Each of us, whether individually, a family member, or a friend, has been impacted by a serious health issue. Many face health issues that a decade ago would have been fatal or life shortening. Science, however, continues to improve the diagnosis and treatment. These benefits come through research like the study described above, and Elizabeth did not hesitate when asked. In fact, with her psychology background, she was intrigued by what the PET scan would show.
If you would like to read about the study, check out the Mayo Clinic description.