News tagged with male hormones

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Elaborate plumage due to testosterone?

(PhysOrg.com) -- In many bird species males have a more elaborate plumage than females. This elaborate plumage is often used to signal body condition, to intimidate rivals or to attract potential mates. In ...

Oct 21, 2011
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Genetic alteration linked with human male infertility

One in seven couples worldwide has difficulty conceiving a child, and male infertility is thought to account for nearly half of those cases. Although the cause of male infertility is often unknown, scientists ...

Sep 30, 2010
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