New cause of cognitive decline in aging population discovered in nerve cell specializations

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1. New compound improves cognitive decline, symptoms of Alzheimer's disease in rodents
   A fast-acting compound that appears to improve cognitive function impairments in mice similar to those found in patients with progressive Alzheimer's disease has been identified by scientists. Researchers hope to one day replicate the result in humans.
2. Cognitive Decline Begins In Late 20s, Study Suggests
   A new study indicates that some aspects of peoples' cognitive skills -- such as the ability to make rapid comparisons, remember unrelated information and detect relationships -- peak at about the age of 22, and then begin a slow decline starting around age 27.
3. Diabetes And Elevated Levels Of Cholesterol Linked To Faster Cognitive Decline In Alzheimer's Patients
   A history of diabetes and elevated levels of cholesterol, especially LDL cholesterol, are associated with faster cognitive decline in patients with Alzheimer's disease, according to a new study. These results add further evidence of the role of vascular risk factors in the onset and progression of Alzheimer's disease.
4. Alzheimer's Symptoms Reversed: Blood Stem Cell Growth Factor Reverses Memory Decline In Mice
   A human growth factor that stimulates blood stem cells to proliferate in bone marrow reverses memory impairment in mice genetically altered to develop Alzheimer's disease, a new study finds.
5. 'Heart Healthy' Diet And Ongoing, Moderate Physical Activity May Protect Against Cognitive Decline
   Eating a "heart healthy" diet and maintaining or increasing participation in moderate physical activity may help preserve our memory and thinking abilities as we age, according to new research.