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From Marlene Dietrich to Mariella Frostrup, husky-voiced women are often thought of as "sexier" than their squeakier peers. But research from Canada suggests that men actually prefer women with higher-pitched voices.

A study of the Hadza people of Tanzania by academics from McMaster University's department of psychology, neuroscience and behaviour showed that men were more attracted to women with higher voices. A higher pitch was associated with subordination, femininity, health and youthfulness. By contrast, women preferred men with deeper voices.