Final answer:
People who are psychologically resilient are less likely to become ill under the impact of stress.
Step-by-step explanation:
People who are psychologically resilient are less likely to become ill under the impact of stress compared to those who are psychologically vulnerable. Resilience refers to an individual's ability to bounce back from difficult situations or setbacks. When faced with stress, resilient people are more likely to adapt and find positive coping strategies to protect their physical and mental health.