Fibromyalgia (FMS) and chronic fatigue syndrome (CFS), also called myalgic encephalomyelitis (ME/CFS), are chronic conditions that have similar symptoms. Both cause extreme tiredness, which could ...

Fibromyalgia and chronic fatigue syndrome (CFS) share certain symptoms, and researchers believe there may be links between the conditions. Fibromyalgia is a chronic condition that causes widespread ...

New evidence links changes in people's immune systems and brains to the life-changing condition known as ME/CFS. Reading time 4 minutes New research seems to offer some long-sought insights into the ...

Most people have a day where they don’t have as much energy as usual. They could have slept poorly or overexerted themselves the night or day before. However, individuals with myalgic ...

Findings underscore the risk for graded exercise in people with post-exertional malaise and point to careful activity pacing as a safer approach.

“chronic fatigue syndrome.” Now it’s called ME/CFS. Recently, a big study looked at people who got the illness after an infection, and it turned up a few clues about what might be causing their ...