Showers and Stress

The study investigates whether repeated exposure to cold showers can improve the ability to cope with and respond to stress. In particular, it examines both the psychophysiological effects of cold showers and the role of expectations regarding their effectiveness. The research adopts a 2×2 experimental design with approximately 120 healthy adults, randomly assigned to either an experimental group or a control group, and further divided based on the presence or absence of information emphasizing the potential benefits of the intervention. The experimental group takes warm or lukewarm showers with a final 30-second exposure to cold water at least four times per week, while the control group takes only warm or lukewarm showers. In parallel, some participants receive positive information about the effectiveness of the intervention for stress management, while others receive no specific information. At baseline and at the end of the study, participants complete questionnaires assessing perceived stress, psychological well-being, and quality of life, along with a physiological measure and a cognitive stress task (Stroop test with heart rate monitoring). During the four-week intervention period, participants keep a daily diary recording shower habits and perceived stress levels.

This description comes directly from the study's public registry record.

Francesco Pagnini, Professor  ·  +39 3391942425  ·  francesco.pagnini@unicatt.it

Diletta Barbiani, Assistant professor  ·  +39 3338059338  ·  diletta.barbiani@unicatt.it

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