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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

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How to Grow From Doing Hard Things | Michael Easter — Whalespan

Content›Video›How to Grow From Doing Hard …

How to Grow From Doing Hard Things | Michael Easter

Andrew Huberman3h 6m · 2025-06-16

Support Rate

88%

279 of 318 claims supported

Support rate

279 of 318 claims supported

279 supported39 partial / not

Claims from this content

176

✓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 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 SupportedAG1's latest formula upgrade includes clinically studied probiotic strains that support digestive and immune system health, improve bowel regularity, and reduce bloating.

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A. Volkovreader

4h

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

✓Well SupportedMaui Nui venison has an ideal protein-to-calorie ratio, delivering 21 grams of protein per 107 calories per serving, which supports muscle mass and metabolic health.

✓Well SupportedMost people should aim for one gram of quality protein per pound of body weight daily to optimize muscle protein synthesis, reduce appetite, and support metabolic health.

✓Well SupportedConsuming all caffeine before 11 AM can avoid withdrawal and sleep disruption.

✓Well SupportedYerba mate has benefits including regulating blood sugar, high antioxidant content, improved digestion, and potential neuroprotective effects.

✓Well SupportedYerba mate provides steady energy and focus without a crash, making it a preferred caffeine source.

✓Well SupportedMaui Nui Venison is a nutrient-dense and ethically sourced red meat.

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

✓Well SupportedEngaging in activities that increase norepinephrine, such as exercise and cold showers, can enhance mood.

✓Well SupportedOmega-3 fish oil and vitamin D3/K2 supplementation can support mood, brain health, heart health, and healthy hormone status.

◐Partially SupportedNicotine is being investigated as a potential cognitive enhancer, despite the harms of smoking and vaping.

✓Well SupportedDopamine is responsible for motivation, drive, craving, time perception, and movement.

✓Well SupportedThe challenge element of Misogi requires a 50-50 probability of success, unlike typical endurance events where completion is generally expected.

✓Well SupportedAddiction narrows the range of pleasurable activities.

✓Well SupportedNAC (N-acetylcysteine) can support glutathione production and detoxification, and aid in reducing mercury levels.

✓Well SupportedDopamine is a depletable but replenishable resource.

✓Well SupportedDopamine rewards not preceded by substantial effort can lead to addiction and a drop in baseline dopamine levels.

✓Well SupportedThe period from waking until eight to nine hours later is a critical window for the effectiveness of systems releasing cortisol, dopamine, and epinephrine.

✓Well SupportedThe rise of snacking, a cultural norm since ~1970, is associated with increased obesity.

✓Well SupportedDiscomfort experienced during exercise, such as panting or burning legs, is informational and not a sign of imminent danger.

✓Well SupportedWhen the weight used in weighted rucking does not exceed 50 lbs or one-third body weight, the injury rate is exceedingly low, comparable to walking.

✓Well SupportedDopamine drives motivation and the pursuit of rewards.

✓Well SupportedPlacing social media apps on a separate, older phone, without knowing its number, significantly restricts social media time and limits engagement with external links.

◐Partially SupportedSpending a few nights outdoors can reset circadian rhythms and has significant benefits for well-being.

◐Partially SupportedGeneral physical movement, such as taking phone calls while walking or pacing, is essential for overall health.

◐Partially SupportedApproximately 18% of Americans adhere to federal exercise guidelines.

◐Partially SupportedQuitting caffeine abruptly can lead to severe withdrawal symptoms including flu-like feelings, excessive sleepiness, and headaches.

◐Partially SupportedHelix Sleep offers customized mattresses and pillows based on a sleep quiz.

◐Partially SupportedIndividuals who move more throughout their daily lives can burn approximately 800 calories from incidental movement alone.

◐Partially SupportedThe app ClearSpace can increase intentionality with phone usage by introducing a 10-second pause before app access and requiring users to pre-select a time limit.

◐Partially SupportedHumans are wired to seek the easiest, most comfortable option, which backfires in the modern world.

◐Partially SupportedWalking with weight can help people get outside and preferentially burn fat compared to running.

