"While there’s currently no proven method to preserve cortex volume, research has shown specific lifestyle changes that seniors can perform to help keep themselves sharp as they age, Kornel and Wright said. These include:
- Regular physical exercise, including strength training.
- A healthy and balanced diet.
- Brain workouts that involve challenging puzzles or tasks.
- An active social life."
Links to recent research on lifestyle and cognitive decline:
https://s3-us-west-1.amazonaws.com/paperchase-aging/pdf/NjJf3fWGKw4e99CyC.pdf This is the 2014 article with the chart on lifestyle changes like diet, exercise, supplements.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4931830/ This is the follow up article on the previous one. Reports on changes and brain scans.
https://www.jstage.jst.go.jp/article/circj/81/2/81_CJ-16-1011/_pdf Published this year about B12 and homocysteine.
http://www.buckinstitute.org/buck-news/Memory-loss-associated-with-Alzheimers-reversed The above cognitive studies explained in everyday English