Ключевые слова: age, aging, alzheimers, awareness, background, brain, cerebral, clinic, concept, cure, dementia, diagnosis, disability, disease, disorder, elderly, health, health care, letter, medicals, medicine, mental, message, mind, nerve, nervous, neurology, old, parkinsons, patient, prevention, problem, research, resort, senior, shaking, support, symbols, symptom, symptoms, text, therapy, treatment, tremor, word,