Are words like "overweight" and "obese" offensive? Or simply fact?

'Words like "overweight" and "obese" are offensive' – that’s according to a 'body positive coach' in a new BBC TV programme. 'Who Are You Calling Fat?' is exploring what life is like for plus-size people. In it nine people move in together to share their experiences. Victoria is part of a 'body positive movement' where some celebrate being overweight. Do we need fat activists? Are words like 'obese' offensive, or simply fact? Vinny got the views of size acceptance campaigner Kathryn Szrodecki and commentator Emma Woolf.