A UK obesity expert claims that overweight people shouldn't be held responsible for their weight, as it's mostly down to genes and an abundance of fast food.

She also believes that telling people they're obese only makes the situation worse.

Irish obesity experts agree that people shouldn't be blamed for being overweight, and fat shaming has to stop.
Id say PlusSize Models must get sick of havin 2come up w 'brilliant responses' 2insults Mayb just stop insulting thm https://t.co/pLykUyGnTN
— Ciara Kelly (@ciarakellydoc) April 6, 2016
Helen Vaughan reports.