A scientist experimented on herself to treat her cancer. It worked.
Briefly

Beata Halassy, a virologist, opted for self-experimentation with virus-based treatments for her breast cancer, achieving tumor shrinkage and remission without conventional methods.
Bioethicists have mixed opinions on Halassy's self-experimentation, acknowledging her unique qualifications while questioning the objectivity and reliability of results from her singular case.
Read at Washington Post
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