There’s no simple blood test or X-ray to diagnose CFS. And many of the symptoms are also seen in other conditions. Chronic fatigue is a great imitator of other illnesses. WebMD's pictures help ...

also known as cardiac fatigue or heart strain, can be caused by various conditions, including overexertion, stress, or underlying heart disease.” If heart fatigue progresses or is caused by an ...

The US FAA, in a newly-issued airworthiness bulletin, refers to “multiple events” in which the left-hand hydraulic system has been lost as a result of fatigue failure affecting the flexible hoses.

Conditions like lupus, Sjögren’s syndrome, or polymyalgia rheumatica can cause widespread fatigue alongside other symptoms ...

Objective To assess the impact of mental fatigue on functional tests used in injury risk profiling and if mental fatigue decreases an athlete adaptability. Design Randomized counterbalanced cross-over ...