The endocryne theory of masculinity, like the brain-sex theory, has also been passed into journalistic common sense. Here, for example, is the opening of a recent newspaper article on snow=boarding safety:
The most delusional, risk-inducing cocktail in the world is [...] the red-hot blend of testosterone and adrenaline that squirts through the arteries of teenagers and young men. That is why more than 95 per cent of the injuries in snowboarding are experienced by males [...]
The account of natural masculinity that has been built up in sociobiology is almost entirely ficional. It presupposes broad differences in the character traits and behaviours of women and men. As I noted in Chapter 1, a great deal of research has now been done on the issue. The usual finding, on intellect, temperament and other personal traits, is that there are no measurable differences at all. Where differences appear, they are small compared to variation within either sex, and very small compared to differences in the social positioning of women and men. [...]