Is every dementia the same as Alzheimers - | Learning, Brain & Cognitive Fitness |

Dementia is not a specific disease. It is the description of any progressive disorder that takes away a patient’s cognitive and functional abilities. Approximately 3.4 million people age 71 and older in the United States have dementia, and an estimated 5.3 million Americans of all ages have Alzheimer’s disease. Almost 18 million people worldwide have the degenerative disease.