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John Tesh reveals his battle with cancer in new memoir

In 2015, John Tesh was diagnosed with a rare form of prostate cancer and given 18 months to live. Five years and another (2017) laparoscopic cancer treatment later, Tesh, now 67 and healthy, details his fight in stark, uncompromising detail in “Relentless: Unleashing a Life of Purpose, Grit, and Faith” (Thomas Nelson), a candid and revealing memoir that takes readers on a journey through his life (growing up in Garden City, Long Island) and long career in radio, television and music. “Part of what I was trying to do with [writing about] the cancer stuff was to be of service,” says Tesh, the former “Entertainment Tonight” co-host (1986-96) and acclaimed musician (“Live at Red Rocks”) who hosts the syndicated radio show ...