Experts Depression & Mood Andrew Huberman

Andrew Huberman · 60 episodes · 1018 sourced insights

What Andrew Huberman says about depression & mood

Everything Andrew Huberman and guests said about depression & mood across 60 episodes — each point linked to the exact second on YouTube. Sourced expert opinion, not medical advice.

Depression & Mood

In their own words

It is not testosterone but testosterone aromatized into estrogen, binding VMH estrogen-receptor neurons, that triggers aggression.
00:39:19Andrew Huberman · Huberman Lab · May 2022
Flipping on light to VMH estrogen neurons made a mid-mating male mouse instantly try to kill the female, then resume mating when light turned off.
00:28:23Andrew Huberman · Huberman Lab · May 2022
Konrad Lorenz's 'hydraulic pressure' model frames aggression as a building pressure with a beginning, middle, and end, not an on/off event.
00:14:02Andrew Huberman · Huberman Lab · May 2022
Testosterone does not increase aggressiveness; it increases competitiveness and willingness to lean into effort (challenge hypothesis).
00:36:42Andrew Huberman · Huberman Lab · May 2022
Whether estrogen triggers aggression is gated by photoperiod: short, dark days raise cortisol and the propensity for aggression.
00:43:31Andrew Huberman · Huberman Lab · May 2022
A randomized trial found acetyl-L-carnitine supplementation significantly reduced aggressive behavior in children with ADHD.
01:19:05Andrew Huberman · Huberman Lab · May 2022
No single supplement or behavior flips aggression off; stacking diet, sunlight, sleep, and supplements relaxes the 'hydraulic pressure.'
01:25:22Andrew Huberman · Huberman Lab · May 2022
Only about 3,000 neurons total in the ventromedial hypothalamus are enough to generate full aggressive behavior.
00:20:21Andrew Huberman · Huberman Lab · May 2022
Intermittent explosive disorder is more common than people realize and is linked to gene variants affecting serotonin and cortisol.
00:51:46Andrew Huberman · Huberman Lab · May 2022
Aggression circuits route through the periaqueductal gray, which also makes pain-relieving opioids, useful if the aggressor gets hurt.
00:32:33Andrew Huberman · Huberman Lab · May 2022
Biting as aggression normally fades early in childhood; persisting past a certain age is seen as a primitive, troubling sign.
00:32:33Andrew Huberman · Huberman Lab · May 2022
Higher cortisol and lower serotonin both tilt the system toward aggression.
00:47:36Andrew Huberman · Huberman Lab · May 2022
Testosterone has fast-acting effects, activating the corticomedial amygdala within 30 minutes of AndroGel application.
01:08:33Andrew Huberman · Huberman Lab · May 2022
A 2016 study found caffeinated alcoholic drinks raised indirect aggression beyond the effect of alcohol or disposition alone.
01:13:17Andrew Huberman · Huberman Lab · May 2022
Serotonin's precursor is tryptophan, so tryptophan-rich foods like white turkey meat may help modulate aggression.
00:49:52Andrew Huberman · Huberman Lab · May 2022
Ashwagandha potently lowers cortisol but should not be used for more than about two weeks before taking a break.
00:55:27Andrew Huberman · Huberman Lab · May 2022
Conti shares that his brother died by suicide and he initially felt responsible, which drove him into therapy and eventually into mental health work.
00:30:48Dr. Paul Conti · Huberman Lab · Sep 2023
He admits he had a business career and was not acculturated to therapy until he realized 'I'm not okay.'
00:31:21Dr. Paul Conti · Huberman Lab · Sep 2023
Claims the very thing you fear bringing to consciousness because it might overtake you is exactly the thing you must look at.
00:39:51Dr. Paul Conti · Huberman Lab · Sep 2023
Frames hidden trauma as an emotional 'abscess', better walled off than spreading, but not a state of health until drained.
00:57:31Dr. Paul Conti · Huberman Lab · Sep 2023
Argues people who only look forward are like sprinters who leave the blocks too fast and sprawl onto the track.
01:09:38Dr. Paul Conti · Huberman Lab · Sep 2023
Gives a nine-word answer to compartmentalized struggle: 'Don't make yourself special in ways that hurt you.'
02:10:41Dr. Paul Conti · Huberman Lab · Sep 2023
Distinguishes affect, feeling, and emotion to explain how anger is aroused, related to self, then projected onto others.
02:25:04Dr. Paul Conti · Huberman Lab · Sep 2023
