Ever wondered why some fair-skinned people tan beautifully while others turn lobster-red in the sun? We dive into the fascinating science behind sun exposure, sparked by a listener's question from Lake Garda. Discover the "master switch" gene that controls whether you burn or tan, and learn why many Irish people are genetically wired to produce a less protective type of melanin compared to their Scandinavian counterparts. It’s a surprising story of genetics, geography, and how our bodies react to the sun.
