Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. A new study provides yet more evidence that a significant subset of people who experience ...

Millions of people now live with the debilitating disorder, which can be triggered by viral illnesses like COVID-19. And many say the recommended treatment—exercise—has backfired. A medical student ...

But for some people, exhaustion isn’t something that goes away after rest. It becomes a constant companion that can reshape ...

A recent study published in Frontiers in Medicine has shown that most people suffering from chronic fatigue syndrome may also suffer from abnormal breathing patterns. The study included 57 people who ...

Another chronic condition called chronic fatigue syndrome (CFS), or myalgic encephalomyelitis, comprises a complex multisystem disease that is typically characterized by severe fatigue. 2 Both these ...