A MUM of two who is preparing to undergo a double mastectomy has praised Angelina Jolie for giving her the courage to open up about her surgery.Gemma Griggs was diagnosed as having the abnormal BRCA2 gene last year but it took the actress's announcement that she has had a preventive double mastectomy to give her the confidence to tell her story to people outside her immediate family.The Hollywood A-lister found out she had the BRCA1 gene mutation, which gave her an 87 per cent risk of...
