 Older adults are more likely than younger adults to have one or more chronic health conditions, such as diabetes, cardiovascular disease, cancer, arthritis, hearing impairment, or a form of dementia such as Alzheimer's disease.As well, drug metabolism changes with aging, adding to the complexity of health needs.Gerontological nurses work in a variety of settings, including acute care hospitals, rehabilitation, nursing homes (also known as long-term care homes and skilled nursing facilities), assisted living facilities, retirement homes, community health agencies, and the patient's home.