Science Says It's Okay To Marry Your Cousin But Not For Your Kids To Marry Theirs A new study shows that it is okay for people to marry their first cousins, their children probably shouldn't follow suit. Marrying cousins used to be more popular but has fallen out of favor. by Jean-Pierre Chigne
Science World's Biggest Family Tree Reveals When Americans Stopped Marrying Their Cousins by Samriddhi Dastidar