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Some studies suggest that rates of peanut allergy among children in western countries have doubled in a decade. Some experts believe that one day we may be able to eradicate them altogether. So what's behind the rise in food allergy? How can we protect ourselves? What would a cure look like?

Food allergies appear to be increasing globally, but as scientific understanding improves, some experts believe we may one day be able to eliminate them altogether. Ian Sample speaks to Dr Kari Nadeau, an allergy specialist at Harvard School of Public Health and author of the book The End of Food Allergy, to discuss why food allergies are on the rise and what we can do to prevent – and possibly even cure – them. Help support our independent journalism at theguardian.com/sciencepod