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Could That Stream of Negative Thoughts Affect Your Mental Health?

negative thoughts and mental health
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Written by Andrew Le, MD.
Medically reviewed by
Last updated June 12, 2025

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Your mind is like a radio that never turns off. Most days, the volume is manageable—background static, the usual chatter. But some days, that static gets louder. A snide comment loops on repeat. A past mistake replays in high-def. The worst-case scenario becomes the only scenario.

Why does your brain default to the dark side so easily? And more importantly—how do you stop it from running the show?

Everyone has negative thoughts from time to time. But when they stick around or take over, they can do real damage to your mood and your overall health. Negative thoughts often sound like inner criticism.

Negative thoughts are tied to how we see ourselves, how we expect others to treat us, and how we interpret the world around us. And while one bad thought won’t hurt you, a steady stream of them can affect everything from your relationships to your mental health. It can influence how your body feels and behaves.

How Negative Thoughts Affect Your Mental Health

Your thoughts do more than pass through your mind—they shape how you feel, how you act, and how you experience life.

Negative thought patterns can distort how you see yourself, your relationships, and the world around you. Over time, this mental filter can raise stress levels, fuel anxiety, and contribute to depression. According to experts, thoughts and emotions are deeply connected—what you think often drives how you feel.

Positive thoughts can help build resilience, support emotional balance, and promote a healthier mindset. But the reverse is also true: chronic negative thoughts can make it harder to manage emotions, recover from setbacks, or stay mentally well.

This matters because mental health is a major part of overall well-being. And while emotions are natural responses to life, how we think about and process those emotions plays a huge role in whether we feel grounded or overwhelmed.

Common Types of Negative Thoughts

Negative thought patterns can happen to everyone, and they can make you feel worse and stop you from enjoying life. These types of thoughts are often automatic—you might not even notice them right away. Here are some common ones to watch out for:

  1. All-or-Nothing Thinking – You believe things are either all good or all bad. If something isn’t perfect, you feel like a total failure.
  2. Overgeneralization – You think one bad thing means everything will always go wrong.
  3. Mental Filter – You focus only on the bad parts and ignore the good, like one drop of ink that turns all the water black.
  4. Disqualifying the Positive – You ignore good things that happen and say they don’t count, even when they do.
  5. Jumping to Conclusions – You make a bad guess without real proof.
    • Mind Reading: You assume people are thinking badly about you, even if they haven’t said anything.
    • Fortune Telling: You’re sure something bad will happen, even if you don’t know for sure.
  6. Magnification or Minimization – You make problems seem way bigger than they are or make good things about yourself seem very small.
  7. Emotional Reasoning – You believe something must be true just because you feel it. For example, “I feel scared, so I must be in danger.”
  8. Should Statements – You tell yourself what you should or must do and feel guilty if you don’t. When you do this to others, you get angry or upset.
  9. Labeling and Mislabeling – You call yourself or others hurtful names instead of just saying what happened. For example, “I made a mistake” turns into “I’m a loser.”
  10. Personalization – You blame yourself for things that weren’t really your fault.

Noticing these negative thought patterns is the first step toward changing them. With practice, you can learn to spot them and replace them with more helpful ones.

What are the Triggers of Negative Thought Patterns

Negative thoughts don’t come out of nowhere. They usually follow a pattern—often tied to how we handle stress, uncertainty, or past experiences. Spotting your triggers makes it easier to break the cycle.

  • Overthinking - You confuse problem-solving with overthinking. One helps you move forward, the other keeps you stuck.
  • Revisits the Past - If you’re constantly revisiting mistakes or regrets, you’re looping into the past.
  • Fear-Based Thinking - You keep on worrying about the future, but assuming the worst is a habit that wears you down. Although you perfectly know that you can’t control what’s coming.
  • Self-Criticism - There’s a difference between self-awareness and self-attack. If your inner voice sounds more like a bully than a coach, that’s a red flag.
  • Assumptions About Others - If you’re constantly guessing what others think of you and always assuming it’s negative, you’re not reading minds; you’re projecting.
  • Catastrophizing - You jump straight to worst-case scenarios, and you may feel like it is a way to brace for impact, but it only adds stress.
  • Blame Games - You somehow blame yourself for things outside your control, and it’s not accountability but self-punishment.
  • Labels That Stick - “I’m not good at relationships.” “I’m a failure.” Oftentimes, you label yourself like this, which can come from one moment or experience. It becomes a problem when you make it your identity.

How to Break the Cycle of Negative Thoughts

Negative thinking can feel like quicksand—the more you wrestle with it, the deeper you sink. But simple, science-backed strategies can help interrupt the spiral and give you room to breathe.

1. Hit Pause

Before trying to “fix” your thoughts, just pause. Seriously—stop what you're doing. Feel your feet on the ground. Listen to the sounds around you. Notice what you smell, see, or feel physically. This pulls you out of your head and back into the present.

2. Notice What’s Happening

Now, take a step back and look at what your mind’s doing. Are you replaying a conversation? Criticizing yourself? Predicting a worst-case scenario? Ask yourself: Is this mental loop helping me or just wearing me out? Being aware of your thought patterns is the first step to loosening their grip.

3. Label the Thought

Instead of trying to suppress or argue with your thoughts, try labeling them. For example, instead of saying “I’m a failure,” reframe it as: “I’m having the thought that I’m a failure.”

That one tweak helps you see the thought as a mental event. You’re creating distance between yourself and the thought, making it easier to let it pass.

4. Choose What Matters

Once you’ve slowed things down, you get to choose your next move. Will you keep spinning your wheels? Or can you take one small step toward something that actually matters to you—like texting a friend, stepping outside, or returning to a task you care about? The goal is to stop letting them run the show.

Final Thoughts

Taking back control starts with small steps—pausing, noticing, and choosing. Your thoughts may feel loud and powerful, but they’re not in charge unless you let them be. By spotting patterns and interrupting them early, you give yourself a real chance to shift your perspective. It won’t always be easy, but it is possible. And the more you practice, the stronger that mental muscle grows.

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The stories shared below are not written by Buoy employees. Buoy does not endorse any of the information in these stories. Whenever you have questions or concerns about a medical condition, you should always contact your doctor or a healthcare provider.
Jeff brings to Buoy over 20 years of clinical experience as a physician assistant in urgent care and internal medicine. He also has extensive experience in healthcare administration, most recently as developer and director of an urgent care center. While completing his doctorate in Health Sciences at A.T. Still University, Jeff studied population health, healthcare systems, and evidence-based medi...
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