The most common mental health disorder in older person is a . delirium b . alcoholism c. depression d. anxiety

D. Anxiety
Why? Anxiety, like depression, is among the most prevalent mental health problems among older adults. The two conditions often go hand in hand, with almost half of older adults who are diagnosed with a major depression also meeting the criteria for anxiety

I'd say 8. i'd u don't so what u should u don't get what u want.