Cancer Returns for Actress, Singer Olivia Newton-John September 10, 2018 Cannabistical Off breast cancercancercannabis for cancer treatmentcannabis for pain managementcannabis legalizationcannabis oilcbd oilCultureJohn Easterlingmarijuana newsnews about marijuanaOliva Newton-JohnOliva Newton-John cancer LOS ANGELES (AP) — Olivia Newton-John says she has been diagnosed with cancer for the…