"What if cures already exist?"

In 2020, Heiser was diagnosed with pancreatic cancer.[14] On January 4, 2023, Drenna Heiser, posting on the "drmshphd" Instagram page with an accompanying picture of the hospitalized Heiser, note that he had been admitted for severe anemia, that physicians had stabilized him and were seeking to determine a source of blood loss, and that he and the family "appreciate[d] all the prayers, messages, thoughts, support, encouragement you have shown us and our family since Mike’s diagnosis".[15] On January 22, 2023, he announced on his Facebook page that he was "at the end of the road in the late stage (4) of a very aggressive pancreatic cancer".[16]