A woman's voice changes with her monthly cycle. Science says this is perceived as more attractive. See for yourself. Science of Sex Appeal: Voices on Estrogen More Videos Online

Science of Sex Appeal: Voices on Estrogen

A woman's voice changes with her monthly cycle. Science says this is perceived as more attractive. See for yourself.

Added: May 5, 2009
Views: 38333 Views
Runtime: 02:07

 
 
 

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