Stress is a common factor amongst people from various walks of life. We cannot say for sure, which strata of society will be targeted most by this culprit. There are different types of stress and different types of people . Of course reactions to stress vary from person to person. Some people are more reactive to stress than others.
The body's stress response also varies from person to person. People have various triggers. The body is more responsive to a perceived stress trigger rather than an actual one. Some people may calm down easily, others could take a long time to settle down.