For millions of Muslims worldwide, Ramadan is a month of spiritual reflection, self-discipline, and devotion. But new research suggests the benefits of fasting extend far beyond the spiritual realm — offering measurable improvements in mental health that scientists are only beginning to understand.
A study has found that just one month of Ramadan fasting significantly reduces anxiety, interpersonal sensitivity, and psychological distress in healthy men. The research also uncovered intriguing changes in hunger-related hormones that may explain these mental health benefits.
“Millions of Muslims around the world fast during the holy month of Ramadan as a requirement of their religion Islam,” write the authors, led by Dr. Mustafa Akan from Inonu University in Turkey. “Studies report that intermittent fasting has positive effects on physical health. However, the idea that decreased eating frequency may have a healing effect on mental health has drawn the focus of researchers to this area.”
The Study: How Ramadan Affects the Mind
The research team followed 40 male healthcare professionals through the month of Ramadan, measuring both psychological symptoms and hormone levels one week before and one week after the fasting month. All participants were healthy, with no psychiatric conditions, and maintained a normal body mass index to eliminate confounding factors.
What they found was remarkable: after 29-30 days of dawn-to-dusk fasting, participants showed significant improvements in multiple measures of mental health.
Table 1: Mental Health Improvements After Ramadan Fasting
| Psychological Measure | Before Ramadan | After Ramadan | Change | Significance |
|---|---|---|---|---|
| Interpersonal Sensitivity | 1.00 | 0.50 | -50% | p < 0.001 |
| Phobic Anxiety | 1.00 | 0.00 | -100% | p = 0.020 |
| General Severity Index | 0.29 | 0.26 | -10.3% | p = 0.042 |
| Positive Symptom Distress Index | 1.33 | 1.14 | -14.3% | p = 0.006 |
Note: Lower scores indicate better mental health
Interpersonal sensitivity — which measures feelings of personal inadequacy, inferiority, and discomfort during social interactions — dropped by half. Phobic anxiety, which includes persistent fear responses to specific situations, essentially disappeared (median score dropping from 1.0 to 0.0). The general severity index, which captures overall psychological distress, decreased by more than 10%, while the positive symptom distress index — measuring the intensity of symptoms — dropped by 14%.
These improvements are not just statistically significant; they represent meaningful changes in how participants experienced their daily lives and interactions.
The Hormone Connection: Ghrelin Rises
Perhaps even more intriguing, the researchers found significant changes in ghrelin — often called the “hunger hormone” — which increased substantially after Ramadan.
Table 2: Hormonal Changes After Ramadan Fasting
| Hormone | Before Ramadan (ng/mL) | After Ramadan (ng/mL) | Change | Significance |
|---|---|---|---|---|
| Ghrelin | 2.943 | 3.510 | +19.3% | p < 0.001 |
| Leptin | 3.120 | 3.836 | +22.9% | p = 0.085 (ns) |
| Neuropeptide Y | 662.468 | 698.909 | +5.5% | p = 0.220 (ns) |
| Growth Hormone | 0.082 | 0.086 | +4.9% | p = 0.751 (ns) |
ns = not statistically significant
Ghrelin increased by nearly 20% after Ramadan — a finding that aligns with research showing prolonged fasting elevates this hormone. But here’s where it gets interesting: ghrelin isn’t just about hunger. Recent animal studies have shown that ghrelin has anxiolytic (anti-anxiety) and antidepressant-like effects.
“Studies have shown that ghrelin increases not only in response to energy deficiency, but also after exposure to stress,” the researchers explain. “Activation of the ghrelin signaling pathway in response to chronic stress may be a homeostatic adaptation that helps individuals cope with stress.”
In other words, the body may be producing more ghrelin during fasting as a natural way to buffer against stress and anxiety — and this effect appears to persist after the fasting period ends.
Why This Matters: Mental Health Crisis and a Simple Intervention
Mental health disorders are among the leading causes of disability worldwide. Anxiety disorders alone affect an estimated 284 million people globally. The search for effective, accessible, and low-cost interventions is more urgent than ever.
Ramadan fasting offers a unique model: a time-restricted eating pattern practiced by nearly 2 billion Muslims annually, with deep cultural and religious significance. If fasting genuinely improves mental health, the implications are enormous.
