Research has shown that there is a lag of many years between the beginning of changes in a patient’s brain and the onset of Alzheimer’s symptoms.
Alzheimer’s disease is a nightmare haunting many Americans.
Despite years of intensive efforts by scientists to develop new safe and effective treatments for Alzheimer’s, options remain limited. In the last 20 years, FDA has approved five drugs for the disease—the most recent one in 2003. Although the drugs can provide some benefit, more needs to be done.