This is a common human infection. National Center for PTSD. It's like suffering the effects of changing time zones without leaving the country. viagra cheap The cats then become infected by eating infected rats. McCann, Endocrine and physiological changes during spontaneous panic attacks, Psychoneuroendocrinology, Volume 12, Issue 5, 1987, Pages 321-331, ISSN 0306-4530, 10. What's worrisome is when the body's clocks stay unsynchronized chronically, and lots of systems begin to go haywire. viagra cheap Men infected with the pathogen tend to become more likely to disregard rules. Mendel JG, Klein DF. Over time, "people can develop glucose intolerance, high blood pressure, or suffer cardiovascular events. viagra cheap They are more suspicious, jealous, and dogmatic. Anxiety attacks with subsequent agoraphobia. They may even have trouble losing weight," Scheer warns. viagra cheap Curiously, infected women often show more warmth and self-confidence. Types of Anxiety Disorders : Georgetown University, n. Exactly how glucose intolerance or high blood pressure could result from a disrupted circadian clock is still being worked out.