Ruth Heidrich, Hawaiian Athlete and Breast Cancer Reversal
At 47 years old, Ruth Heidrich was very fit and athletic. She was diagnosed with stage 4 breast cancer. As a result of a 1982 study instigated by Dr. John McDougall, she commenced a low-fat, vegan diet without chemotherapy, radiation or hormone blockers. The results of the dietary change were profound and the cancers were completely reversed. 1
Exactly two years later, she completed the Kona Ironman Triathlon.
At age 86 years, Ruth Heidrich completed the Ironman event 5 more times and was the winner of more than 900 trophies, 8 Gold Medals in the U.S.Senior Olympics and 67 marathons including Boston, New York, & Moscow.
What I didn’t know was that cancer was growing in my right breast; that is, until it grew to the size of a golf ball. When the lump was detected I was rushed off to surgery to have it removed. Recovering from the surgery, I was given the bad news: The tumour was malignant. Later, the doctor informed me that the cancer had spread throughout the breast and into my bones and one lung. The prognosis did not look good. While paging through the newspaper during my recovery I saw a call for volunteers for a breast cancer study involving diet. I signed up.
After meeting with Dr. McDougall in 1982 as part of that study, I left his office with instructions to follow a low-fat, vegan diet. That diet changed my life. I am now cancer free. Since my diagnosis three decades ago, I have completed the Ironman Triathlon six times, run 67 marathons, won more than a thousand racing trophies, and been declared “One of the Ten Fittest Women in North America.” At age 74 I had a “fitness age” of 32. I’ve even written a book about my recovery: A Race for Life: A Diet and Exercise Program for Superfitness and Reversing the Aging Process. 2
Last updated on Thursday 15 January 2026 at 14:02 by administrators
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