We spend almost a third of our lives at work. So it’s no surprise that what happens at work has a big impact on our bodies, minds, and overall health. Unfortunately, negative work-related health consequences are all too common: McKinsey Health Institute research led by Erica Coe and Barbara Jeffery found that on average, one in four employees globally have experienced burnout. But what exactly is burnout? And how can organizations help their employees stay healthy? Check out the following articles from our popular McKinsey Explainers series for the lowdown on health and wellness at work, as well as concrete tips for employers trying to foster supportive, inclusive, sustainable work environments.