A very long time ago women were told that they were not suitable to study in the mathematics and sciences fields because their brains would overheat. In the last century we should have moved on from this type of neanderthal thinking. A recent report [apa.org] released by the APA indicates otherwise with it's theme of male traits being seen as harmful [news.com.au]. Traits such as toughness, aggression, a suppression of emotion, dominance and stoicism are described as being toxic.