✓Well SupportedChallenging experiences, such as extended time in nature, enable individuals to struggle, problem-solve, and reach a more capable state.

◐Partially SupportedIndividuals who have overcome addiction are better equipped to deal with life and glean meaning from small things.

◐Partially SupportedSelf-generated optic flow activities like walking, running, or cycling can serve as a form of non-sleep deep rest by shutting down brain areas involved in alertness.

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

◐Partially SupportedEngaging in activities slightly outside one's comfort zone can lead to personal growth and an expansion of one's perceived limits.

◐Partially SupportedAllowing the mind to wander during boredom can lead to productive insights.

◐Partially SupportedDopamine-investing activities lead to fundamental positive change.

◐Partially SupportedFood for long journeys should be calorie-dense, taste good, and provide adequate nutritional composition, including sufficient protein.

◐Partially SupportedReduced necessity for challenging activities due to modern conveniences may negatively impact human health.

◐Partially SupportedLearning and engaging with cognitively difficult material, particularly in the morning, can lead to a sense of satisfaction and increased energy.

◐Partially SupportedActively seeking out new places, people, and experiences in person is beneficial.

◐Partially SupportedTo counteract cognitive impairment from smartphone reading, engage in long-form reading on larger screens or paper/books.

✓Well SupportedHuman beings evolved to constantly engage in difficult and uncomfortable activities, including significant physical exertion and exposure to environmental extremes.

◐Partially SupportedParkinson's disease is characterized by a loss of 70-75% of dopamine neurons in the brain stem by the time symptoms appear.

◐Partially SupportedEngaging in difficult experiences, such as exercise or eating healthy food, leads to long-term benefits and personal growth.

✓Well SupportedTime without screens, such as during a long walk without a cell phone, is necessary for processing complex ideas.

◐Partially SupportedDopamine can be spent or invested, with scrolling being a form of spending that leads to a 'leaking' of dopamine.

✕Not SupportedRelying on energy drinks, caffeine, and supplements to simply get through the day is a mistake.

✓Well SupportedSpending extended periods outdoors significantly improves sleep quality, independent of step count.

✓Well SupportedBoredom allows the brain to process information in the background and enter a rest or unfocused mode, potentially leading to better ideas.

◐Partially SupportedBeginners should start carrying weight with 5-20 pounds for women and 10-30 pounds for men, gradually increasing the load.

✓Well SupportedRucking provides both cardiovascular and strength benefits, stimulating muscles to a greater degree than pure endurance activities.

◐Partially SupportedA daily 72lb kettlebell suitcase carry is expected to lead to less pain and more meaning in life over time.

◐Partially SupportedCognitive vigor generally declines with age, with rare exceptions involving weight loss and specific nootropic drugs.

◐Partially SupportedPatterns of physical indulgence can parallel cognitive indulgence.

◐Partially SupportedThe dopamine/catecholamine circuit is implicated in addictive behaviors such as gambling, stimulant use, shopping, and sex.

◐Partially SupportedA subset of the population is particularly susceptible to addiction due to specific triggers.

◐Partially SupportedAbundance of food and ease of life can lead to a drop in baseline dopamine.

◐Partially SupportedRelaxing and savoring enjoyable experiences can be a form of investing dopamine.

◐Partially SupportedDopamine dynamics can be distinguished as healthy or unhealthy.

◐Partially SupportedModern life often requires engaging in slightly uncomfortable actions to improve one's life.

◐Partially SupportedHumans evolved to carry weight, and modern technology has led to a loss of this important form of movement.

◐Partially SupportedCalorie-dense foods like nuts and bars are preferable for outdoor adventures due to their high caloric content and packability.

◐Partially SupportedThe ideal nutritional approach is to eat foods that are ingredients rather than foods that have ingredients.

◐Partially SupportedLess processed and less fibrous foods are generally better for the stomach during strenuous activity.

◐Partially SupportedShaping the narrative around a life event by reflecting on lessons learned and potential future growth is critical for mental health.

