Celine Dion has opened up about her use of Valium, saying she “could’ve died” from the high dosages she was taking.The singer, who has just released her new documentary I Am: Celine Dion on June 25, was diagnosed with Stiff Person Syndrome in 2022, causing her to reschedule and cancel planned tours. The disorder primarily affects the brain and spinal cord and causes muscle stiffness, posture problems and sensory issues, as well as painful spasms.In her new documentary, Dion has shared that to manage the pain, she took high doses of Valium which she “could’ve died” from (via Business Insider).