Showing posts with label Sperm. Show all posts
Showing posts with label Sperm. Show all posts

Wednesday, February 13, 2013

Deep-Voiced Men Have Lower Sperm Counts, Study Says



Listen up, ladies: The deep timbre of a male voice may sound attractive, but low-voiced men actually tend to have lower sperm counts, a new study says. Multiple studies have found that women usually favor masculine features, such as prominent jaws, high muscle mass, and low-pitched voices.

The theory is that these traits signal a high-quality mate—for instance, it's been proposed that masculine men generally have more robust amounts of sperm. But the new research revealed that, while deep voices are attractive to women, low-pitched men actually tended to have lower concentrations of sperm in their ejaculate.The finding suggests that men who evolutionarily invest most of their energy into making themselves attractive to females may suffer deficiencies in other areas—in this case, sperm counts. For instance, the male hormone testosterone—which lowers voice pitch—can thwart sperm production.

ST

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