The study looked at chronic use of anticholinergic drugs by older adults. The drugs can include certain antihistamines and nighttime cold medicines.
By comparing African Americans in Indianapolis to Nigerians, researchers determined better access to health care could help prevent Alzheimer's Disease.
An Alzheimer's drug Eli Lilly is testing appears to reduce plaque build-up in the brain, but more research needs to be done.
Experimental drug shows a 34 percent reduction in memory loss for Alzheimer's patients.