What are the physical and mental health benefits of engaging with religion?

Epidemiological data, including longitudinal studies by Tyler VanderWeele, show that people who actively engage with faith for 15-20 years experience a 30% reduction in all-cause mortality, a 25% reduction in cancer and cardiovascular disease deaths, reduced anxiety/depression, and an increased sense of meaning and flourishing. These benefits are greater than those from general community involvement alone.

How does prayer impact the body and mind?

Formalized prayer, like reciting the rosary or Hindu sutras, reduces respiration rate and increases exhalation duration, thereby increasing vagal tone and reducing heart rate. This physiological state reduces cortisol and signals safety to the mind, helping to lower stress and anxiety, even when praying about troubling issues.

What is motor synchrony and how does it foster compassion in religious practices?

Motor synchrony is the act of moving in unison with others, such as swaying together during prayer or singing. Studies show it increases feelings of connection and compassion. In religious communities, synchronized activities like singing, praying, or kneeling together subtly signal unity, enhancing empathy among participants and creating a stronger bond.

How do different cultures approach grieving rituals to cope with loss?

Grief rituals across cultures often focus on consolidating positive memories of the deceased and maintaining a connection. Jewish Shiva involves covering mirrors (to reduce intensified sadness) and communal prayer (motor synchrony). Chinese ancestor worship uses 'ghost money' and burning paper offerings to keep the relationship with the deceased alive, reducing feelings of stress and loneliness.

Is belief in God separable from religious practices for health benefits?

Yes, they are separable. While many people believe in God without engaging in organized religion, studies show that merely believing in God without active participation in religious practices does not yield the same health benefits. It is the active engagement in rituals, community, and practices that correlates with improved well-being.

What is the role of 'ego death' in psychedelic and mystical experiences?

Ego death is a transcendent experience of self-dissolution, often achieved through psychedelics or long-term contemplative practices. It can lead to a sense of connection and love. Mystical traditions offer 'right-handed roots' (meditation over years) and 'left-handed roots' (psychedelics) to reach this state, though the latter can be problematic without proper guidance.

How do religions influence morality and behavior like cheating?

Religions combat the human tendency to cheat when there are no reputational costs. Studies show that cheating rates drop dramatically when people are in a temple, signaling divine accountability. Additionally, religious practices like prayers of gratitude cultivate pro-social emotions, nudging individuals from the bottom up to be more honest, patient, generous, and helpful.

How does religious belief impact feelings of loneliness?

People who engage with religion report significantly less loneliness. This is largely due to engagement in a religious community that fosters deeper social bonds. Additionally, believing in a personal relationship with God can provide a sense of having a constant '3 AM friend' or someone who always 'has your back,' even in solitude.

What is the relationship between intelligent design, awe, and religious belief?

Intelligent design argues that life's complexity points to a creator. While evolutionary science provides explanations, the sheer complexity can evoke a sense of 'awe.' Studies show that experiencing awe through natural beauty makes people more open to supernatural ideas. For some, scientific explanations don't negate belief in God but rather offer insight into the 'power of creation.'

How does belief in an afterlife affect fear of death?

Anxiety about death follows an upside-down U-shape: those who firmly believe in an afterlife have the least anxiety. Firm atheists are less anxious than believers but more than those with certainty of an afterlife. The most anxious group are those who are uncertain about an afterlife, as they struggle with whether they've done enough to qualify for a potentially good outcome.

How can contemplating death be beneficial?

Contemplating death, a practice in many faiths (e.g., Buddhist corpse meditations, Ash Wednesday, Rosh Hashanah prayer), can be useful if done non-morbidly. It temporarily reorients values towards what truly brings happiness, such as spending time with loved ones, service to others, and building a legacy, allowing people to find happiness sooner in life.

Why do new religions not 'stick' or achieve widespread acceptance?

Hundreds of new religions form annually, but most fail because they don't address people's needs in a compelling way or lack sustained power structures. Long-lasting religions resonate by providing solutions to human challenges, offering practices and ideologies that speak to people's spiritual desires often feeling a god-shaped hole.

How has technology, such as social media and AI, impacted modern faith and religious figures?

Social media allows traditional religions to be platformed by modern figures, and AI is even being considered as the basis for new churches. However, increased visibility due to technology makes it harder for religious figures to control their reputation, as flaws become more apparent. It challenges the traditional mystique and separation of religious leaders.

Science & Health Benefits of Belief in God & Religion | Dr. David DeSteno

Andrew Huberman

Science & Technology3 min read145 min video

Aug 25, 2025|239,007 views|6,958|1,259

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Key Moments

TL;DR

Science supports religion's mental/physical health benefits, especially through rituals and community.

Key Insights

Science cannot definitively prove or disprove God's existence, framing it as outside its empirical scope.

Religious rituals and practices demonstrably improve mental and physical health, reducing mortality and anxiety.

