Page 9 - What_keeps_you_sharp
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How do the survey results
match other research?
In one big study of how genes might affect changes in thinking skills across the life course, the results suggested that maybe about 25% of the changes we experience were due to genes.
That result is interesting as it suggests the changes in our thinking skills might be more affected by our lifestyles (and also the environment and how our genes interact with those factors). In fact, our lifestyles might account for as much as 75% of the changes.
That’s important because if our lifestyles have a role to play, these are the kinds of things we have more control of than our genes. If we know what those lifestyle factors are maybe we can do more (or less) of them to help our thinking skills as we age...but more on that later.
Deary, I. J. et al. (2012). Genetic contributions to stability and change in intelligence from childhood to old age. Nature, 482, 212–215. doi:10.1038/nature10781
What keeps you sharp? A national survey about what people in the UK think about their thinking skills

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