I've a few theories:
We study anatomy.
Nurses are either high tech or high touch. I think guys like both of these concepts.
Nurses are supposed to be very compassionate and nurturing. That sounds good to me, too.
Guys like thinking about "Head Nurses."
White support hose are alluring?
Here's one that was contributed by "an anonymous admirer": "Dressed in Virginal white, yet they know more about your body than YOU do!"
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