Audit a URL →

Sign in Sign up free

Loading…

Weekly · Sunday Morning

Five longevity claims.
Worth your time.
Every Sunday.

Last Sunday

Rapamycin extends mouse lifespan 9–14%
NAD+ precursors reverse aging in humans
Blue-light glasses improve sleep quality
Walking 10 min after meals blunts glucose
Verdict change — caffeine half-life downgraded

5 audits·1 verdict change·0 affiliate links·Every Sunday

Joining 1,247 readers — founders, MDs, and longevity-obsessed people who fact-check their own health decisions.

Browse

Decisions Claims Content Creators

Product

Audit a URL Sunday roundup API (soon)Pricing

About

FAQ Methodology Editorial Standards Corrections Press & brand RSS feed

Legal

Terms of Service Privacy Policy DMCA

Finally, something serious in this space.
Because we actually read the papers.

© 2026 Whalespan. Independent, evidence-graded longevity.

Loading…

Science & Tools of Learning & Memory | Dr. David Eagleman — Whalespan

Content›Video›Science & Tools of Learning …

Science & Tools of Learning & Memory | Dr. David Eagleman

Andrew Huberman2h 24m · 2026-01-26

Support Rate

87%

215 of 248 claims supported

Support rate

215 of 248 claims supported

215 supported33 partial / not

Claims from this content

137

✓Well SupportedAG1 is a vitamin, mineral, probiotic drink with adaptogens designed to meet foundational nutritional needs and provide insurance for adequate fruit and vegetable intake.✓Well SupportedComprehensive blood testing is vital for detecting many aspects of mental and physical health, and Function Health offers this affordably.✓Well SupportedAndrew Huberman's mercury levels decreased after limiting tuna, increasing leafy greens, and supplementing with NAC.✓Well SupportedFunction offers over 100 advanced lab tests for comprehensive bodily health assessment.✓Well SupportedThe book 'Protocols: An Operating Manual for the Human Body' offers scientifically substantiated protocols for sleep, exercise, stress control, and focus/motivation.

More from Andrew Huberman

Andrew Huberman on Creatine

Huberman X thread: creatine and aging

Andrew Huberman on Morning Sunlight

Discussion

Native comments, Twitter mentions, and Reddit threads about this content — surfaced together so the conversation isn't fragmented across platforms.

M

Share your read of this content…

Posting publicly as you · linked to your social profiles

Sort by:

AV

A. Volkovreader

4h

Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.

NP

N. Park

2d

Would love a "what would change this verdict" RSS feed. Sign me up if it exists.

✓Well SupportedAGZ is a nightly drink formulated with specific ratios of sleep-supporting compounds to improve sleep quality and depth.

✓Well SupportedReal-time glucose monitoring can help individuals develop eating and lifestyle habits that support metabolic health, mental clarity, and sustained energy.

✓Well SupportedAndrew Huberman drinks at least three cans of Matina's zero sugar cold brew yerbamate daily and uses their loose leaf yerbamate every morning.

✓Well SupportedSubscribing to the Huberman Lab newsletter requires an email address and does not involve sharing it with third parties.

✓Well SupportedThe Huberman Lab podcast offers a free monthly newsletter with toolkits on health topics.

✓Well SupportedTap water can contain contaminants that negatively impact health.

✓Well SupportedYerba Mate provides energy without jitters and may offer benefits such as blood sugar regulation, improved digestion, and mild appetite suppression.

✓Well SupportedAurora water filters remove endocrine disruptors and disinfection byproducts while preserving magnesium and calcium.

✓Well SupportedComprehensive blood testing is crucial for detecting health issues that are otherwise undetectable.

✓Well SupportedTreating depression involves rewiring the brain, which can be achieved through TMS, ketamine, psilocybin, and SSRIs.

✓Well SupportedSignificant glucose spikes and crashes negatively impact cognitive and physical performance.

✓Well SupportedThe adult brain can undergo massive rewiring and learning if specific neuromodulators are triggered for release.

✓Well SupportedThe brain starts with a fixed number of neurons, which become increasingly interconnected during the first two years of life, forming a hyperconnected state.

✓Well SupportedAcetylcholine is primarily associated with states of focus, learning, and encoding new information.

✓Well SupportedOver 122 million Americans drink tap water with high levels of cancer-causing chemicals.

◐Partially SupportedGlucose is the primary fuel for cells, particularly brain cells, and directly impacts cognitive function, mood, energy levels, tenacity, and willpower.

