Bryan Johnson: Psychedelics may revolutionize anti-aging, psilocybin enhances neuroplasticity for mental health, and the default mode network’s role in cognitive rejuvenation | All-In Podcast

Psychedelics like psilocybin could revolutionize anti-aging by enhancing brain neuroplasticity and altering perception.

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Add us on Google by Editorial Team Mar. 25, 2026

Key Takeaways

• Psychedelics are being explored as potential rejuvenation protocols for anti-aging.
• Research on psilocybin indicates it may have significant longevity benefits.
• Psilocybin affects the brain by dampening the default mode network, impacting self and ego perception.
• As people age, their experience of reality narrows due to the stiffening of their default mode network.
• Psilocybin induces neuroplasticity by scrambling neural activity patterns, leading to new connections.
• Five MEO DMT profoundly affects the default mode network, leading to childlike excitement and clarity.
• Rejuvenating the brain poses more challenges than rejuvenating other organs like the heart and lungs.
• Extensive measurement of ketamine therapy for depression has been conducted with promising insights.
• Psychedelics hold unique potential in longevity but require cautious and rigorous approaches.
• Risks associated with psychedelics often stem from unregulated use and lack of knowledge.
• The default mode network’s role is crucial in understanding cognitive aging and perception.
• Proper administration of psychedelics can mitigate risks and enhance therapeutic benefits.
• The intersection of technology and consciousness is a key area of exploration for future health advancements.
• Understanding the effects of psychedelics on brain function is vital for mental health discussions.
• The therapeutic potential of psychedelics is linked to their ability to facilitate new neural connections.

Guest intro

Bryan Johnson is a centimillionaire tech entrepreneur and founder of Blueprint, a life-extension system where he applies data-driven health optimization to reduce his biological age. He previously founded Braintree, a payment-processing platform that acquired Venmo and was sold to PayPal for $800 million in 2013, and he established Kernel, a neurotechnology company developing brain-imaging technology to detect cognitive impairment. Johnson has spent over $4 million annually on experimental health interventions, including psychedelic research, positioning him as a prominent figure in the longevity and human optimization space.

The potential of psychedelics in anti-aging

• Psychedelics are being investigated as rejuvenation protocols for anti-aging. “We never actually had on our radar psychedelics… but it was never understood as a rejuvenation protocol something that was for antiaging.” – Bryan Johnson
• Research on psilocybin suggests it may have significant effects on longevity. “We found a preclinical evidence in mice on psilocybin… we think it’s a longevity therapy.” – Bryan Johnson
• The application of psychedelics extends beyond traditional mental health treatments, offering novel perspectives on longevity.
• Understanding the context of psychedelics in health and longevity research is crucial for advancing therapeutic applications.
• Psilocybin’s potential as a longevity therapy is supported by preclinical evidence in animal studies.
• The exploration of psychedelics in anti-aging is a growing field with promising implications for health and wellness.
• Psychedelics offer a unique approach to addressing aging-related cognitive decline.
• The integration of psychedelics into longevity research highlights the evolving landscape of health optimization.

Understanding the default mode network

• Psilocybin affects the brain by dampening the default mode network, which constructs self and ego. “One of the reasons why we did it is because it does have this effect where it dampens the default mode network and then we could pick this up with kernel the brain interface you can see how the default mode network weakens.” – Bryan Johnson
• As people age, their experience of reality becomes increasingly narrow due to the stiffening of their default mode network. “As you age you basically build up this default mode network into more stiffer patterns and so as you age your experience of reality becomes increasingly narrow.” – Bryan Johnson
• The default mode network plays a critical role in self-perception and cognitive aging.
• Understanding the role of the default mode network is essential for discussions on consciousness and mental health.
• The weakening of the default mode network through psychedelics can lead to enhanced self-awareness and altered perception.
• The default mode network’s influence on cognitive patterns and perception is a key area of research in brain health.
• Insights into the default mode network provide valuable information for developing therapeutic interventions.
• The relationship between the default mode network and aging offers opportunities for cognitive rejuvenation.

Neuroplasticity and mental health

• Psilocybin induces neuroplasticity by scrambling neural activity patterns, leading to new connections. “When you do something like psilocybin it basically takes the airports picks them up and then repositions it in the world so it’s just all scrambled so that the traffic patterns aren’t the same… this neuroplasticity rewiring these connections in the brain is what allows trauma victims or folks that have a certain wiring that they keep repeating in their brain which causes the trauma and the anxiety in their lives to get rewired.” – Bryan Johnson
• Neuroplasticity facilitated by psilocybin offers therapeutic potential for trauma and anxiety.
• The mechanism by which psilocybin facilitates new neural connections is crucial for understanding its therapeutic potential.
• Psilocybin’s ability to induce neuroplasticity highlights its potential in mental health treatments.
• The relationship between psilocybin, neuroplasticity, and mental health is a key area of exploration.
• Understanding neuroplasticity is essential for developing effective therapeutic approaches to mental health.
• The therapeutic potential of psychedelics is linked to their ability to facilitate new neural connections.
• Insights into neuroplasticity provide a foundation for advancing mental health interventions.

