Roseanne Barr has sparked fresh health fears after opening up about a secret heart condition. Wonderwall.com can reveal the canceled sitcom star, 73, claims she has a "damaged heart" and says the condition is so worrying, she's scared of "dying on a surgery table." 'I have to get my heart checked out' The veteran comic admitted she needs tests on her 'damaged' heart. By: MEGA Speaking about a recent health update from her doctor, she said on her podcast, "This doctor says I have to go get my heart checked out because it's damaged.