Engaging with communal religious practices offers greater health benefits than solitary belief or non-religious community involvement.

Rituals are sophisticated mind-body practices that can buffer stress and enhance compassion and empathy.

Belief in an afterlife can significantly reduce anxiety around death, while uncertainty increases it.

Religion and science can coexist, with scientific understanding of creation potentially deepening awe, not negating faith.

THE INCOMPATIBILITY MYTH: SCIENCE AND FAITH

The common perception of science and religion as mutually exclusive is challenged by Dr. David DeSteno, who argues this view is incorrect. While science relies on empirical evidence and falsifiable hypotheses, the existence of God cannot be empirically proven or disproven. This inability to conduct experiments on the divine means the question of God's existence lies beyond the realm of science, and attempting to answer it often leads to unproductive polarization rather than understanding.

THE RATIONAL CASE FOR BELIEF AND PRACTICE

DeSteno introduces Pascal's Wager as a historical argument for belief, suggesting that the potential infinite reward of eternal life outweighs any earthly pleasure gained from disbelief. However, modern research provides a moreHere-and-now justification: engaging in religious practices leads to significant health benefits. Epidemiological data show a substantial reduction in all-cause mortality and specific diseases like cancer and cardiovascular disease, alongside decreased anxiety and depression, and an increased sense of meaning and flourishing among those who actively participate in their faith.

THE POWER OF RITUAL AND COMMUNITY

The health benefits associated with religion are not solely due to community but are significantly amplified by specific practices and rituals. Longitudinal studies, like those by Tyler VanderWeele, confirm that religious engagement positively impacts health outcomes, even when controlling for social connections. Religious communities foster stronger social bonds than secular ones, and rituals like prayer and meditation are identified as powerful mind-body practices that reduce stress, increase vagal tone, and enhance compassion and empathy, demonstrating tangible psychological and physiological effects.

UNDERSTANDING GOOD, EVIL, AND MORAL BEHAVIOR

Religions often frame good and evil as external forces, partly because individuals tend to externalize actions they deem morally wrong due to cognitive biases and the desire to perceive themselves as good. However, research shows moral behavior is variable and can be influenced by environmental factors. Practices like gratitude, cultivated through prayer or meditation, can significantly reduce cheating and increase pro-social behavior, suggesting that religious traditions offer 'spiritual technologies' that can guide moral actions by influencing our emotional states from the bottom up.

CONFRONTING MORTALITY AND FINDING CONNECTION

The fear of death is a universal human experience. Belief in an afterlife significantly reduces death anxiety, while uncertainty amplifies it. Many religious traditions offer comfort by encouraging contemplation of mortality, not as morbid dwelling, but as a means to reorient values toward meaningful aspects of life like loved ones and service. Practices that foster interconnectedness, whether through communal prayer, rituals like Shiva, or even shared secular experiences, provide a sense of belonging and continuity, mitigating loneliness and the anxiety of impermanence.

THE EVOLVING LANDSCAPE OF FAITH AND SPIRITUALITY

While established religions offer frameworks for addressing life's fundamental questions, there's a growing search for spiritual experiences, sometimes found in non-traditional settings like Burning Man, which offers a 'liminal space' for profound experiences and fosters a culture of giving. The differentiation between beneficial religious practices and harmful cults centers on charismatic leadership and exploitation. As society changes, new spiritual technologies, potentially even AI-driven communities, may emerge to fulfill the human need for connection, meaning, and a sense of the sacred, reflecting an ongoing evolution in how these needs are met.

Mentioned in This Episode

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●Tools

●Companies

●Organizations

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●Studies Cited

●Concepts

●People Referenced

Common Questions

According to Dr. David DeSteno, science cannot prove or disprove the existence of God because God cannot be manipulated in an experiment, which is fundamental to scientific inquiry. The absence of evidence is not evidence of absence in this context, making it a question beyond the realm of science.

Topics

Science And Religion Health Benefits Of Religion Motor Synchrony Fear Of Death Cults Vs Religions AI And Religion

Mentioned in this video

softwareAutopilot

An AI engine in the Eight Sleep Pod 5 that learns sleep patterns to adjust bed temperature, elevate the head for snoring, and optimize sleep.

organizationUConn (University of Connecticut)

Academic institution where Demetrius Psychotus, a professor, conducts research on moral behavior.

personPaul Condon

Former student of Dr. DeSteno, now a professor in Oregon, who conducted a meditation study with him.

toolRosary

A form of formalized prayer in Catholicism that involves reciting repetitive prayers, which Dr. DeSteno highlights as having physiological benefits.

bookThe Secret Pulse of Time

A book discussed for its insights into how humans can contract or expand their perception of time.

conceptRussell's Teapot

An analogy by Bertrand Russell illustrating that the burden of proof for empirically unfalsifiable claims lies with the person making them, often applied to religion.

