Elsevier

Life Sciences

Volume 50, Issue 6, 1992, Pages 435-442
Life Sciences

‘Normal’ cigarette smoking increases free cortisol in habitual smokers

https://doi.org/10.1016/0024-3205(92)90378-3Get rights and content

Abstract

In habitual smokers salivary cortisol responses to cigarette smoking were investigated. In the first study, 31 adults assigned to two experimental groups smoked either one or two cigarettes of their preferred brand. Mean salivary cortisol levels were significantly elevated after smoking of two cigarettes. In the second study, 10 smokers and 10 nonsmokers provided saliva samples at 20 min intervals over a 12-hr period. While environmental stimuli were paralleled in both groups overall cortisol output was significantly elevated in the smokers. These data suggest that ‘normal’ cigarette smoking can increase free cortisol levels.

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