◐Partially SupportedAddiction is defined as a progressive narrowing of pleasurable activities and continued use despite negative consequences.

◐Partially SupportedIndividuals using the BrainPort device report the experience as akin to seeing, despite the input coming through their tongue.

◐Partially SupportedThe 'Ulysses Contract' is a strategy where an individual takes action in the present to prevent their future self from making detrimental choices.

◐Partially SupportedEmpathic responses are stronger for in-groups, even when group affiliation is arbitrary.

◐Partially SupportedEmbracing new challenges that induce neuroplasticity can enhance plasticity in other neural circuits.

◐Partially SupportedIndividuals born blind often exhibit enhanced auditory and tactile discrimination due to visual cortex repurposing.

◐Partially SupportedLearning that occurs when pushing through frustration, involving increased adrenaline and norepinephrine, is more durable if the loop is completed.

◐Partially SupportedIndividuals may fear their future self more than present discomfort, leading to 'Ulysses contracts'.

◐Partially SupportedThe brain's reward system can activate when something negative happens to a disliked person.

◐Partially SupportedBoosting any single neuromodulator can open a window for neural plasticity.

◐Partially SupportedDirected plasticity is the goal for beneficial cognitive and skill development.

◐Partially SupportedThe subjective feeling of time passing longer during a life-threatening situation is a memory trick due to amygdala activation.

◐Partially SupportedWhen individuals lose one sense, such as sight or hearing, the corresponding brain regions are repurposed for other tasks, leading to enhanced abilities in the remaining senses.

◐Partially SupportedDevices exist that can translate sound into tactile sensations on the hand or wrist.

✕Not SupportedL-dopa can lead to an increase in hypersexual behavior or compulsive behaviors such as gambling addiction.

◐Partially SupportedBrain plasticity is enhanced when the right cocktail of neurotransmitters is present, often triggered by curiosity-driven learning.

◐Partially SupportedEngaging in activities like playing music, especially with others, or learning a new language can enhance brain plasticity and may be beneficial for cognition.

◐Partially SupportedReducing friction, such as placing running shoes near the door, facilitates positive future behaviors.

◐Partially SupportedHigher brain plasticity correlates with increased REM sleep duration.

◐Partially SupportedPlacing social media on a separate phone locked in a box for 22 hours a day increases productivity, presence, and happiness.

◐Partially SupportedIntentionally extending the lockout period on a social media app's 'supermax prison lock box' can create freedom and lead to a better day.

◐Partially SupportedNeuroplasticity is the brain's ability to reconfigure itself by changing the strength and pattern of connections between neurons.

◐Partially SupportedREM-associated dreams are more elaborate and visually rich than dreams experienced during deep sleep.

✓Well SupportedSSRIs and psilocybin are both tools for plasticity that drive serotonin.

◐Partially SupportedThe prefrontal cortex enables the ability to disengage from immediate stimuli and consider future consequences.

◐Partially SupportedEngaging in novel experiences and paying attention to details can create more memories, making it seem as though one has lived a longer life.

◐Partially SupportedThe brain can learn to interpret information transmitted through unusual sensory channels, such as vibrations on the skin representing sound.

◐Partially SupportedThe brain develops plasticity to make tasks faster and more efficient by converting them from software to hardware through repetition.

◐Partially SupportedExperiments involving freefall from a 150-foot tower were conducted to measure the speed at which subjects take in information.

◐Partially SupportedDreams may serve as the brain's mechanism to defend the visual cortex against sensory takeover during periods of darkness.

◐Partially SupportedIntentionally varying daily routines can enhance the perception of time by disrupting automaticity.

◐Partially SupportedThe prefrontal cortex in humans enables simulation of potential futures and 'what-if' scenarios, allowing for informed decision-making.

◐Partially SupportedCrossword puzzles benefit brain plasticity only until proficiency is reached, after which a new challenging activity should be pursued.

◐Partially SupportedConsciously attending to experiences and actively recording memories can create a subjective sense of having lived longer.

◐Partially SupportedTime perception involves multiple brain mechanisms, distinguishing between long eras and short durations.

◐Partially SupportedLearning involves the nervous system pruning back connections and strengthening the remaining ones, starting from a hyperwired state.

◐Partially SupportedPeople do not perceive time as passing faster or slower during a life-threatening situation compared to normal circumstances.

