John R. Sharp, M.D., is a psychiatrist and neuropsychiatrist who serves on the medical staff at the Beth Israel Deaconess Medical Center in Boston. He is on the faculty at Harvard Medical School and at the David Geffen School of Medicine at UCLA, and he divides his time between Boston and Los Angeles. Sharp is the author of The Emotional Calendar: Understanding Seasonal Influences and Milestones to Become Happier, More Fulfilled, and in Control of Your Life (St. Martin's Griffin).
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