Yes, organizational health still drives long-term performance—but the way leaders measure and diagnose health should change, new research shows.  McKinsey partners Bryan Hancock and Brooke Weddle join global editorial director Lucia Rahilly to discuss McKinsey’s recently updated Organizational Health Index: how it works, what has changed, and why it’s still among the best predictors of whether your company will thrive over the long term. See www.mckinsey.com/privacy-policy for privacy information