◐Partially SupportedWords can influence brain circuit activation or deactivation in professional relationships.

◐Partially SupportedKeeping up with new technology contributes to brain plasticity.

◐Partially SupportedChildren are more susceptible to memory manipulation than adults.

✕Not SupportedRetiring and ceasing to challenge the brain leads to poorer outcomes compared to remaining mentally active.

◐Partially SupportedIndividuals exist on a spectrum for visual imagery, ranging from aphantasia to hyperphantasia.

✕Not SupportedIntense psychedelic experiences can cause permanent, detrimental changes.

◐Partially SupportedSetting up specific events, like hosting a dinner with close friends, and committing to being fully present enhances quality of life.

◐Partially SupportedA woman quit smoking by writing a $10,000 check to a friend, to be donated to the KKK if she smoked, leveraging a highly aversive consequence.

✕Not SupportedPlaying games like Candy Crush on flights is a missed opportunity for cognitive engagement and learning.

◐Partially SupportedUnder stress, perception frame rate does not increase, but memory density is higher.

◐Partially SupportedTraumatic memories are not necessarily accurate and can drift over time.

◐Partially SupportedMemories are modified by new information each time they are recalled.

◐Partially SupportedUsing external commitments, such as writing a check, can help ensure maintenance of desired behaviors.

◐Partially SupportedWithin 60-90 minutes of being blindfolded, the visual cortex shows activity in response to touch or sound.

◐Partially SupportedPlacing running shoes near the door anticipates that one's future self will be lazy or tired.

◐Partially SupportedHaving a gym buddy increases adherence to exercise by creating social pressure to attend.

◐Partially SupportedAddiction is a manifestation of brain plasticity where the brain upregulates receptors in response to drug administration.

◐Partially SupportedDavid Eagleman practices a perceptual exercise for two to five minutes, shifting attention between internal sensations, external focus, and cosmic perspective to gain perspective and temporal flexibility.

◐Partially SupportedShifting attention between internal, external, and cosmic perspectives can provide temporal flexibility and perspective.

◐Partially SupportedThe window of plasticity can potentially be extended or enhanced through activities like learning an instrument or engaging in specific games.

◐Partially SupportedThe brain stops changing once it has created a predictive model of the world and only changes if challenged with new information.

◐Partially SupportedTaking photos or videos of experiences may lead to a stronger memory of the photo-taking itself rather than the actual experience.

◐Partially SupportedModern content consumption on platforms like Instagram and TikTok can be perceived as addictive because it offers superior content compared to other life experiences.

◐Partially SupportedConstant engagement with social media platforms like TikTok may upregulate 'receptors' or circuit activations, leading to a withdrawal-like effect when usage stops.

◐Partially SupportedHeartbreak can cause addiction-like withdrawal symptoms when a person's absence disrupts brain expectations.

◐Partially SupportedPsychedelics carry a risk of negative, permanent psychological changes from single or few uses.

◐Partially SupportedIt is important to be deliberate about what one pays attention to and devotes memories to, distinguishing between valuable content and less valuable content.

◐Partially SupportedBlind individuals experience dreams rich in non-visual sensory modalities.

◐Partially SupportedTo maintain neuroplasticity, engage in activities that are challenging and not yet mastered, rather than repeatedly performing mastered tasks.

◐Partially SupportedHighly practiced individuals use less brain energy for a task because the skill is burned into the brain's hardware, making it fast and efficient.

◐Partially SupportedActively seeking novelty can enhance brain plasticity by challenging one's internal model of the world.

◐Partially SupportedThe circuitry involved in dreams includes the midbrain, lateral geniculate nucleus, and primary visual cortex, with activity occurring in 90-minute cycles.

◐Partially SupportedSuppressing the inner voice of neurosis improves task completion.

◐Partially SupportedWitnesses should be separated immediately after an event to prevent their memories from influencing each other.

◐Partially SupportedPeople are not trained to discern when to think and deliberate versus when to simply act.

◐Partially SupportedAccessing information immediately when curious may lead to more implementation of that information.

◐Partially SupportedPeople are generally poor at adhering to positive New Year's resolutions, with most resolutions failing within one to two weeks.

◐Partially SupportedUsing precise language like 'clients' or 'patients' can influence brain circuits related to empathy and interaction.

◐Partially SupportedSensory substitution, enhancement, or addition is possible because the brain can integrate new sensory inputs.

