A 15-year-old girl diagnosed with cancer after developing an "unbearable" itch which was initially mistaken for an allergic reaction is urging people to "trust your gut instinct". Deborah Connell, 48, and her husband Brian, 65, who live in Bonkle, Scotland , are legal guardians for their 15-year-old granddaughter Niamh a "stunning" and "healthy girl" who loves all things beauty-related. In June, Niamh developed a "constant itch" all over her body, but at first the family believed it was related