From Psychologies · Guillaume Servant · · 40s
Fear of uncertainty hurts happiness
Science shows how fear of the unknown reduces life satisfaction.
In brief
Science shows how fear of the unknown reduces life satisfaction. People with high intolerance to uncertainty have 43% lower life satisfaction due to increased mortality anxiety. Originally reported by Psychologies.
What happens when you fear the unknown
Some people feel deep distress when faced with uncertainty.
“This fear of the unknown colors all existence”
Science reveals the link
485 Turkish adults show intolerance to uncertainty reduces life satisfaction.
“This intolerance links to weaker life meaning and lower happiness”
How it works

High intolerance weakens life meaning, increasing mortality anxiety.
“This chain reduces life satisfaction by 43%”
Why it matters
This pattern holds even after major life events.
“The mental approach to uncertainty matters more than life challenges”
What to do
Build life meaning through values and relationships.
“Cultivating purpose protects well-being”
Next steps
Researchers will test this model in other cultures.
“We need to explore how cultural frameworks protect against uncertainty”
At a glance
People with high intolerance to uncertainty have 43% lower life satisfaction due to increased mortality anxiety.





