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Fatigue in a medical context is used to cover experiences of low energy that are not caused by normal life. [2] [3]A 2021 review proposed a definition for fatigue as a starting point for discussion: "A multi-dimensional phenomenon in which the biophysiological, cognitive, motivational and emotional state of the body is affected resulting in significant impairment of the individual's ability to ...
Chronic fatigue with a known cause is twice as common as idiopathic chronic fatigue. [6] Idiopathic chronic fatigue affects between 2.4% and 6.42% of patients, [26] with females more likely to be affected than men. [1] Age at onset is typically over 50 years of age. [13]
Lethargy is a state of tiredness, sleepiness, weariness, fatigue, sluggishness, or lack of energy. It can be accompanied by depression , decreased motivation, or apathy . Lethargy can be a normal response to inadequate sleep, overexertion, overworking, stress, lack of exercise, improper nutrition, drug abuse, boredom , or a symptom of an ...
If you've recently felt groggy or fatigued, you may want to consider switching up your diet -- here's why.
By the end of the treatment, significant differences between the two groups were found for both physical and mental fatigue and improvements in both the cognitive status and physical functions. [70] A 2002 double‐blind randomized controlled trial with 53 patients found no difference in fatigue severity between groups when given a supplement ...
Bupropion, a norepinephrine–dopamine reuptake inhibitor (NDRI), may be uniquely suited to treat the atypical depression symptoms of lethargy and increased appetite in adults. [13] Modafinil is sometimes used successfully as an off-label treatment option. [14]
Central nervous system fatigue, or central fatigue, is a form of fatigue that is associated with changes in the synaptic concentration of neurotransmitters within the central nervous system (CNS; including the brain and spinal cord) which affects exercise performance and muscle function and cannot be explained by peripheral factors that affect muscle function.
Muscle fatigue is when muscles that were initially generating a normal amount of force, then experience a declining ability to generate force. It can be a result of vigorous exercise , but abnormal fatigue may be caused by barriers to or interference with the different stages of muscle contraction .