Ключевые слова: adult, aging, alzheimer, alzheimers, amnesia, apoplexy, awareness, brain, caucasian, concept, confusion, damage, decline, degeneration, dementia, depression, disease, elder, expression, function, head, headache, health, healthcare, illness, insult, intelligence, issues, loss, lost, male, man, medicine, memory, mental, mind, motor, neurology, old, pensioner, people, person, problem, retired, sad, schizophrenia, senior, skills, stress, worried,