Ever wondered why males in any population are often more likely to get infected, and transmit disease? Well, American biologists say that it may be because of the male sex hormone testosterone.
These findings suggest that even if some individuals in a population have high levels of testosterone, they can impact the behavior of those around, and drive the transmission of diseases transmitted by close contact such as the respiratory pathogen bordetella.
The study had been funded by the National Science Foundation.

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