Body sends signals before panic attacks

Panic attacks that seem to strike sufferers out-of-the-blue are not without warning after all.

A study based on 24-hour monitoring of panic sufferers while they went about their daily activities captured panic attacks as they happened and discovered waves of significant physiological instability for at least 60 minutes before patients’ awareness of the panic attacks.

Portable recorders captured changes in respiration, heart rate and other bodily functions.

The new findings suggest sufferers of panic attacks may be highly sensitive to — but unaware of — an accumulating pattern of subtle physiological instabilities that occur before an attack

Read more at Southern Methodist University