What are the negative effects of intentional thought and emotion suppression?

The intentional suppression of unwanted thoughts and emotions can contribute to the persistence of anxiety.
The suppression of anxious thoughts and emotions is a healthy coping strategy for reducing anxious thoughts and anxiety.
Individuals with anxiety disorders are less effective than non-clinical individuals in suppressing anxious thoughts and emotions.
The suppression of anxious thoughts and emotions can have negative effects on mood and contribute to the escalation of anxiety.