But while sad and unusual, Rivedal’s story is not unique. Several studies have shown that those whose family members, particularly parents, have killed themselves are more likely to die in the same way. Men are also at far greater risk of suicide than women: figures from the mental health charity CALM, quoted in a report released today, show that 78 per cent of all suicides in England and Wales are male and that suicide is now the single biggest cause of death for men aged 20-45.