Self-Motivation
David Goggins
Former Navy Seal
Career Development
Bryan Cranston
Actor
Critical Thinking
Liv Boeree
International Poker Champion
Emotional Intelligence
Amaryllis Fox
Former CIA Clandestine Operative
Management
Chris Hadfield
Retired Canadian Astronaut & Author
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As belly size gets larger, the memory center in the brain gets smaller

Researchers at University College London link waist circumference with dementia.

Photos: Robyn Beck, Ronaldo Schemidt, Paul Ellis/AFP via Getty Images
  • Researchers at University College London have discovered a link between waist circumference and dementia.
  • Seventy-four percent of volunteers that developed dementia were overweight or obese.
  • Women with central obesity had a 39 percent greater risk of dementia.
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Midlife crisis? More like midlife calling. Here's how to find yours.

Did you know that shifting to a positive perspective on aging can add 7.5 years to your life? Or that there is a provable U-curve of happiness that shows people get happier after age 50?

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Regular volunteering maintains the health of older adults

Volunteering can feel great and make good things happen. Now we know it promotes your health too.

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  • A new study has confirmed that volunteering is good for your health.
  • The researchers found that volunteering two hours a week reduced the risk of death in older adults.
  • The test subjects also reported a greater sense of meaning, more optimism, and got more exercise.
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Sexual activity linked to higher cognitive function in older age

A joint study by two England universities explores the link between sex and cognitive function with some surprising differences in male and female outcomes in old age.

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  • A joint study by the universities of Coventry and Oxford in England has linked sexual activity with higher cognitive abilities in older age.
  • The results of this study suggest there are significant associations between sexual activity and number sequencing/word recall in men. In women, however, there was a significant association between sexual activity in word recall alone - number sequencing was not impacted.
  • The differences in testosterone (the male sex hormone) and oxytocin (a predominantly female hormone) may factor into why the male cognitive level changes much more during sexual activity in older age.
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It really is more difficult to learn a new language when you're older. Here's why...

It may be easiest when you're young, but the proven benefits of learning a new language at any age cannot be ignored.

  • We have two main memory systems that influence learning: declarative memory, which consists of facts that can be consciously recalled, and procedural memory, which consists of different "procedures" we learn that are more instinctual to recall.
  • Young children are able to access their procedural memory systems without the distraction of a declarative memory system. That means they can pick up grammar and language faster.
  • There are many ways you can make it easier to learn a second or third language as an adult, and there are many benefits to doing so.
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