“This study aimed to examine the effects of Ramadan fasting on mental health and plasma leptin, ghrelin, NPY, and growth hormone levels in healthy individuals,” the authors write. “Our hypothesis is that the participants’ anxiety and interpersonal sensitivity levels will decrease and their interpersonal relationships will improve after Ramadan compared to before Ramadan.”
The results largely confirmed this hypothesis — at least for anxiety and interpersonal sensitivity — though interpersonal relationship dimensions measured by a separate scale did not show significant changes.
Placing the Findings in Context
This study adds to a growing body of research suggesting fasting benefits mental health. A 2021 meta-analysis published in Nutrients found that fasting interventions were associated with improvements in stress, anxiety, and depression. Other studies on Ramadan fasting specifically have reported reduced depression, anxiety, and stress scores after the fasting month.
However, not all studies agree. Some have found no significant changes, particularly in individuals with normal baseline mood. “While there was no significant change in depression, anxiety, and stress levels before and after Ramadan in individuals with initial normal mood, those with initial depression, anxiety, and stress had lower scale scores after Ramadan,” the authors note.
This suggests that Ramadan fasting may be particularly beneficial for those struggling with mental health challenges — though more research is needed.
Methodological Strengths: A Rigorous Approach
What makes this study particularly reliable is its careful methodology. The researchers:
- Used structured clinical interviews (SCID-5-CV) to rule out psychiatric conditions
- Controlled for body mass index, including only normal-weight participants (BMI 19-24.9)
- Standardized blood collection time (8:00 AM after 12-hour fast) to account for hormonal circadian rhythms
- Focused exclusively on males to avoid sex-based hormonal variations
These design choices reduce the likelihood that confounding factors influenced the results.
The Limitations: What We Still Don’t Know
The study also has important limitations. The sample size was modest (40 participants), and all were healthcare workers — a group that may differ from the general population. The study only included males, so we don’t know if women experience similar benefits (though hormonal differences during fasting are well-documented).
Additionally, Ramadan involves more than just fasting. Changes in sleep patterns, prayer routines, social gatherings, and spiritual practices all occur simultaneously. Teasing apart which factors drive mental health improvements remains challenging.
Possible Mechanisms: How Fasting Affects the Brain
Beyond ghrelin, several mechanisms might explain fasting’s mental health benefits:
Neuroplasticity: Fasting promotes the production of brain-derived neurotrophic factor (BDNF), which supports neuron growth and resilience.
Inflammation reduction: Chronic inflammation is linked to depression and anxiety. Fasting reduces inflammatory markers throughout the body.
Circadian alignment: Time-restricted eating may help align eating patterns with natural circadian rhythms, improving sleep and mood regulation.
Psychological factors: The self-discipline and spiritual focus of Ramadan may enhance feelings of control and purpose.
Practical Implications: What This Means for Muslims and Non-Muslims Alike
For the estimated 1.8 billion Muslims worldwide, these findings offer reassurance that the physical and spiritual benefits of Ramadan align with mental health improvements. For healthcare providers, it suggests that supporting patients who wish to fast during Ramadan may have psychological as well as religious benefits.
For non-Muslims, the research contributes to the broader field of intermittent fasting studies, suggesting that time-restricted eating patterns might have applications for mental health treatment — though much more research is needed before clinical recommendations can be made.
The Bigger Picture: Fasting as Medicine
The concept of using fasting as medicine is ancient, appearing in medical traditions from Greek antiquity to traditional Chinese medicine. Modern science is now catching up, revealing the molecular mechanisms that explain why fasting can be therapeutic.
This study adds a crucial piece to that puzzle: the connection between fasting, ghrelin, and anxiety reduction. The finding that ghrelin increased significantly after Ramadan, coupled with improved mental health scores, suggests a potential biological pathway linking fasting to psychological well-being.
Conclusion: A Month That Heals Mind and Body
For centuries, Muslims have experienced Ramadan as a time of spiritual renewal and community connection. Now science is revealing that the month also offers profound psychological benefits — reducing anxiety, easing social discomfort, and lowering overall psychological distress.
As the researchers conclude: “The effects of Ramadan fasting on mental health may be mediated by some psychoneuroendocrine mechanisms. There is a need for better-structured studies with larger samples and more variables to elucidate these mechanisms.”
For the millions preparing for next Ramadan, this research offers yet another reason to embrace the month — not just for the soul, but for the mind as well.
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