Graph/Chart/Citation

This graph shows how many millions of people have Alzheimer's disease today. It also shows the projected number of people who will have this disease every twenty years.
Source:
"Dementia projected to double every 20 years by 2009 World Alzheimer’s Report." SENIOR JOURNAL.COM - Senior Citizens Information and News. Web. 16 Nov 2010.
http://seniorjournal.com/NEWS/Alzheimers/2009/20090921-WorldAlzDay.htm