Summarizes the entire framework in two words: 'be curious.'
02:36:53Dr. Paul Conti · Huberman Lab · Sep 2023
Huberman cites data that even short daily meditations can improve mood, reduce anxiety, and improve focus and memory.
00:04:10Dr. Paul Conti · Huberman Lab · Sep 2023
States yoga nidra can raise dopamine in certain brain areas by up to 60%.
00:04:44Dr. Paul Conti · Huberman Lab · Sep 2023
Huberman describes a liminal between-sleep-and-awake state where insights arise while doing mundane tasks like dishes.
00:25:25Dr. Paul Conti · Huberman Lab · Sep 2023
Conti notes you can't recall a name by forcing it; the answer surfaces only once you stop consciously searching.
00:27:33Dr. Paul Conti · Huberman Lab · Sep 2023
'You ruminated about it for ten years', rumination runs the conscious mind in circles and prevents understanding.
00:28:06Dr. Paul Conti · Huberman Lab · Sep 2023
Describes the unconscious mind as a biological supercomputer the size of a house doing millions of operations per second.
00:56:27Dr. Paul Conti · Huberman Lab · Sep 2023
Introduces the 'character structure' as a nest in which the self settles and grows.
01:24:02Dr. Paul Conti · Huberman Lab · Sep 2023
Lists the function-of-self cupboards: self-awareness, defense mechanisms in action, salience, behavior, and strivings.
01:34:45Dr. Paul Conti · Huberman Lab · Sep 2023
Frames altruism as a healthy defense mechanism whose endpoint is simply doing good.
01:39:36Dr. Paul Conti · Huberman Lab · Sep 2023
Uses the analogy of nine roads around a home: if you can drive eight, the ninth requires the same skills.
02:13:53Dr. Paul Conti · Huberman Lab · Sep 2023
Huberman paraphrases Anna Lembke's pleasure-pain balance, arguing chasing pleasure tips the balance toward pain, craving, and eventually anhedonia and depression.
00:01:35Andrew Huberman · Huberman Lab · Aug 2021
He shares an anonymized real case of a 21-year-old man whose depression is thought to stem from overindulgence in video games and other highly dopaminergic activities.
00:05:18Andrew Huberman · Huberman Lab · Aug 2021
EPA omega-3 fatty acids at roughly 1000 mg can match SSRIs at relieving depressive symptoms and can lower the effective SSRI dose.
00:59:27Andrew Huberman · Huberman Lab · Aug 2021
Creatine supplementation, normally a fitness aid, is shown in double-blind studies to improve mood and major depression via the forebrain phosphocreatine system.
01:11:41Andrew Huberman · Huberman Lab · Aug 2021
Ketamine and PCP, both drugs of abuse, are being used in clinics to treat depression by blocking the NMDA receptor and inducing neuroplasticity.
01:20:15Andrew Huberman · Huberman Lab · Aug 2021
A 2021 JAMA Psychiatry trial found psilocybin-assisted therapy relieved depression in 50-70% of subjects, often after just one or two doses.
01:36:34Andrew Huberman · Huberman Lab · Aug 2021
Psilocybin's antidepressant benefit does not depend on the subjective content of the trip; different experiences still produce relief.
01:43:58Andrew Huberman · Huberman Lab · Aug 2021
The ketogenic diet can relieve depression, especially in treatment-refractory patients, by increasing GABA transmission in the brain.
01:47:39Andrew Huberman · Huberman Lab · Aug 2021
Dopamine is the molecule of craving, motivation, and drive, not the molecule of reward.
00:03:09Andrew Huberman · Huberman Lab · Aug 2021
Major depression affects 5% of the population and is the number four cause of disability.
00:14:46Andrew Huberman · Huberman Lab · Aug 2021
Early-morning waking around 3-5 AM with inability to fall back asleep despite exhaustion is a common sign of major depression.
00:22:39Andrew Huberman · Huberman Lab · Aug 2021
A 9 PM peak in cortisol is one of the physiological signatures of depressive states.
00:25:49Andrew Huberman · Huberman Lab · Aug 2021
About 20% of people with major depression have low thyroid hormone.
00:42:34Andrew Huberman · Huberman Lab · Aug 2021
Carriers of the 5HTTLPR serotonin transporter polymorphism need far fewer bouts of stress to lapse into depression.
00:47:18Andrew Huberman · Huberman Lab · Aug 2021
For every gram of EPA ingested, there is roughly a 9% improvement in cardiovascular health.
01:02:09Andrew Huberman · Huberman Lab · Aug 2021
Tryptophan from food converts to serotonin, but inflammation diverts it down a neurotoxic pathway producing quinolinic acid.
01:03:46Andrew Huberman · Huberman Lab · Aug 2021
