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Published online 8 April 2008 | Nature | doi:10.1038/news.2008.743
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Fear in the genes
Fear is partly down to your genes, but this process changes as you grow older.
If snakes strike terror in your toddler's heart, he might still grow to be brave. A tendency toward fearfulness does have genetic underpinnings, but those shift several times as children become adults, a study has found.
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