Similarly, putting worries in a box is analogous both to allowing rats to escape electric shock so as to enable their immune function relative to those who receive the same amount in fetters and to that allostatic loads build and subside as stressors are perceived for the time being.2
1Sapolsky, Robert. "Human Behavioral Biology." Aggression III. Stanford Courseworks. Stanford University, Stanford, CA. Web. 20 Nov. 2011. ‹http://youtu.be/EtVfoIkVSu8›.
2Sapolsky, Robert. Why Zebras Don't Get Ulcers. Updated. New York: W.H. Freeman and Company, 1998. Print.