ABSTRACT
This chapter deals with a brief overview of biological, cognitive, social, and emotional development in late life. Risk factors and correlates of insomnia in late life include demographic factors, such as female sex, older age, lower socioeconomic status, marital status, and race, as well as mental health problems and physical disorders. Hoarding disorder, which often goes untreated in late life. A large body of literature within the lifespan developmental psychology tradition offers theoretical and empirical explanations for normal development across the entire lifespan and into old age, but less often focuses on psychopathology. Where the disorder appears to increase or decrease in prevalence compared with earlier points in the lifespan, the chapter evaluates possible explanations for these age-related changes. These disorders include anxiety disorders, mood disorders and suicide, schizophrenia, substance use disorders, personality disorders, sleep disorders, and dementia. Alcohol use disorders are associated with severe mental and physical health consequences and increased risk of mortality.
