According the Mayo Clinic:<ref>[https://www.mayoclinic.org/healthy-lifestyle/stress-management/in-depth/positive-thinking/art-20043950 Positive thinking: Stop negative self-talk to reduce stress]</ref>
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According the Mayo Clinic negative thinking involves:<ref>[https://www.mayoclinic.org/healthy-lifestyle/stress-management/in-depth/positive-thinking/art-20043950 Positive thinking: Stop negative self-talk to reduce stress]</ref>
- '''Filtering.''' Magnify the negative aspects of a situation and filtering out all the positive ones.
- '''Filtering.''' Magnify the negative aspects of a situation and filtering out all the positive ones.