◐Partially SupportedEngaging in activities that maintain brain circuitry may enhance cognitive vigor and intellectual engagement.

◐Partially SupportedCarrying heavy packs for a week resulted in significant fat loss and a slight gain in muscle in a study of backcountry hunters.

◐Partially SupportedIndividuals should incorporate carrying weight into their exercise routine by walking with a weighted backpack.

◐Partially SupportedWeighted rucking engages smaller stabilizing muscles and can lead to feeling faster and lighter when running subsequently.

◐Partially SupportedCarrying groceries using a basket provides a low load of carrying that benefits back health and strength.

◐Partially SupportedNutritional composition, including adequate protein intake, is a consideration when selecting food for extended outdoor activities.

✕Not SupportedRunning on a treadmill indoors while distracted misses the benefits of running outdoors on a trail, which involves more discomfort and stimulation.

◐Partially SupportedBrain areas involved in physical activities like jumping, landing, throwing, navigating uneven surfaces, and dealing with unfamiliarity may be the first to atrophy in humans.

◐Partially SupportedAttending recovery meetings can help reset one's perspective on personal problems by hearing stories from individuals at their lowest points.

◐Partially SupportedAbstinence is a reset mechanism for individuals who have drained their catecholamine bank account through addictive behaviors.

◐Partially SupportedListening to Huberman Lab episodes has motivated individuals to stop drinking, leading to significant life improvements.

◐Partially SupportedReducing background noise, such as constant TV or music, can lead to long-term improvements in well-being.

◐Partially SupportedEmbracing silence can be beneficial for well-being, acting as a reset despite initial discomfort.

◐Partially SupportedSitting with boredom and using it to explore alternatives beyond screens can be valuable.

◐Partially SupportedGrabbing a smartphone when feeling anxious or emotionally vulnerable can act as a sedative.

◐Partially SupportedWhen one person stops drinking excessively, the lives of those around them improve.

◐Partially SupportedReframing challenging experiences as beneficial can be a useful psychological tool.

◐Partially SupportedForward ambulation suppresses the fear areas of the brain.

◐Partially SupportedResisting smartphone use can lead to a healthy dopamine rise upon social reconnection without dropping the baseline.

◐Partially SupportedChallenging adventures in unknown environments teach valuable skills and tools that improve functioning in normal life upon return.

◐Partially SupportedDiseases are typically a result of overconsumption of food and insufficient movement, linked to metabolic health.

◐Partially SupportedNon-exercise activity thermogenesis (NEAT) can outweigh the benefits of dedicated exercise in terms of calories burned and potentially long-term health outcomes.

◐Partially SupportedThe practice of 'misogi', undertaking a difficult challenge annually, is beneficial for personal growth.

◐Partially SupportedDopamine can be depleted through activities like scrolling, leading to a dopamine deficit without significant reward.

◐Partially SupportedIt is important to have a mechanism to capture good ideas when they arise, such as writing them down.

◐Partially SupportedRecovery groups are powerful because they provide a shared identity, mutual accountability, and a platform for sharing stories.

◐Partially SupportedEngaging in slightly harder activities that offer long-term benefits is preferable to easy activities that may cause harm.

◐Partially SupportedInteracting with people face-to-face reveals that individuals have significantly more commonalities than differences.

◐Partially SupportedMost people can engage in potentially addictive activities like gambling in moderation without developing a problem.

◐Partially SupportedThe initial challenging phase in activities like writing is a prerequisite for achieving later productivity and breakthroughs.

✕Not SupportedThe 'dopamine hit' model is inadequate; activities like scrolling on social media do not provide transformative rewards.

◐Partially SupportedThe initial phase of strenuous activities like running or writing can feel difficult and resistant, but pushing through this phase is necessary to reach a more enjoyable and productive state.

◐Partially SupportedModern life has removed the need for physical discomfort and challenge to survive, leading to a more comfortable environment.

◐Partially SupportedSmartphones offer benefits, but some come with long-term harms.

◐Partially SupportedModern society's inability to sit with thoughts for even short periods, as evidenced by people using cell phones in grocery lines, indicates a need to practice being present without external stimulation.

