References used to create this graphic:
To download a pdf of this article, visit http://cenm.ag/stressanxiety.
To see more of Brunning’s work, go to http://compoundchem.com. To see all of C&EN’s Periodic Graphics, visit http://cenm.ag/periodicgraphics.
This article has been translated into Spanish by Divulgame.org and can be found here.