In 1997, Dr. Norman Kaplan published a paper entitled "Anxiety-Induced Hyperventilation: A Common Cause of Symptoms in Patients With Hypertension," in which he described a series of 300 patients ...

Just pondering whether your pilot is well-rested or if your plane's instruments are intact could spark the jitters. Add a fear of hyperventilation or a panic attack in-flight and it's easy to see ...