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Writers have
-claimed that love is a drug. Scientists have gone a step
to prove this. They did tests on the
of prairie voles. Different
of voles were tested for
of dopamine, which plays a
in our seeking
. The researchers said the voles released a lot of dopamine when they were with their "
partner". Parts of the voles' brains lit up "like a
stick" when they saw their
.
