Tenacity is the true story of one man's courageous battle with Parkinson's disease. At the height of his career as a successful cardiac anesthesiologist, Jon is given a diagnosis that changes his perspective and alters the course of his life. Rather than be overcome by fear, Jon chooses to fight. His journey takes you from the wilds of the Arctic tundra to the heights of the Rocky Mountains as he learns to seize control of his life and his future.
©2015 Jonathan Lessin MD (P)2016 Jonathan Lessin MD
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