Immunology

Why do more women have asthma than men? Blame hormones

Women are twice as likely as men to have asthma, and this gender difference may be caused by the effects of sex hormones on lung cells. Researchers at Vanderbilt University and Johns Hopkins found that testosterone hindered ...

Medical research

New technique overcomes genetic cause of infertility

Scientists have created healthy offspring from genetically infertile male mice, offering a potential new approach to tackling a common genetic cause of human infertility.

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