◐Partially SupportedThe neural circuitry for dreams involves a pathway from the midbrain to the lateral geniculate nucleus and then to the primary visual cortex, causing activity every 90 minutes.

◐Partially SupportedCrossmodal wiring exists, where neurons from one sensory cortex can extend to and influence another, remaining dormant until needed.

◐Partially SupportedFinancial incentives can be effective for motivating individuals to achieve future goals.

◐Partially SupportedDreams are hypothesized to be the brain's mechanism for defending the visual cortex against takeover by other senses during darkness.

✕Not SupportedThe perception of time speeding up with age is due to attention paid and memories recorded, not a smaller fraction of life.

◐Partially SupportedSet up barriers to prevent future impulsive behaviors because future selves cannot always be trusted.

◐Partially SupportedDevoting more brain 'real estate' to a specific task can lead to superhuman abilities in that task.

◐Partially SupportedAlcoholics Anonymous advises removing all alcohol from one's house to prevent relapse.

◐Partially SupportedIndividuals can learn to echolocate by using sounds and listening to the echoes, demonstrating brain plasticity.

◐Partially SupportedEncouraging children to try a variety of activities is beneficial for their development.

◐Partially SupportedAs individuals age, acetylcholine release becomes more localized.

◐Partially SupportedLearning information in the context of curiosity leads to better retention and brain plasticity than passive learning.

◐Partially SupportedAdults have some degree of control over their brain's inputs and learning, although this control is less than in infancy.

◐Partially SupportedMany successful directors and animators at Pixar are aphantasic, meaning they do not visualize images in their head.

◐Partially SupportedThe reward systems in the brain are a significant factor in driving neural change and plasticity.

◐Partially SupportedTime perception can be illusory, with experiences seeming longer than they actually were.

◐Partially SupportedREM sleep duration decreases as an individual's brain becomes less plastic with age.

◐Partially SupportedHumans are generally poor at perceiving time accurately.

◐Partially SupportedThe commitment to always being five minutes early is a strategy to ensure punctuality.

◐Partially SupportedAn individual's identity and personality are significantly shaped by their culture, language, and experiences, not solely by their genetic blueprint.

◐Partially SupportedHuman development relies on a 'half-baked brain' at birth that is subsequently wired by environmental experiences, culture, and language.

◐Partially SupportedThe effort involved in actively seeking information, such as going to a library, can be beneficial for learning.

◐Partially SupportedCarrying no more than $20 cash may help people battling drug addictions avoid impulsive purchases.

◐Partially SupportedIn ferrets, rerouting visual information to the auditory cortex caused the auditory cortex to become visually responsive.

◐Partially SupportedExposure to horizons influences time perception differently than environments with close walls.

◐Partially SupportedAnimals possess sensory modalities beyond human perception, including infrared vision, electroreception, and magnetoception.

◐Partially SupportedSavantism in autism may result from dedicating significant brain real estate to a specific skill.

◐Partially SupportedPublic accountability, such as group members visiting a non-attendee's house, can be effective for ensuring commitment to a boot camp program.

◐Partially SupportedBeing more diversified in physical and cognitive activities during youth and early adulthood is beneficial for long-term success.

◐Partially SupportedA wider range of early physical and cognitive experiences increases opportunities for later success.

◐Partially SupportedSpecializing too early in sports or creative endeavors does not, on average, lead to peak success later in life.

◐Partially SupportedUpregulating receptors for a drug or experience can lead to withdrawal symptoms when the substance or experience is stopped.

◐Partially SupportedActive social lives and engagement in various activities may build new neural pathways that protect against Alzheimer's disease.

◐Partially SupportedThe perception of time speeding up with age is due to fewer novel experiences leading to less distinct memory formation.

◐Partially SupportedNovel experiences create more memories and make time feel longer in retrospect compared to routine activities.

◐Partially SupportedDuring life-threatening situations, individuals often report a sense of calmness, bizarre thoughts, and a perception of extended time.

◐Partially SupportedBeing fully present in the moment can be facilitated by establishing 'Ulysses contracts' (pre-commitments) that remove future temptations.

◐Partially SupportedSocial media requires careful management due to dopamine dynamics to avoid being 'sucked in'.

◐Partially SupportedPerceiving and manipulating different space-time scales can be a learned skill.

◐Partially SupportedThe brain's primary function is to save energy, which drives plasticity and efficiency.