The aging brain goes through predictable changes, and as a result, old age is usually accompanied by some cognitive decline, even dementia. Happily, some of the risk factors for mental aging are open to intervention.
This research replicates previous work showing that older adults remember less and are more distractible than younger adults. However, this work also suggests that there is a silver lining to this combination.
Humans are complex animals. Our intelligence is a complex adaptation. And the diverse and surprising ways in which we use it today suggest that we owe it to more than a handful of simplistic evolutionary scenarios.
If a woman has low bone density, the new study results suggest that discussing estrogen treatment with their physician may be a useful option, especially if she is relatively early in the postmenopausal stage.
If you followed news coverage on the release of the National Alzheimer's Plan, you'd probably conclude that the solution to maintain lifelong brain health is simple: Simply wait until 2025 for a "magic bullet" to be discovered to cure Alzheimer's disease.