Abstract
Although Salivary Alpha Amylase (SAA) has been investigated during past thirty years as a biomarker of stress, still remains certain doubt regarding its utility. Additionally, there has been a lot of debate whether SAA relects sympathetic activity solely, however, recent data suggested that this is unlikely due to the parasympathetic activity which innervates salivary glands whose product is SAA [1]. Another interesting issue regarding SAA is whether SAA could serve as a biomarker of chronic stress as it has been usually investigated in acute stress. Most of the studies performed investigated SAA as a biomarker of acute stress, i.e. while watching fearful video, participating in the “Fear Challenge Course“, during exams, jumping from plane, however, data are lacking regarding SAAas a biomarker in chronic stress suferers [2].
Published Version
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