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  2. Effects of fatigue on safety - Wikipedia

    en.wikipedia.org/wiki/Effects_of_fatigue_on_safety

    Fatigue can be both physical and mental. Physical fatigue is the inability to continue functioning at the level of one's normal abilities; a person with physical fatigue cannot lift as heavy a box or walk as far as he could if not fatigued. [3] [4] [5] Mental fatigue, on the other hand, rather manifests in sleepiness or slowness. A person with ...

  3. Major depressive episode - Wikipedia

    en.wikipedia.org/wiki/Major_depressive_episode

    Although the exact origin of depression is unclear, it is believed to involve biological, psychological, and social aspects. [2] Socioeconomic status, life experience, genetics, and personality traits are believed to be factors in the development of depression and may represent an increased risk of developing a major depressive episode. [3]

  4. Major depressive disorder - Wikipedia

    en.wikipedia.org/wiki/Major_depressive_disorder

    This article needs to be updated. The reason given is: Many outdated sources and information (older than five years). Please help update this article to reflect recent events or newly available information. (July 2024) Medical condition Major depressive disorder Other names Clinical depression, major depression, unipolar depression, unipolar disorder, recurrent depression Specialty Psychiatry ...

  5. Depression in childhood and adolescence - Wikipedia

    en.wikipedia.org/wiki/Depression_in_childhood...

    Risk factors for adolescent depression include a family history of depression, a personal history of trauma, family conflict, minority sexual orientation, or having a chronic medical illness. [20] There tends to be higher prevalence rates and more severe symptoms in adolescent girls when compared to adolescent boys.

  6. Depression (mood) - Wikipedia

    en.wikipedia.org/wiki/Depression_(mood)

    Depression is a mental state of low mood and aversion to activity. [3] It affects about 3.5% of the global population, or about 280 million people worldwide, as of ...

  7. Lethargy - Wikipedia

    en.wikipedia.org/wiki/Lethargy

    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 ...

  8. Post-stroke depression - Wikipedia

    en.wikipedia.org/wiki/Post-stroke_depression

    Post-stroke depression (PSD) is a form of depression that may occur after a stroke. PSD significantly impacts stroke recovery and the overall quality of life of those affected. It is particularly associated with strokes affecting the basal ganglia or the anterior regions of the brain, including the hippocampus and prefrontal cortex.

  9. Fatigue - Wikipedia

    en.wikipedia.org/wiki/Fatigue

    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 ...