Over the next few days, Cash said her symptoms worsened, with many large, painful blisters forming on her skin. When taken to a hospital emergency room on January 3, 1981, Clark writes, Cash "could not walk, and had lost large patches of skin and clumps of hair. She was released after 12 days, though her condition was not much better, and she later returned to the hospital for another 15 days." (Clark, 176) In a 1985 HBO documentary, "UFOs: What's Going On", Cash claimed she was treated for cancer after being exposed to the "radioactive UFO".