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Tim Spector talks to Gaby Huddart

Fermentation: Food to Put You in a Good Mood

Hay Festival 2026, 

Join gut health guru and best-selling author, Professor Tim Spector, for a lively dive into the bubbling world of fermentation. In conversation with lifestyle journalist Gaby Huddart, Spector reveals how everyday microbes – tiny invisible chefs – can transform our food, boost our health, and even put us in a better mood. From sauerkraut to kimchi, sourdough and even coffee, discover how fermented foods can profoundly influence our gut health, boost our immunity and kickstart our overall well-being.

Expect humour, fascinating science, and practical tips to make your kitchen a thriving microbial playground. Perfect for food lovers, science fans, and anyone curious about the quirky, powerful world of microbes that live inside – and alongside – us.

Tim Spector talks to Gaby Huddart