An analysis of major depressive disorder, covering diagnostic criteria, prevalence statistics across demographics, and ...

ABSTRACT: Background: Vitamin B12 deficiency is prevalent among the elderly population and can present with a range of neurologic and psychiatric symptoms, including cognitive decline, mood ...

ABSTRACT: Background: Vitamin B12 deficiency is prevalent among the elderly population and can present with a range of neurologic and psychiatric symptoms, including cognitive decline, mood ...

Psychomotor agitation involves repetitive, unintentional movements due to restlessness and anxiety. It can be caused by multiple health disorders, including bipolar disorder and ADHD. Symptoms include ...

Mental retardation is more common in males than females in the population, assumed to be due to mutations on the X chromosome. The prevalence of the 24 genes identified to date is low and less common ...