Rutgers University Apr 21 2026 Even apparently healthy cancer survivors often complain of extreme fatigue. They have finished treatment, the scans are clear, but they feel hollowed out, unable to walk to the mailbox or stay awake through dinner.  The languor can linger for years, making it a major, unexplained symptom that clinicians have only been able to measure with subjective, imprecise surveys.  But a pilot study published in Biomedicines may help clinicians obtain a better measurement