Heart and Vole

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In an attempt to find the secret to a successful long-term relationship, scientists have been studying a small creature known as the prairie vole – one of nature’s few strictly monogamous species.

The results of their experiments show that these fluffy little bundles secrete high levels of a peptide hormone known as vasopressin when they settle with a mate – a chemical which ‘rewards’ the brain for fidelity.

Interestingly, vasopressin is also secreted by humans.  It’s the same hormone that keeps you from pissing the bed in the night.

Tags: love, prairie voles
Posted in Animals |