People with psychiatric disorders tend to have fewer kids - so how do genes predisposing people to these disorders persist in the gene pool? http://journals.sagepub.com/doi/full/10.1177/0706743716632517 …pic.twitter.com/Np89vogoco
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Eugenics is. Almost everybody can have good kids that way.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.