The Effect review " repeat prescription for Lucy Prebble's love-drug drama
Sheffield Crucible studioPrebble's funny and heartbreaking play about a clinical trial for a new antidepressant " which might be 'a Viagra for the heart' " is cannily revivedUnder artistic director Daniel Evans, the Crucible has cannily picked up interesting new plays staged elsewhere, giving Yorkshire audiences a chance to see them at their best. The latest is Lucy Prebble's 2012 National Theatre hit, a challenging,…