+Dyspnea is the subjective experience of difficult or uncomfortable breathing, often described as shortness of breath. This distressing sensation can arise from conditions affecting the [Lungs](/wiki/lungs) or [Heart](/wiki/heart), marking a struggle for air.
+## See also
+- [Breathing](/wiki/breathing)
+- [Asthma](/wiki/asthma)
+- [COPD](/wiki/copd)
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