Low vitamin D levels linked to premature death Older adults with very low vitamin D levels have a 57% increased risk of premature death, according to a study that suggests the vitamin has an important role in cancer survival. by Stephen Robinson Sign in to continue Sign In Email address Password Stay signed in Trouble signing in? Reset password: Click here Need help? Email us Register FREE Limited free articles a month Free email bulletins Register Now Register Now Take a 30-day trial Join MIMS now and pay nothing for the first 30 days Join GPOnline now and pay nothing for the first 30 days Sign Up Sign Up