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How Experiences Affect Psychological Responses During Supervised Fasting: A Preliminary Study.

Qianying Ma¹, Chao Yang², Ruilin Wu^1,2

¹Department of Psychology, Beihang University, Beijing, China.

Frontiers in Psychology

|June 7, 2021

Summary

Previous fasting experience significantly improves psychological well-being during fasting. Individuals with prior fasting experience reported fewer negative moods, less stress, and greater vitality compared to newcomers.

Keywords:

appetites emergency fasting experience mood states stress

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Area of Science:

Nutrition Science
Psychology

Background:

Fasting elicits significant physiological and psychological responses.
The impact of prior fasting experience on current fasting responses remains unclear.

Purpose of the Study:

To investigate how previous fasting experience influences physiological and psychological reactions during a supervised fasting experiment.

Main Methods:

A 22-day controlled experiment involving 13 participants.
Participants were divided into experienced (N=6) and newbie (N=7) fasting groups.
Physiological (weight, glucose, ketone bodies) and psychological states were monitored.

Main Results:

No significant differences in physiological responses between experienced and newbie groups.
Newbie group reported more negative psychological states, including increased appetite, negative mood, stress, and reduced vitality.
Experienced individuals exhibited better recovery resources.

Conclusions:

Prior fasting experience acts as a buffer against negative psychological effects during fasting.
Fasting experience is a crucial factor to consider in future research on fasting interventions.