What’s the point of blood types?

The podcast explores the cultural significance of blood types in different parts of the world, particularly in Japan. It discusses how blood groups are a topic of daily conversation and how people even select romantic partners based on blood type. The podcast also explores the beliefs and stereotypes surrounding blood types in Japanese culture, questioning their scientific basis. Lastly, it delves into the importance of matching blood types for successful transfusions, the high demand for type O blood, and the role of blood types in supporting the immune system.