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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
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Life, Death & the Neuroscience of Your Unique Experience | Dr. David Linden — Whalespan

Content›Video›Life, Death & the Neuroscien…

Life, Death & the Neuroscience of Your Unique Experience | Dr. David Linden

Andrew Huberman2h 37m · 2023-08-21

Claims Made

202

Claims Supported

141

Support Rate

70%

Support rate

141 of 202 claims supported

141 supported61 partial / not

Claims from this content

121

✓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 SupportedAndrew Huberman drinks Athletic Greens twice a day, typically once in the morning and again in the afternoon or late afternoon, mixed with water and lemon or lime juice.✓Well SupportedRegular blood work is essential for monitoring factors impacting immediate and long-term health.✓Well SupportedAG1 is recommended as the single supplement to take for supporting physical health, mental health, and cognitive and physical performance by covering foundational nutritional bases.Well Supported

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

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✓

Inside Tracker analyzes blood and DNA data to provide personalized nutrition, supplementation, and lifestyle recommendations for optimizing health markers.

✓Well SupportedLevels, a program utilizing a continuous glucose monitor (CGM), provides real-time feedback on how foods, activities, and sleep impact health and blood glucose levels.

✓Well SupportedAndrew Huberman has used Levels glucose monitoring devices and found them informative for understanding his blood sugar regulation and its reaction to different foods.

✓Well SupportedChronic inflammatory activation can induce brain and body changes that predispose individuals to depression.

✓Well SupportedDuring REM sleep, the brain paralyzes voluntary muscles except for extraocular and inner ear muscles.

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

✓Well SupportedStaying inside in a dimly lit room and performing near tasks increases the risk of nearsightedness 16-fold compared to children who go outside.

✓Well SupportedExercise is a powerful intervention for mitigating cognitive decline, likely mediated by BDNF and increased microvascular function.

✓Well SupportedPsilocybin treatment has a substantial antidepressant effect in people with major depressive disorder, persisting for at least 4 weeks.

✓Well SupportedMaintaining steady blood glucose levels without significant spikes or dips is important for sustained energy and focus.

✓Well SupportedExposure to inflammatory chemicals like interferon alpha can induce depression, with symptoms resolving within weeks of stopping exposure.

◐Partially SupportedGetting children and adults outside, especially in the morning, is recommended for setting circadian rhythm.

◐Partially SupportedAntidepressants can open a window for neuroplasticity by changing neuromodulator levels.

◐Partially SupportedSSRIs help approximately one-third of people with depression, with another third showing minimal benefit and the final third no benefit.

◐Partially SupportedCompleting the Huberman Lab podcast survey offers two months free of the premium channel, with existing members receiving an additional two months.

◐Partially SupportedSome individuals perceive the smell of microwave popcorn as vomit due to a specific gene.

◐Partially SupportedInnate human odor aversions are limited to a few specific smells like rotting meat.

◐Partially SupportedPsilocybin's effectiveness in treating depression may be related to its ability to encourage neuroplasticity, and inflammation might act as a barrier to neuroplasticity.

◐Partially SupportedThe human olfactory epithelium contains approximately six to seven million olfactory receptors of about 350 different subtypes.

◐Partially SupportedPractices like breathwork, psychedelics, and meditation are now subjects of federal grants and clinical trials for their ability to shift internal states and induce neuroplasticity.

◐Partially SupportedMemories and traits related to experiences can be passed from one generation to the next across species and in humans.

✓Well SupportedLight exposure, particularly in the morning, is important for setting circadian rhythm.

◐Partially SupportedIn field mice, pregnant mothers exposed to artificial spring conditions with increasing day length result in pups born with a low density of fur.

◐Partially SupportedA subset of depressed individuals who do not respond to SSRI antidepressants may be helped by anti-inflammatories.

◐Partially SupportedDamage to the cerebellum results in clumsiness, poor movement coordination, disturbed gait, and difficulty with precise reaching, but not paralysis.

◐Partially SupportedIn populations with poor nutrition and high infectious disease rates, the heritability of height is reduced to approximately 50%.

✓Well SupportedGenes and practice both influence athletic performance.

◐Partially SupportedReading involves motor signals to the speech system that do not reach a threshold for vocalization.

◐Partially SupportedArtificial injection of Interleukin-17 (IL-17) into the fetal brain of a mouse model can reproduce developmental brain abnormalities.

◐Partially SupportedNewborn identical twins can have significant differences in organ size despite having the same DNA.

◐Partially SupportedEarly life environmental experience can influence sweat gland innervation and heat tolerance.

✓Well SupportedThe cerebellum is implicated in functions beyond balance, including timing, cognition, and motor learning.

◐Partially SupportedIndividual variation in olfaction significantly impacts the perception of reality.

✓Well SupportedThe mind-body connection involves mental functions affecting the body and bodily phenomena affecting the mind.

◐Partially SupportedBehavioral variation in individuals stems from genetic variation, early life experience, and the stochastic nature of development.

