Instant Genius is a bite-sized masterclass in podcast form. And in this episode, we're exploring hay fever.

Hay fever is something huge parts of the population deal with every year, but what actually causes it, is it genetic and is it something that is faced all over the world? We spoke to Dr Sam White, a senior lecturer of immunology and genetics at Nottingham Trent University to find out more about this common issue.

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Authors

Alex is a staff writer at BBC Science Focus. He has worked for a number of brands covering technology and science with an interest in consumer tech, robotics, AI and future technology.