This NBCnews.com article specifies just how much, in counters, treatment for Alzheimer's disease will cost. Below is a direct quote from that piece:
"...A devastating disease
To truly understand just how catastrophic an illness Alzheimer's is, consider that it is the only cause of death among the top 10 in the U.S. that can't yet be prevented, cured or even slowed. Someone diagnosed with cancer, heart disease or even HIV/AIDS has a better chance of surviving — and having a better quality of life while battling the disease — than a person diagnosed with Alzheimer's.
According to the Alzheimer's Association, there are now 5.3 million Americans age 65 and older living with the disease. The total direct cost to the U.S. economy of caring for those with Alzheimer's: a staggering $226 billion, with half being borne by Medicare.
Delaying the onset of the disease by just five years, research studies show, could decrease Medicare spending by 50 percent. That's an important point to consider, because economists forecast that unless something is done to cure or even slow the symptoms, the number of people with Alzheimer's will rise to 16 million by 2050 and cost the U.S. economy $1.1 trillion. The portion covered by Medicare will balloon to $589 billion..."