◐Partially SupportedUsing smartphones in a way that is helpful rather than harmful is a positive outcome.

◐Partially SupportedAG1 subscriptions include a free one-month supply of omega-3 fish oil and a bottle of vitamin D3 plus K2.

◐Partially SupportedHumans evolved in environments characterized by physical discomfort, including carrying heavy loads, walking long distances, and exposure to temperature extremes.

◐Partially SupportedMet-RX Big 100 Bars are a calorie-dense, high-protein (30g) trail food option with approximately 400 calories, fortified with vitamins and minerals.

◐Partially SupportedConsuming 4,000-5,000 calories daily during 40-day, 20-25 mile/day outdoor adventures can result in a weight loss of approximately 13 pounds.

◐Partially SupportedThe vagus nerve is a pathway by which physical movement or mechanical changes in the gut wake up the brain and are excitatory.

◐Partially SupportedTraining the brain to multitask with media, comments, and communication creates attractor states of noise, leading to a lack of accomplishment.

◐Partially SupportedMichael Easter's cognitive vigor has been increasing since he stopped drinking at age 28 and has engaged in 'massogis'.

◐Partially SupportedEffort and reflection are the two most important elements for enhancing life.

◐Partially SupportedThe 'three-day effect' is a phenomenon where individuals experience increased calmness, collectedness, and alignment after three days in nature.

?Limited ResearchSharing experiences and having a community around an experiment to reduce smartphone use can have both positive and negative effects.

◐Partially SupportedThe '2% rule' involves taking on harder short-term tasks for significant long-term benefits.

◐Partially SupportedFrictionless foraging, such as instant sports betting or online pornography, is detrimental.

◐Partially SupportedFear suppression during physically demanding activities may have provided an evolutionary advantage.

◐Partially SupportedSpending time without screens can be a form of mental discipline and a precursor to accessing deeper thoughts.

◐Partially SupportedSharing experiences and community around a challenge can enhance behavior modification through competition or social accountability.

◐Partially SupportedAvoiding immediate phone comfort during anxiety can lead to self-insight and re-evaluation of time use.

◐Partially SupportedHaving best ideas in the shower stems from the lack of simulation and removal from noise, allowing for spontaneous insights.

◐Partially SupportedMichael Easter prioritizes four to five hours of writing time each morning.

◐Partially SupportedSignificant ideas have emerged from periods of inactivity or reduced sensory input.

◐Partially SupportedStructuring one's day to make mornings difficult and evenings relaxing can be beneficial.

◐Partially SupportedDesignated time for social media use, rather than constant access, is a strategy to manage its impact.

◐Partially SupportedHumans evolved to be good at long-distance running and carrying weight, which facilitated persistence hunting and global conquest.

◐Partially SupportedStriking up conversations with strangers in person is beneficial for long-term well-being.

◐Partially SupportedThe 'Don't Die' event teaches travel and wilderness survival skills over two days.

◐Partially SupportedIncreasing boredom, rather than just reducing phone use, can lead to greater creativity and self-generated ideas.

◐Partially SupportedMichael Easter intentionally relaxes in the evenings by watching reality television, which serves as a mental reset.

◐Partially SupportedGathering in person, even for those who know each other from the internet, is a valuable step for human connection.

◐Partially SupportedIndividuals have optimal circadian schedules (early bird, typical, or night owl) that influence periods of peak attention and wakefulness.

◐Partially SupportedMichael Easter wakes between 3:30 and 4:30 AM and goes to sleep around 8:30 PM.

◐Partially SupportedModern technology and digital tracking continuously refine addictive mechanisms, making it easier to fall into patterns of numbing out or drama.

◐Partially SupportedMovement outdoors impacts the psyche and calm differently than indoor exercise or sitting.

◐Partially SupportedReal-world experiences and interactions lead to better writing and more material.

◐Partially SupportedThe brain operates in attractor states, facilitating deep focus by activating specific neural circuits while others shut down.

◐Partially SupportedVoice notes on a phone can be an effective tool for capturing ideas in real-time.

