Dr Marion is an Irish physician, geriatrician, medical educator, and author. He combines clinical experience with practical, evidence-informed advice on medicine, performance, healthy ageing, and personal development. His books include Becoming a Better Doctor, Growing Into Your Future Self, What Matters In the End, Mastering Badminton, and Advice to My Children. He has taught at University College Dublin and Trinity College Dublin and is currently an Assistant Professor in Medicine at University College Dublin.
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