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‘Stress hormone’ cortisol is blamed for infertility, but major new study hints that could be wrong

By Kerry Fanson, Head of Wildlife Conservation and Reproductive Endocrinology Lab, La Trobe University
Phoebe Edwards, Assistant Professor, Department of Ecology, Evolution, and Organismal Biology, Iowa State University

Cortisol has been cast as a modern health villain, seeking to slowly destroy you. But it’s actually a critical hormone.

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