Young women with anorexia nervosa exhibit increased vagal tone and parasympathetic activity, which may contribute to their higher cardiovascular mortality.
May link vagal hyperactivity to cardiovascular mortality in anorexia nervosa; hypothesis-generating, requiring prospective studies before clinical implications.
Our data demonstrate an increased vagal tone in young women with anorexia nervosa. The marked increase in parasympathetic activity, not in response to an increase in sympathetic activity, could be detrimental and may contribute to the higher cardiovascular mortality of these patients.
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Petretta et al. (1997) studied this question.
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