Contagious yawning has been linked to empathy levels in several studies. However, new research in the journal Personality and Individual Differences finds that people with psychopathic traits—especially a lack of empathy—are not as susceptible to catching a case of the yawns. Jeff and Anthony discuss whether not "catching" a yawn makes you a psychopath, and specifically what that means for their own yawning habits.

GET BONUS EPISODES, VIDEO HANGOUTS AND MORE. VISIT: http://patreon.com/wehaveconcerns

Get all your sweet We Have Concerns merch by swinging by http://wehaveconcerns.com/shop

Hey! If you’re enjoying the show, please take a moment to rate/review it on whatever service you use to listen. Here’s the iTunes link: http://bit.ly/wehaveconcerns And here’s the Stitcher link: http://bit.ly/stitcherwhc

Jeff on Twitter: http://twitter.com/jeffcannata

Anthony on Twitter: http://twitter.com/acarboni

Today’s story was sent in by Andrew Tomlinson: http://mentalfloss.com/article/67644/new-study-shows-psychopaths-dont-catch-yawns

If you’ve seen a story you think belongs on the show, send it to [email protected] or leave it on the subreddit:http://reddit.com/r/wehaveconcerns