New estimates suggest that there were 4.7 million individuals aged 65 years or older with Alzheimer's disease dementia in the US in 2010 and that this number will triple to 13.8 million by 2050. These latest estimates, published online February 6 in Neurology , were devised by a team from the Rush Institute for Healthy Aging, Chicago, Illinois. "These are staggering numbers," coauthor Jennifer Weuve, MPH, ScD, commented to Medscape Medical News . "The ramifications for society and family caregivers in particular are huge." "This is not really a surprise," she added. "It's a bit like climate change. We've known about it for years but we haven't done much to stop it. Our data drum home the message that research into the prevention and treatment of Alzheimer's must be a priority, as well as developing better ways of managing patients with the condition and helping caregivers." A Complicated Task Weuve explained th