There has been a lot of publicity lately about "man-flu", where men get sicker than women.
This was based on a study (BMJ 2017;359:j5560) where the author reviewed studies suggesting that males have weaker immune systems than females, perhaps owing to hormone differences between the sexes. They surmised that this may be an evolutionary adaption so sick men would be less likely to expose themselves to risk of hunting when sick.
There was actually no evidence for the existence of a man-flu to be anything more than the Oxford definition "a cold or similar minor ailment as experienced by a man who is regarded as exaggerating the severity of the symptoms." Sorry guys.
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