Severe fatigue, chronic pain, brain fog, difficulties with day-to-day tasks — these are just a few of the often disabling symptoms of chronic fatigue syndrome. Millions of people across the globe, up ...

People with chronic fatigue syndrome (CFS) often go years without a diagnosis—and even after getting one, the “realness” of their condition may be questioned by friends, family members, and even ...

Imagine feeling horribly sick, day after day, yet doctors repeatedly tell you they can't find anything wrong. That typically happens to people with the mysterious illness commonly known as chronic ...

Long COVID can linger long after the acute infection ends. People report fatigue, brain fog, dizziness, and poor sleep. Many struggle to work or manage basic chores. Some crash after small efforts, ...

Myalgic encephalomyelitis/chronic fatigue syndrome, or ME/CFS, affects at least one million Americans. The illness causes sufferers to feel incredibly sick with flu-like symptoms and a deadening sense ...

New scientific research now suggests that “invisible fatigue” may leave detectable biological signals in the gut, ...

Fig. 1. Standard method used for displaying fatigue test results. 1a (right) shows standard fatigue testing terminology, and 1b. (left) depicts an S-N diagram. Photo Credit: Dan Adams Fatigue testing ...