personCarlo Valdesolo

Former student of Dr. DeSteno, now a professor at St. Olaf, whose work showed that experiencing awe makes people more open to supernatural experiences.

personLaura Carstensen

Psychologist at Stanford who found that contemplating death, especially when young, reorients values toward things that truly bring happiness.

personDavid Koresh

Leader of the Branch Davidians, characterized by a self-belief of being 'extra special' and an 'eerie' brand.

personGeorge Bonanno

Leading bereavement researcher at Columbia University who states that consolidating positive memories of the deceased is a predictor of successful grief processing.

personDavid DeSteno

Professor of psychology at Northeastern University and expert on the science of morality, religion, and the health benefits of belief in God and religion.

studyMilgram experiments

Experiments conducted at Yale where subjects were led to believe they were causing intense pain to others, demonstrating humans' potential for sadistic behavior under authority.

conceptPFAS (forever chemicals)

Harmful chemicals for which Function offers testing.

organizationSt. Olaf College

Academic institution where Carlo Valdesolo is now a professor.

personMolly Crockett

Neuroscientist at Princeton who studied profound spiritual experiences at Burning Man.

conceptJonestown massacre

Mass suicide event, cited as an example of extreme negative outcomes associated with cults.

organization12-Step Programs

Programs for addiction recovery that can be very effective and require participants to give over to a 'higher power' because the human will alone is insufficient.

conceptSeventh-day Adventists

A Christian denomination mentioned as an example of religious subdivisions.

organizationHeaven's Gate cult

Cult that committed mass suicide during the Hale-Bopp comet event, believing they would live forever.

organizationBranch Davidians (Waco Siege)

Cult involved in the Waco siege, characterized by a leader with self-belief of being extra special and people changing their life structure.

personJoshua Jackson

Psychologist whose work with Kirk Gray shows how people's conceptions of God become more aggressive and punitive when they feel threatened.

bookHow God Works: The Science Behind the Benefits of Religion

Dr. DeSteno's book, which explores the scientific basis of religion's benefits, serving as a personal journey for him.

conceptPascal's Wager

A philosophical argument by Blaise Pascal that suggests it is rational to believe in God because the potential gain (everlasting life) outweighs any earthly joy, even with a small probability of God's existence.

personTom Densen

Anger researcher who developed a paradigm to evoke anger in experimental settings.

mediaMy Big Fat Greek Wedding

Movie mentioned as a comparison for Greek Orthodox family culture that includes prayer and superstition.

productTuna

Food source of mercury that Andrew Huberman was advised to limit consumption of.

organizationNortheastern University

Academic institution where Dr. David DeSteno is a professor of psychology.

conceptShiva

Jewish mourning ritual that involves covering mirrors, reducing self-focus, and communal prayer with motor synchrony to aid in grieving.

organizationRockefeller University

Academic institution where Eric Jarvis conducts research on the evolution of human speech.

conceptNSDR (Non-Sleep Deep Rest)

Audio scripts for deep body relaxation and breathing exercises, some of which Andrew Huberman worked on with Eight Sleep, included in the Pod 5 audio catalog.

conceptIntelligent Design

Argument that the complexity of life, particularly the eye, implies a divine creator, often used to push back on evolutionary theory.

personTyler VanderWeele

Epidemiologist from Harvard School of Public Health whose longitudinal data demonstrates the health benefits of engaging with religion.

bookHindu Sutras

Formulaic prayers in Hinduism that, like the Rosary, can reduce respiration rate and increase exhalation duration, impacting vagal tone.

personDemetrius Psychotus

Professor at UConn who conducted studies on cheating behavior in different cultural contexts, showing reduced cheating in a temple setting.

companyFunction

LAb testing service providing over 100 advanced lab tests and insights from doctors, including tests for toxins like BPA and PFAS. Andrew Huberman is on their scientific advisory board.

personAlex Leach

Episcopal minister who runs the 'Religious AF' camp at Burning Man, helping people rediscover faith by experiencing God through community.

mediaThe Grateful Dead

Band whose following came close to meeting criteria for a religion, with elements of community, distinct identity, and even recovery meetings at shows.

conceptHale-Bopp comet

Comet during which the Heaven's Gate cult committed mass suicide.

personKirk Gray

Psychologist whose work with Joshua Jackson shows how people's conceptions of God become more aggressive and punitive when they feel threatened.

conceptMormons (LDS)

A religious group mentioned as a subdivision of Christianity.

conceptReligious AF

The name of Alex Leach's camp at Burning Man, where people seeking spiritual experiences can find community and potentially rediscover faith.

personJerry Garcia

Main figure of The Grateful Dead, noted for not claiming messianic status, unlike cult leaders.

organizationGuinness World Records

The organization that verifies the world record for highest IQ, mentioned in the context of a highly religious individual.

conceptSerenity Prayer

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