"Cognitive decline is not inevitable," says senior author Henne Holstege, PhD, assistant professor, Amsterdam Alzheimer Center and Clinical Genetics, Amsterdam University Medical Center, Amsterdam, the Netherlands, talking to Medscape Medical News."At 100 years or older, high levels of cognitive performance can be maintained for several years, even when individuals are exposed to risk factors associated with cognitive decline," she said.
Read the article on WebMD. You're never too old to rock 'n roll. It's called "neoteny" -- and if you don't know what this read my book. You can be "old" and stupid at 30. "Young" and smart at a 100.