Growing up in Asia, I've heard similar anecdotes about blood types. Yeah it sounds stupid in 2024, but back in the 90s, the bloodtype-personality theory was end

Growing up in Asia, I've heard similar anecdotes about blood types. Yeah it sounds stupid in 2024, but back in the 90s, the bloodtype-personality theory was endorsed by politicians and business leaders. Pseudoscience yields anecdotes. Science yields empirical results.