Final answer:
Individuals with generalized anxiety disorder often feel that they cannot control their worrying thoughts, and this perception of a lack of personal control is a critical component of the disorder, affecting one's well-being and stress levels.
Step-by-step explanation:
In the context of generalized anxiety disorder (GAD), individuals like Renee often acquire a perception that they cannot control their worrying thoughts. This perception falls under the broader challenges in feeling a sense of personal control, which is significant for well-being and managing stress.
In research literature, perceived control over one's life and outcomes has been shown to affect reactions to stress and is linked to both physical and mental health outcomes. The belief that we can exert influence and shape our environment and outcomes is a cornerstone of psychological well-being, while a lack of perceived control can lead to heightened anxiety and stress reactions.