Dolly Parton is giving fans an update on her health and the future of her career. On Instagram Monday, the 80-year-old posted a candid video in which she said she had "good news and bad news" for her fans. She revealed she's still receiving "treatment" for some undisclosed health issues, and that her doctors are staying on top of her health. She assured her fans that everything she has is "treatable" and she's still working on her upcoming musical that she's writing, as well as taking care of business in Dollywood.