22 points, 2 comments on Hacker News
Source: [Hacker News](https://theconversation.com/more-testosterone-wont-make-a-better-soldier-or-a-tougher-man-aggression-and-strength-drive-t-levels-not-the-other-way-around-287828)
📰 Read Full Story
This is an aggregated headline summary. For the complete report, visit the original publisher.
Continue Reading at Hacker News ↗