Dr Catherine Conlon: How brain science explains sexual chemistry

Magnetic resonance imaging shows parts of the brain are more active when we are in love

Renée Zellweger and Leo Woodall in Bridget Jones: Mad About the Boy (2025)

Bridget Jones returns to movie theatres this Valentine’s Day. In Mad About the Boy, Bridget is a widowed mother of two and again looking for love. 

A chance encounter with a younger male leads to an unlikely romance and a chemistry so intense it could warrant a new entry in the periodic table.