The day Jessica Hamel-Akré discovered the ideas of George Cheyne - an eighteenth-century polymath and London society figure known as 'Dr Diet' - it sparked an intellectual obsession, a ten-year study of women's appetite and a personal unravelling.

In this bold and radical book, Hamel-Akré follows Cheyne through the pages of medical studies, novels and historical scandals, meeting ash-eating mystics, wasting society girls, impoverished female fasters and early feminist philosophers, all of whom were once