Can we reverse the rise of food allergies?

Food allergies, particularly in children, can be inconvenient and distressing. And global trends show that allergies differ country to country – with peanut allergies being more common in Australia, the UK and the US, and less common in Asia. Jane Lee speaks to Jennifer Koplin, an associate professor at the University of Queensland, about how factors such as genetics, migration and pets in the home are contributing to our growing understanding of food allergies in children