◐Partially SupportedIndividual variations in Krause corpuscle structure may contribute to differences in sexual preference, orgasm propensity, and preferred touch.

◐Partially SupportedKrause corpuscles are found in the cornea and joint linings, challenging their exclusive role in sexual sensation.

◐Partially SupportedMaternal stress or illness during pregnancy may affect offspring's brain development via immune-neural interactions.

◐Partially SupportedThe nerve endings in the genitals responsible for sexual sensation are a long-standing mystery in neuroscience.

◐Partially SupportedThe equal environment assumption in twin studies can be violated.

◐Partially SupportedDepression is a common comorbidity in multiple sclerosis, not solely attributable to the psychological impact of paralysis.

◐Partially SupportedSignals from the body to the mind can be transmitted through neurons (interoception) and through hormonal or diffusible immune signals (cytokines).

◐Partially SupportedNeuroplasticity is ultimately responsible for the relief of any neuropsychiatric condition.

◐Partially SupportedMuch scientific research uses inbred animal models in controlled environments, often ignoring individual variation.

◐Partially SupportedGlia, including microglia, are the most abundant cell type in the brain and are increasingly recognized for their important roles.

◐Partially SupportedMice in laboratory settings, when provided with running wheels, will actively run an average of 2 kilometers per night, with some running up to 20 kilometers, indicating a strong preference for exercise and a dislike for confinement.

◐Partially SupportedHeritability and experience interact in complex ways, sometimes oppositional and sometimes reinforcing, rather than being in opposition.

◐Partially SupportedElevated levels of IL-6 in cerebrospinal fluid may cause depression in multiple sclerosis.

◐Partially SupportedBasic needs such as learning opportunities, adequate nutrition, and decent medical care are necessary for individuals to fulfill their genetic potential for positive traits like height.

◐Partially SupportedEarly career researchers in neuroscience should avoid currently trendy topics and techniques due to research focus shifts every five years.

◐Partially SupportedA teratoma is a non-malignant tumor that can grow hair and is typically found in the abdomen or near the ovaries.

◐Partially SupportedExercise improves cognitive function as one ages by influencing biological pathways involving microglia, neurons, and the brain's vasculature.

◐Partially SupportedThe perception of butyric acid and isovaleric acid can be manipulated by associating them with parmesan cheese or vomit.

◐Partially SupportedInflammation is hypothesized to be anti-neuroplasticity, and its interaction with neuroplasticity is relevant to depression treatment.

◐Partially SupportedA curious and nerdy approach to health processes can provide agency during illness.

◐Partially SupportedAtrial fibrillation can be cured by ablating a small strip of heart cells responsible for aberrant electrical signaling.

◐Partially SupportedThe cerebellum is responsible for motor behavior, balance, learning new motor behaviors, and timing.

◐Partially SupportedThe cerebellum's primary function is to predict the immediate future to guide behavior, initially for motor control and later for non-motor behaviors.

◐Partially SupportedMental processes may influence cancer progression, as neurons connected to the brain secrete signaling molecules like CGRP that affect cancer.

◐Partially SupportedSome hormones, like estrogen, are produced by neurons and convey signals from the brain to the body.

◐Partially SupportedChronic masturbation can lead to desensitization of sexual sensation in the penis due to morphological or functional changes in nerve corpuscles.

◐Partially SupportedIndividuals should not wait for a diagnosis to take actions that lead to a fulfilling life and positive impact.

◐Partially SupportedTraits that appear heritable can be determined by early life environmental experiences.

◐Partially SupportedEpigenetic changes can be transferred over a single generation if the mother experiences certain events during pregnancy.

◐Partially SupportedHeritability of personality traits is about 50% on average.

◐Partially SupportedPhysical fitness gained through exercise does not make offspring more fit because germline DNA is not directly modified by behavior.

◐Partially SupportedCalcitonin gene-related peptide (CGRP) released by neurons reduces immune patrolling function, allowing tumors to grow and spread.

◐Partially SupportedExposure to light, particularly early in life, stimulates the expression of trophic factors that can alter the elongation of the eyeball, influencing myopia.

◐Partially SupportedMind-body communication involves numerous neural pathways beyond the vagus nerve.

◐Partially SupportedSleep paralysis occurs when the normal brainstem blockade of motor signals during REM sleep fails, leaving an awake individual unable to move.

◐Partially SupportedSleep deprivation can lead to death, potentially from sepsis due to breakdown of the gut barrier.

◐Partially SupportedChemotherapy can cause low mood, potentially due to elevated levels of cytokines like interleukin-6.

✕Not SupportedClaims of epigenetically inheriting trauma from ancestors currently have poor evidence.

◐Partially SupportedThe scientific and medical understanding of how thoughts influence the body and vice versa is now accepted.

◐Partially SupportedChronic stress is detrimental to health, while short-term stress can be beneficial.

