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Cancer Fitness
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Cancer Fitness involves individualised tailored exercise programs for those going through cancer treatments and post-treatment survivors. With this initiative, Dr Jay Harness aims to enlighten both patients and doctors about the benefits of exercise as an adjunctive care measure to make cancer recovery a truly positive and meaningful journey.

Jay K. Harness, MD, FACS, is the Chief Medical Officer at Maple Tree Cancer Alliance. He is an emeritus breast surgeon at Providence St. Joseph Hospital in Orange, CA, and Northern Inyo Hospital in Bishop, CA. He is a past Clinical Professor of Surgery at the University of California, Irvine. Dr. Harness spent 28 years of his career in full-time academic positions.

From guidelines for cancer fitness programs to the latest research outcomes in this field, Dr Harness guides cancer patients and survivors on how to reclaim their mind and body during and after their oncology treatments.



Last Updated:09/04/2026
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Cancer Fitness
info@cancerfitness.org https://cancerfitness.org
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Oncology Exercise
Specialist exercise programmes designed to help support cancer patients during and after treatment.

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Radio Show Exercising Control 10 Apr 2026