Gene variation may predict rate of age-related cognitive decline.  Research shows this key gene produces a protein associated with healthy brain function.
D000375:Aging / Q000235:genetics* / Q000502:physiology; D001921:Brain / Q000502:physiology*; D019208:Brain-Derived Neurotrophic Factor / Q000235:genetics* / Q000502:physiology; D003072:Cognition Disorders / Q000235:genetics*; D015444:Exercise / Q000502:physiology; D014644:Genetic Variation; D006801:Humans; D008606:Mental Processes / Q000502:physiology
D019208:Brain-Derived Neurotrophic Factor