Anxiety and worry are two different things
People use the two words as if they mean the same thing, and in everyday talk that is fine. For getting out of the loop, it helps to pull them apart.
Anxiety
A feeling
Unease about something uncertain or still to come. You notice it in your body: a tight chest, a knot in your stomach, restlessness, a sense that something has to be done right now.
Worry
Something you do
The thinking that follows the feeling. You go over what might happen, picture the worst, and rehearse how you would handle it. It is almost always about the future.
A feeling arrives on its own. Worrying is a response to it, and responses can change with practice.
The worry loop
Jud Brewer, a psychiatrist who studies habits and anxiety, describes anxiety as a habit loop, the same kind of loop that sits behind any habit. The idea builds on a 1985 paper by the psychologist Tom Borkovec, who suggested that worry may be what keeps anxiety going, rather than only a result of it.
The loop has three parts.
The anxiety habit loop
The trigger is a feeling of anxiety or uncertainty, or a thought about something that could go wrong. The behavior is worrying: replaying possibilities, imagining worst cases, analyzing what might happen, rehearsing how you would cope. The reward is that worrying feels productive. It gives you something to do, and it can bring a short sense of relief or control.
The trouble is that worrying doesn't settle the uncertainty. Picturing a threatening outcome over and over keeps the threat switched on in your mind. The relief fades, the anxiety comes back, and that becomes the trigger for the next round.
Here is how it looks in daily life. Dana has a work review on Thursday. On Tuesday night she feels a flutter of dread and starts running through what her manager might say and how she would answer. For a few minutes it feels like preparing. By midnight she is more wound up than when she started, and nothing about Thursday has changed.
Why worrying feels like it helps
Anxiety comes with an uncomfortable push to do something. When the problem is right in front of you, doing something is the right call. If the car won't start, you phone for help.
Most anxiety is about the future, and the future can't be solved today. The push to act has nowhere to go, so your mind finds a job for it, which is worrying. A job feels better than sitting with not knowing.
Feeling better for a minute is not the same as solving anything, and that gap is what keeps the habit going. The relief is real. It just doesn't last, and it costs you more anxiety later.
What to do when you catch yourself worrying
You will never be fully sure how things will turn out, and more thinking won't change that. What you can practice is feeling unsure without answering it with worry.
- Notice it. Name what is happening, silently or out loud: "I'm feeling uncertain, and my brain is starting to worry." Naming it puts a little space between you and the habit.
- Get curious. Ask what set this off, what you are doing in response, and whether the worry is helping you solve anything today.
- Act or allow. If there is a real step you can take, take it, or put it on your calendar. If there is nothing to do yet, let the uncertainty sit there without trying to think your way out of it.
- Come back. Notice how the anxiety feels in your body, with interest instead of alarm. Then bring your attention back to what is in front of you.
Back to Dana. On Tuesday night she catches the flutter and tells herself, "My brain is starting to worry." She asks whether there is anything she can do tonight, and there is one thing: she writes down the two points she wants to make on Thursday. After that there is nothing left to do, so she lets the not-knowing sit there, notices the tightness in her chest, and goes back to the show she was watching.
Expect to do this many times. Over time you are teaching your brain a different response: uncertainty does not have to mean worry.
A one-page version of this guide, with the loop and the four steps, to print or keep on your phone.
Download the one-page PDFWhen worry is more than a habit
Seeing anxiety as a habit is one useful way in, and it fits many people. It is not the whole picture for everyone. Anxiety disorders are real and treatable, and therapy, medication, or both help many people.
If worry is taking over your days, your sleep, or your work, or if it comes with panic attacks, a past trauma, or a low mood that won't lift, talk with a clinician instead of managing it alone.
Other anxiety guides
These guides cover anxiety in general and other kinds of anxiety:
This guide draws on Jud Brewer, MD, PhD, "What If Anxiety Is a Habit, Not a Disorder?" (2025), and on Thomas Borkovec's 1985 paper "Worry: a potentially valuable concept" (Behaviour Research and Therapy). Dana is a made-up example.