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Published online 24 September 2001 | Nature | doi:10.1038/news010927-4

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Facilitation of affiliation and pair-bond formation by vasopressin receptor gene transfer into the ventral forebrain of a monogamous vole

Viral gene therapy makes males more faithful and friendly.

Spells and incantations step aside: scientists have found a genetic elixir of love. It makes males more faithful to females and more friendly to fellow males.

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