Word Origin & History. aphorism 1520s (especially in ref. to the Aphorisms of Hippocrates), from M.Fr. aphorisme, from L.L. aphorismus, from Gk. aphorismos definition, pithy sentence, from aphorizein to mark off, divide, from apo- from + horizein to bound..
Fatigue and Shortness of breath. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms fatigue and shortness of breath including Heart rhythm disorder, Anemia, and Medication reaction or side-effect.
There are also health conditions like asthma that can lead to rapid breathing and a lack of air, and since asthma and related conditions are scary, that can also cause anxiety. It's important to note that you should always visit a doctor if you feel like lack of air is a problem.