But she'll continue to face bouts of schizophrenia and dissociative identity disorder - which have left her in a suicidal state on a number of occasions over the years.

Janus tells Revolver: "During the process of writing and recording our third album Static, I began to feel like something bad was growing within me. When we were on tour with Amon Amarth, I started to bleed heavily between my periods. I had a procedure, and my doctor found early stages of cancer in my uterus."

But she says: "I know I'll survive - I've survived much worse." That includes schizoaffective disorder, diagnosed when she was 20, after she'd been showing symptoms for several years.