◐Partially SupportedNeurons innervating melanomas can secrete CGRP, reducing immune cell patrolling and promoting cancer growth.

◐Partially SupportedConscious modulation of breathing can have manifold effects on neural function.

◐Partially SupportedInflammation during the first trimester of pregnancy via IL-17 can disrupt fetal brain development and increase vulnerability to schizophrenia or autism.

◐Partially SupportedIndividual variation in neural development can occur even in identical twins due to stochastic processes.

◐Partially SupportedThe genome provides a vague recipe for the body and brain, not a precise blueprint.

◐Partially SupportedNeuroscience research trends can be subject to fads, with glia currently being a spotlighted area.

◐Partially SupportedThe category of 'depression' may encompass multiple distinct biological disorders, some of which require therapies other than SSRIs.

◐Partially SupportedRegular exercise can dilate and increase the elasticity of blood vessels, including those in the brain, which is protective against depression and cognitive decline with age.

◐Partially SupportedPhysical exercise is as effective an antidepressant as SSRIs, with only beneficial side effects.

◐Partially SupportedProlonged physical discomfort from chemotherapy can significantly lower mood, even in individuals not prone to depression.

◐Partially SupportedProlonged use of the heart-lung bypass machine during surgery increases the risk of blood clots and stroke.

◐Partially SupportedA large mass pressing on the heart may have been the cause of atrial fibrillation.

◐Partially SupportedKrauss corpuscles, hypothesized to be the cellular basis of sexual sensation, are also found in other body parts, making their role uncertain.

◐Partially SupportedThe ABCC11 gene variant associated with wet earwax confers a slightly higher risk for breast cancer.

◐Partially SupportedSynapses change as a result of experience, hormones, and exercise.

◐Partially SupportedEnvironmental events can theoretically change the germline, leading to heritable changes.

◐Partially SupportedMost human traits are neither entirely heritable nor entirely unheritable.

◐Partially SupportedMind-body communication is bidirectional, involving respiration (conscious breathing patterns), thought patterns, and physical states (still body, deep relaxation).

◐Partially SupportedThe scientific and medical understanding of the mind-body connection has evolved from a counterculture concept to an accepted area of research, with studies now published on interactions between bodily organs, the gut-brain axis, and heart rate variability.

◐Partially SupportedA teratoma is a non-malignant developmental anomaly that can grow and press on organs.

◐Partially SupportedGenital nerve corpuscle patterns may change based on stimulation, suggesting sexual sensation is experience-dependent.

◐Partially SupportedEarwax type is determined by the ABCC11 gene and is 100% heritable.

◐Partially SupportedPerfect pitch has a heritable component accounting for approximately 30-40% of its variability.

◐Partially SupportedCalcitonin gene-related peptide (CGRP) is involved in pain and itch perception.

◐Partially SupportedGenetic variation in a specific odorant receptor causes some individuals to not detect the hormone androne, while others perceive it as pleasant or foul.

◐Partially SupportedPeripheral neurons can regenerate and remodel extensively, unlike neurons in the brain and spinal cord.

◐Partially SupportedThe nervous system extends beyond the skull and spinal cord.

◐Partially SupportedCGRP is involved in pain perception and itch perception.

◐Partially SupportedExperience, in the context of heritability, should be understood broadly to include prenatal factors, gut bacteria, and all environmental influences from fetal development to death.

◐Partially SupportedPhenylketonuria (PKU) requires both inherited broken gene copies and dietary intake of phenylalanine to manifest.

◐Partially SupportedMale children born to mothers pregnant during the 1918 flu pandemic were shorter and had increased incidence of schizophrenia and autism-like conditions.

◐Partially SupportedClassic IQ tests administered by trained psychologists are predictive of later success and are more predictive than SAT, GRE, or MCAT tests.

◐Partially SupportedIntrinsic plasticity involves changes in ion channels embedded in neuronal membranes that generate electrical signals.

◐Partially SupportedMicroglia, non-neuronal cells in the brain, can prune synapses and are responsive to inflammatory signals via cytokine receptors.

◐Partially SupportedCompulsive marble burying behavior in mice is analogous to some compulsive behaviors in human autism.

◐Partially SupportedEarly life light exposure can influence eyeball elongation, leading to a higher incidence of myopia.

◐Partially SupportedAnti-inflammatory drugs did not relieve depression in a general population of depressed individuals.

✕Not SupportedThe phrase 'nature versus nurture' is misleading and should be replaced with 'heritability interacting with experience'.

◐Partially SupportedThe DNA encoding odorant receptors is unusually variable between individuals, with an average of 30% functional differences in odor receptors between any two people.

◐Partially SupportedHeat stroke susceptibility was significantly higher in Japanese soldiers from northern Japan compared to southern Japan during WWII.

◐Partially SupportedCytokines can travel through the bloodstream and lymphatic system to reach the brain and influence mental function.

◐Partially SupportedDeveloping perfect pitch can be significantly improved with early ear training.