Feature Health & Medicine Memories Can’t Wait Researchers rethink the role of amyloid in causing Alzheimer’s By Laura Sanders February 25, 2011 at 6:00 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print The polite term for what Alzheimer’s disease does to the brain is “neurodegeneration.” Differences in a healthy brain (top) and a diseased one (bottom) clearly show the damage wrought by Alzheimer’s. © Maggie Steber/National Geographic Society, Corbis ALZHEIMER’S BOOM As the baby boomers age, the number of elderly Americans with Alzheimer’s is projected to reach 13.5