As part of this issue’s wider focus on how the environment affects health, the MEDICUS team is taking a deeper look into what’s going on when the body perceives things from the environment as a threat. We’re, of course, talking about allergies. And joining us on this episode are:

• Our special, preteen guest co-host, Juno Young, who had a million questions about allergies
• And immunologist Ashley St John, an associate professor at Duke-NUS who leads the laboratory of immunity and immune pathology