There's some evidence that people who are pessimistic or depressed (or both) may be at higher risk for developing dementia in later life.
Being pessimistic or depressed could mean a 30% increase in the risk of developing dementia. Scoring high for both anxiety and pessimism could mean a 40% increase.
Living a full, happy, active life - while not always easy - is some good advice.
I wonder if this is related to other studies that show:
-Participating in a variety of exercises is more important than the intensity of the exercises, or
-Studies that recommend keeping your mind active by reading, doing crossword puzzles, enjoying a variety of hobbies or having a challenging career.
Variety seems to be important in exercising your mind to keep it functioning properly. Always looking at the glass as half empty is limiting and lacks the variety that being open-minded can bring.
Links:
Pessimism and Depression Increase Dementia Risk - Mayo Clinic
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