What is one of the most common diagnosed mental illnesses in the elderly?

Depression is one of the most commonly diagnosed mental illnesses in the elderly due to various factors that contribute to its prevalence in this age group. Aging often brings a range of life changes, such as the loss of loved ones, declining health, and increased social isolation, all of which can lead to feelings of sadness and hopelessness. Additionally, older adults may experience hormonal and neurological changes that affect mood regulation and increase vulnerability to depression.

While anxiety is also prevalent among seniors, particularly due to concerns about health and independence, studies consistently show that depression has significant impacts on this demographic and is frequently underdiagnosed and undertreated. Schizophrenia is much less common in the elderly population compared to younger adults, and Alzheimer's disease primarily affects cognitive functioning rather than being classified strictly as a mental illness like depression. Therefore, recognizing and addressing depression in the elderly is crucial for enhancing their quality of life and overall well-being.