 10 percent of Americans have food allergies, but almost double the number believe they do. 

Many of the other half may be suffering from histamine intolerance, caused by a DAO enzyme deficiency. The symptoms seen in allergic reactions, such as a runny or stuffy nose, sneezing, watery eyes, itching, headaches, hives and digestion issues, are also seen in histamine intolerance.