Plant-based patties are great for the environment. But what about for your body?

Two new books look at the disease in a better, more nuanced way, writes author Sarah Weinman

Why a top-to-bottom seat swab is not as effective as you might think

There’s a real need for easy-to-access treatment options, but for now, experts are skeptical

Even specialists often struggle to make sense of the puzzling symptoms that come with these slow-moving disorders

Research explains why that isn’t necessarily a bad thing

Emerging evidence suggests a daytime snooze has powerful health benefits

Who is allowed to rest in American society? Activists and “nap ministers” are embracing sleep as a political act