Gracie Gosling was diagnosed with craniopharyngioma – a brain tumour which affects the pituitary gland – in February 2019, aged ten. She has made videos to help other sick children.Gracie Gosling was diagnosed with craniopharyngioma – a brain tumour which affects the pituitary gland – in February 2019, aged ten. She has made videos to help other sick children.Read MoreHealth News | Mail Online