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20 hours ago · Unknown. In up to a third of fatigue primary care cases no medical or psychiatric diagnosis is found. Tiredness is a common medically unexplained symptom. Sleep disturbance. Fatigue can often be traced to poor sleep habits. Sleep deprivation and disruption is associated with subsequent fatigue.
- Exhaustion, weariness, tiredness, lethargy, listlessness
- Internal medicine and most other specialities
20 hours ago · This list of fossil fish research presented in 2023 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes, and other fishes that were described during the year, as well as other significant discoveries and events related to paleoichthyology that occurred in 2023.
