When politicians debate an opponent, it's not just what they say that matters -- it's also how they say it. A new study shows that voters naturally prefer candidates with deeper voices, which they associate with strength and competence more than age. The researchers say our love lower-pitched voices may harken back to 'caveman instincts' associating leadership with physical prowess more than wisdom and experience.

Source: 'Caveman instincts' may favor deep-voiced politicians