Rumination: when you think through the same problem for the hundredth time

The message has been on your phone since yesterday. You read it again. Why was the reply so brief? Was your question awkward? Should you have written something different? Half an hour later, you have several possible explanations and no new information.

This is a fictional everyday example. It illustrates a distinction that can get lost in reflection: spending a long time thinking about something does not necessarily bring you closer to a solution.

When thinking starts going in circles

Edward Watkins's research review distinguishes useful and unhelpful forms of repetitive thought. Content, context and the kinds of questions involved matter. Thinking concretely about a next step differs from making a sweeping judgement about yourself. The review offers a theoretical account informed by research; it does not test one particular self-help exercise. [1]

In the message example, “Why am I always so difficult?” and “What information am I missing?” ask different things. The first calls for a judgement about who you are. The second can at least be narrowed down.

One practical signal is returning to the same assumptions without a new observation or an actionable decision. This is not a diagnosis. Extended reflection can also be useful, including when facing an important decision or a loss.

What treatment studies show

A 2025 meta-analysis by Stenzel and colleagues included 55 studies involving 4,970 participants. Cognitive behavioural therapies reduced repetitive negative thinking compared with control conditions. Problems, programmes and controls varied, and many studies had methodological weaknesses. Smaller studies tended to report larger effects. An average group result says little about one individual's outcome. A correction published in January 2026 changed the classification of some therapies and subgroup estimates. [2, 3]

An earlier randomised trial of rumination-focused CBT included just 42 people with residual depressive symptoms. Additional therapy sessions were beneficial, but there was no equally intensive attention control. This makes it difficult to separate specific treatment content from general therapeutic support. [4]

These findings concern treatments. They do not demonstrate that a particular phrase, distraction or app reliably ends a thought loop.

From a judgement about yourself to a concrete question

As an original reflection suggestion, you might write down one recurring question and consider:

• What observable situation is bothering me?

• What do I know, and what am I assuming?

• Is there a small action that could provide new information?

• If nothing can be clarified now, what would I like to spend the next part of my time doing?

“What is wrong with me?” might become: “The brief reply has left me uncertain. If our arrangement is still unclear, I will ask tomorrow.” The aim is not to treat the kindest explanation as an established fact.

You do not have to eliminate the thought before doing something else. In this example, the person might water a plant or prepare dinner while uncertainty remains. You can notice whether that fits your situation; you do not have to achieve a particular effect.

When rumination accompanies a real problem

Some recurring questions concern genuinely difficult circumstances: money worries, discrimination, illness or conflict. Practical support may be needed alongside a different relationship with your thoughts. A change in thinking alone cannot reliably change a distressing environment.

If the loops take up a lot of time, disrupt sleep or daily life, or accompany persistent anxiety or low mood, professional support may be helpful. Together, you can explore what keeps the thinking going and which treatment fits.

For today, a small distinction may be enough: identifying which question can actually be answered, instead of searching for a hundredth explanation.

This article provides information and does not replace individual advice or therapy.

Sources and further reading

[1] Watkins, E. R. (2008). Constructive and unconstructive repetitive thought. Psychological Bulletin, 134, 163–206. https://doi.org/10.1037/0033-2909.134.2.163

[2] Stenzel, K. L., et al. (2025). Efficacy of cognitive behavioral therapy in treating repetitive negative thinking, rumination, and worry – a transdiagnostic meta-analysis. Psychological Medicine, 55, e31. https://doi.org/10.1017/S0033291725000017

[3] Stenzel, K. L., et al. (2026). Corrigendum to the above meta-analysis. Psychological Medicine, 56, e31. https://doi.org/10.1017/S0033291726103304

[4] Watkins, E. R., et al. (2011). Rumination-focused cognitive-behavioural therapy for residual depression: phase II randomised controlled trial. British Journal of Psychiatry, 199, 317–322. https://doi.org/10.1192/bjp.bp.110.090282

Sources checked on 20 October 2026.