The body acceptance movement has been around for decades now there's a growing understanding that a range of weights can be considered healthy.

And yet there remains an enduring bias against fatness, which can affect education, employment and health outcomes of those who don't don't match the physical 'ideal'.

In her new book, Unshrinking, Kate Manne examines what it means to be fat, and what would change if the world were designed to accommodate different bodies.