The effects of Five MEO DMT

• Five MEO DMT has a profound effect on the default mode network, leading to a state of childlike excitement and clarity. “It just annihilated my default mode turned it off completely… I have felt childlike… that emergent excitement… I haven’t felt that I don’t even know when.” – Bryan Johnson
• The effects of Five MEO DMT on brain function and emotional states are valuable for discussions on psychedelics.
• Five MEO DMT offers unique insights into altering brain function and emotional experience.
• Understanding the effects of different psychedelics on brain function is crucial for therapeutic applications.
• The emotional states induced by Five MEO DMT provide opportunities for cognitive and emotional rejuvenation.
• Five MEO DMT’s impact on the default mode network highlights its potential in consciousness exploration.
• The exploration of Five MEO DMT contributes to the broader understanding of psychedelic effects.
• Insights into Five MEO DMT offer valuable information for advancing therapeutic interventions.

Challenges in brain rejuvenation

• Rejuvenating the brain is significantly more challenging than rejuvenating other organs like the heart and lungs. “We’ve had a lot of success rejuvenating my heart and my lungs and muscle and body fat but rejuvenating the brain is very hard right.” – Bryan Johnson
• The complexities of brain rejuvenation compared to other bodily systems highlight unique challenges in brain health.
• Understanding the challenges in brain rejuvenation is critical for advancing therapeutic approaches.
• The difficulty in brain rejuvenation underscores the need for innovative solutions in cognitive health.
• Insights into brain rejuvenation provide valuable information for developing effective interventions.
• The exploration of brain rejuvenation offers opportunities for advancing cognitive health and longevity.
• The unique challenges in brain rejuvenation highlight the importance of ongoing research and innovation.
• The complexities of brain health require a multifaceted approach to rejuvenation and optimization.

Advancements in ketamine therapy

• We conducted the world’s most extensive measurement of ketamine therapy for depression. “We did the world’s most extensive measurement of ketamine with kernel before during and after.” – Bryan Johnson
• Extensive measurement of ketamine therapy provides valuable insights into its potential for treating depression.
• The significance of extensive measurement in therapeutic studies highlights the importance of rigorous research.
• Advancements in ketamine therapy offer promising implications for understanding and treating depression.
• The exploration of ketamine therapy contributes to the broader understanding of mental health treatments.
• Insights into ketamine therapy provide a foundation for advancing therapeutic interventions for depression.
• The potential of ketamine therapy in mental health highlights the importance of ongoing research and innovation.
• The comprehensive study of ketamine therapy underscores its potential as a treatment for depression.

The potential of psychedelics in longevity

• Psychedelics have unique potential in the field of longevity, but they must be approached with caution and rigor. “I am more interested than ever in psychedelic compounds… it needs to be done properly with a licensed professional… I think we can create a safety structure around it that could deliver the benefits people want without… the risk.” – Bryan Johnson
• The potential of psychedelics in longevity is a growing field with promising implications for health and wellness.
• The exploration of psychedelics in longevity highlights the evolving landscape of health optimization.
• Proper administration of psychedelics can mitigate risks and enhance therapeutic benefits.
• The integration of psychedelics into longevity research offers opportunities for advancing health and wellness.
• The potential of psychedelics in longevity underscores the importance of safety and proper administration.
• The exploration of psychedelics in longevity provides valuable insights into health optimization.
• The potential of psychedelics in longevity highlights the need for cautious and rigorous approaches.

Risks associated with psychedelics

• The risks associated with psychedelics often stem from unregulated use in social settings without proper knowledge of the substances involved. “People who have tried magic mushrooms… have no idea what kind of mushroom strain they’re eating… unquantified unsupervised wrong set in setting.” – Bryan Johnson
• Understanding the risks of psychedelic use is crucial for developing safe and effective therapeutic approaches.
• The exploration of psychedelic risks highlights the importance of regulation and education.
• Insights into psychedelic risks provide valuable information for mitigating potential harm.
• The risks of psychedelics underscore the need for proper knowledge and supervision in their use.
• Understanding the risks associated with psychedelics is essential for advancing safe therapeutic applications.
• The exploration of psychedelic risks contributes to the broader understanding of mental health treatments.
• The potential risks of psychedelics highlight the importance of ongoing research and innovation.

Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy.