In China they have been used for years as a tonic for male infertility. Mainly in part due to its ability to modulate testosterone production.  In boutique Chinese supplement stores, you'll often find ornate jars of Cordyceps locked behind a secure display case - one normally reserved for items like diamonds and firearms.
For the wild (most potent) strain of cordyceps, they cost more per gram than gold or even cocaine to be put into perceptive.
Stress has little or no benefit in modern society and any stress that can be removed from day to day life is a good thing.
Taking adaptogens on a daily basis will increase your quality of life and productivity. Here's why