Health and Fitness The Placebo Effect: Expecting the Best, Fearing the Worst by Gary Kopycinski on February 17, 2011 Gary Kopycinski Author More in Health and Fitness: On Hantavirus, Park Forest Officials Urge Caution May 18, 2026 Rep. Kelly Condemns FDA Approval of Flavored E-Cigarettes May 6, 2026 Park Forest Aligns With Illinois Guidance on Childhood Vaccines Amid Federal Changes January 11, 2026 GREAT BRITAIN–(ENEWSPF)–17 February 2011. Poor expectations of treatment can override all the effect of a potent pain-relieving drug, a brain imaging study at Oxford University has shown.