The science of friendship - After Hours #45

After Hours with Dr Vincent and Stephen · Oct 8, 2026 · 47m

We spend so much time talking about food, exercise, sleep and stress when we talk about living a healthier life, but we rarely talk about friendship. In this episode of After Hours, Stephen and I explore what science can tell us about why friendship matters, from research linking stronger social relationships with better survival outcomes to the surprising amount of time it can take to turn an acquaintance into a genuinely close friend. We also get into the very human side of it: why making friends as an adult can feel harder, the difference between being alone and being lonely, the “liking…