Alzheimer's disease (AD), also referred to simply as Alzheimer's, is a chronic neurodegenerative disease that usually starts slowly and worsens over time.
48 million people worldwide have dementia (Alzheimer’s disease is the most common cause of dementia and may contribute to 60-70% of cases).¹ Alzheimer’s
disease occurs most frequently in people over 65 years.2 It is predicted that the number of people affected by dementia will almost double every 20 years.3 People with Alzheimer’s live an average of 8 years after their symptoms become noticeable to others. ²
1. http://www.who.int/mediacentre/factsheets/fs362/en/ (December 2016)
2. http://www.alz.org/alzheimers_disease_what_is_alzheimers.asp (December 2016)