Why inability to cope with uncertainty may cause mental health problems

Not knowing is an uncomfortable experience. As human beings, we are naturally curious. We seek to understand, predict and control – it helps us learn and it keeps us safe. Uncertainty can feel dangerous because we cannot predict with complete confidence what will happen. As a result, both our hearts and minds may race.

While it is quite natural to experience uncertainty as uncomfortable, for some it is seemingly unbearable. Psychologists have even suggested that finding it difficult to cope with the experience of not knowing (also known as intolerance of uncertainty) could seriously affect our mental health – occurring alongside a number of conditions. But does it play any part in causing them? My review, published in Cognitive Therapy and Research, aimed to find out.

It’s easy to see how the concept of uncertainty is linked to mental health. If uncertainty can feel dangerous, then it might feed our worry and anxiety. What’s more, if getting rid of that feeling of uncertainty feels essential, then the compulsion to wash our hands again and again to make sure they are clean and safe might also feel essential.

And if we ultimately feel unable to cope with the change and unpredictability life throws at us, then it’s understandable that we are at risk of feeling defeated and depressed.

The unknown is often worse in our imagination. Marcos Mesa Sam Wordley/shutterstcok

The science

By looking at the scientific evidence as a whole, I asked whether intolerance of uncertainty really has the far reaching influence on mental health difficulties suggested. And importantly, does it cause those difficulties?

The answer is not straightforward. Overall, the evidence is full of mixed findings and there are strikingly few studies that actually test what happens to a person’s mental health when their ability to tolerate uncertainty changes. Such change does seem possible. We see it in the lab, such as when people are encouraged to think of uncertainty as a problem versus something that can be accepted. And we see it in therapy, through treatments like cognitive behavioural therapy – which helps people manage their problems by changing how they think or act.

We are certainly not at the point where we can confidently explain what role our response to uncertainty plays in our mental health, but we can cautiously offer some possibilities based on the research as a whole. While the findings are mixed, the best evidence that intolerance of uncertainty may cause mental health difficulties is for anxiety. In fact, a number of studies have found it may cause or increase symptoms of anxiety. That’s because when we struggle to cope with the experience of uncertainty, our minds may worry and come up with an increasing number of frightening possibilities.

The struggle with uncertainty might also help us understand depression. Some evidence suggests that we may find that our mood is more negative when we feel less able to cope with the unknown. But low mood is only part of the experience of depression, so fuller investigation is needed.

Perhaps surprisingly, there is little evidence to support the idea that difficulty in dealing with uncertainty plays a part in causing the compulsions and obsessions seen in OCD. But, of the difficulties that have been explored, this is also the area with the least research.

Originally Published by The Conversation, continue reading here.

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