In the study reported here, we investigated whether covertly manipulating positive facial expressions would influence cardiovascular and affective responses to stress. Participants (N = 170) naive to the purpose of the study completed two different stressful tasks while holding chopsticks in their mouths in a manner that produced a Duchenne smile, a standard smile, or a neutral expression. Awareness was manipulated by explicitly asking half of all participants in the smiling groups to smile (and giving the other half no instructions related to smiling). Findings revealed that all smiling participants, regardless of whether they were aware of smiling, had lower heart rates during stress recovery than the neutral group did, with a slight advantage for those with Duchenne smiles. Participants in the smiling groups who were not explicitly asked to smile reported less of a decrease in positive affect during a stressful task than did the neutral group. These findings show that there are both physiological and psychological benefits from maintaining positive facial expressions during stress.

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Qualitatively oriented research (e.g., studies of suicide notes) has shed valuable light on the phenomenology of suicidal states. However, one draw back to this approach is that conclusions drawn from such data are inferential. In the current study, we took a more direct approach by having a sample of 52 suicidal inpatients provide written responses to the following query: Why suicide? A reliable coding system was developed that captured seven distinct response types to our prompt (i.e., suicide was seen as: the easy way out, a permanent solution, an escape from pain, the only option, self-oriented, related to hopelessness, and relationally-focused). In our discussion, we further reflect on these patient perceptions of suicide in terms of theory, research, and practice.