DAVID POSEN, M.D., is a physician, popular speaker, and the bestselling author of The Little Book of Stress Relief, which sold more than 50,000 copies and has been translated into five languages. His previous books also include Staying Afloat When the Water Gets Rough and the classic, Always Change a Losing Game. His writing has appeared in Canadian Living, Reader's Digest, Men's Health, USA Weekend, and his TV and radio appearances have aired nation-wide. He lives in Oakville, Ontario.