The science of 'Dad Brain' and how fatherhood changes men

While most scientific research has focused on men, when it comes to parenthood, it's all about mothers. But new research shows that men undergo profound changes biologically and psychologically when they become fathers. Horizons moderator William Brangham explores the surprising science of "Dad Brain" with Darby Saxbe. Watch PBS News for daily, breaking and live news, plus special coverage. We are home to PBS News Hour, ranked the most credible and objective TV news show. Sign up for Here's The Deal with Lisa Desjardins: https://to.pbs.org/41q6E8i Subscribe for exclusive content in our newsletters: https://www.pbs.org/newshour/subscribe PBS News podcasts: https://www.pbs.org/newshour/podcasts Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS News at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: TikTok: https://www.tiktok.com/@pbsnews X: http://www.twitter.com/newshour Instagram: http://www.instagram.com/newshour Facebook: https://www.facebook.com/newshour/