The writing is: “Epicurean Stability (eustatheia): A Philosophical Approach of Stress Management”, by Christos Yapijakis and George P. Chrousos, medical professionals teaching at National and Kapodistrian University of Athens, Greece.
Thank you, Patrikios . I found a PDF version of that essay here: https://societyofepicurus.com/wp-content/upl…-Eustatheia.pdf