◐Partially SupportedA typical cup of coffee contains approximately 150mg of caffeine, with larger sizes from Starbucks or Peet's containing 350-1000mg.

◐Partially SupportedAlpha-GPC or caffeine can be used occasionally.

◐Partially SupportedYerba mate provides a different caffeine experience than coffee, with a slower rise and fall.

◐Partially SupportedA proposed online experiment involves participants refraining from smartphone use for a set number of hours daily, competing for time spent offline, and sharing experiences within a community.

◐Partially SupportedDuring its sessile phase, the sea squirt consumes parts of its nervous system that are no longer required.

◐Partially SupportedDespite objective improvements in global metrics like lifespan and hunger, people are less satisfied and more neurotic.

◐Partially SupportedDetrimental long-term behaviors like gambling share circuitry with beneficial behaviors like information gathering.

◐Partially SupportedEngaging in difficult activities, such as spending time in nature without distractions, provides fundamental mental and physical benefits.

◐Partially SupportedThe dopamine/catecholamine circuit is the same for diverse activities including writing, gambling, and surviving in Antarctica.

◐Partially SupportedUnderstanding dopamine and catecholamine dynamics can help identify one's current state and guide future actions.

◐Partially SupportedA customized mattress and pillow can significantly improve sleep quality.

✕Not SupportedStarting with excessive weight for weighted walking can lead to immediate injury.

◐Partially SupportedWalking 8-12 miles with a partner facilitates deep and meaningful conversations.

◐Partially SupportedMichael Easter stops caffeine intake around noon.

◐Partially SupportedForward ambulation with other people can be lifegiving and foster significant connection.

◐Partially SupportedRunning outdoors on a trail provides physical activity along with mental challenges from navigating unpredictable terrain, weather, and environmental stimuli, which can offer emotional and spiritual benefits.

◐Partially SupportedParking farther away from a destination increases non-exercise activity thermogenesis (NEAT).

◐Partially SupportedMovement for the sake of it is necessary in modern life because the average American walks only 4,000 to 6,000 steps per day.

◐Partially SupportedEngaging in activities with physical exertion, such as carrying luggage and taking stairs, leads to feeling better.

◐Partially SupportedTaking the stairs instead of an escalator improves long-term health and well-being.

◐Partially SupportedMichael Easter exercises around 4 PM, after prioritizing his core writing time in the morning.

◐Partially SupportedDuring strenuous outdoor activities, daily calorie expenditure can be approximately 6,300 calories.

◐Partially SupportedEngaging in intentionally uncomfortable activities, such as carrying heavy loads and planning one uncomfortable task weekly, can positively transform mental health.

◐Partially SupportedReflecting on past life phases and listing significant events can reveal that experiences initially perceived as negative were ultimately beneficial for growth.

◐Partially SupportedThe dopamine circuitry that drives addiction can be leveraged for long-term benefit if directed towards meaningful activities.

◐Partially SupportedThe addictive design principles of slot machines, particularly the optimized reward schedule, have been adopted by social media, dating apps, and online shopping platforms.

◐Partially SupportedPerforming small daily habits like making the bed or getting morning sunlight is crucial for maintaining mental fortitude.

◐Partially SupportedCompleting unwanted tasks engages the same neural circuitry as pursuing passions.

◐Partially SupportedContinuously moving forward and maintaining eye contact with lions can confuse them and cause them to move off a kill, whereas averting gaze can lead to attack.

◐Partially SupportedIt is acceptable to 'spend' dopamine on enjoyable activities after a period of 'investing' through effortful tasks.

◐Partially SupportedEarly life experiences like immersion in cold water and outdoor activities can contribute to mental robustness in older age.

◐Partially SupportedCardio exercise provides energy and focus for hours afterward, while intense resistance training can cause brain fatigue.

◐Partially SupportedExcessive daily engagement in scrolling media, reading comments, talking to friends, and texting trains the brain into states of noise and distraction.

◐Partially SupportedAttractor states can be entrained and linked to specific daily events to unconsciously predict and enter a state of deep focus.