The ketogenic diet was originally developed as a medical treatment for pediatric epilepsy, not weight loss.
01:49:48Andrew Huberman · Huberman Lab · Aug 2021
Eating two to four servings of fermented foods daily tunes the gut microbiome and lowers inflammatory cytokines (Sonnenberg Lab, Cell).
01:58:48Andrew Huberman · Huberman Lab · Aug 2021
Contrary to popular belief, people perform best on focus-heavy cognitive tasks in complete silence, worst when listening to their favorite lyrical music.
00:54:22Andrew Huberman · Huberman Lab · Sep 2023
Listening to familiar lyrical music in the breaks between work bouts actually enhances learning, even though it harms learning during the work itself.
01:01:35Andrew Huberman · Huberman Lab · Sep 2023
Faster music (140-150+ BPM) reliably shifts mood happier even when the lyrics are complete nonsense, proving cadence, not lyrics, is the key variable.
01:14:32Andrew Huberman · Huberman Lab · Sep 2023
The song 'Weightless' by Marconi Union produced up to 65% anxiety reduction in just 3 minutes, as effective as a commonly prescribed benzodiazepine.
01:29:23Andrew Huberman · Huberman Lab · Sep 2023
Listening to sad music for 13 minutes or more helps people process and move through grief, supporting the catharsis model.
01:25:16Andrew Huberman · Huberman Lab · Sep 2023
Children who learn instruments before age eight show up to 30% greater connectivity between brain hemispheres that persists into adulthood.
01:34:01Andrew Huberman · Huberman Lab · Sep 2023
A roughly 10-15 minute dose of fast music before work or exercise is one of the best science-backed ways to boost motivation.
00:31:09Andrew Huberman · Huberman Lab · Sep 2023
Listening to 10-30 minutes of your favorite music daily increases heart rate variability around the clock, even during sleep.
00:20:15Andrew Huberman · Huberman Lab · Sep 2023
Music's cardiovascular benefits come not from directly changing heart rate but from subconsciously altering breathing patterns.
00:23:54Andrew Huberman · Huberman Lab · Sep 2023
Babies as young as 3 months old respond to music with rhythmic body movements, showing the response is innate, not learned.
00:16:35Andrew Huberman · Huberman Lab · Sep 2023
Roughly 90% of people listen to music to relax, 82% to feel happy, and about 46.5% to process emotions, most often sadness.
01:12:27Andrew Huberman · Huberman Lab · Sep 2023
Scientific evidence suggests music, singing, and dance evolved before spoken language as a fundamental form of human communication.
00:09:16Andrew Huberman · Huberman Lab · Sep 2023
'Happy' music tends to relax the brow and widen the eyes, while sad music (under 60 BPM) activates the corrugator brow muscles.
01:18:37Andrew Huberman · Huberman Lab · Sep 2023
Low-frequency bass tones spaced apart trigger the familiar 'bass face' via a direct neural labeled line from ear to facial expression.
01:20:39Andrew Huberman · Huberman Lab · Sep 2023
The threshold to shift your mood happier is about 9 minutes of fast, upbeat music.
01:23:15Andrew Huberman · Huberman Lab · Sep 2023
Simply foraging for and attentively listening to novel music expands the brain's capacity for neuroplasticity.
01:39:11Andrew Huberman · Huberman Lab · Sep 2023
The top YouTube video of Marconi Union's 'Weightless' has 47 million views and is 10 hours long.
01:30:54Andrew Huberman · Huberman Lab · Sep 2023
A citizen-science microdosing study found microdosing did not compellingly beat placebo; belief that you got a dose drove most of the effect.
00:23:16Dr. Robin Carhart-Harris · Huberman Lab · May 2023
Increased global brain connectivity from psilocybin persists after the trip, seen the next day and three weeks later, correlating with symptom improvement.
01:00:34Dr. Robin Carhart-Harris · Huberman Lab · May 2023
Carhart-Harris reports over 70% of treatment-resistant depression patients get relief, far above typical antidepressants.
01:14:15Dr. Robin Carhart-Harris · Huberman Lab · May 2023
A single 25mg psilocybin session produced measurable anatomical brain changes (white matter tract integrity) resembling a younger, developing brain.
01:24:48Dr. Robin Carhart-Harris · Huberman Lab · May 2023
Pre-trial expectancy predicted response to escitalopram but NOT to psilocybin, undercutting the idea that psychedelic therapy is just a placebo effect.
01:39:36Dr. Robin Carhart-Harris · Huberman Lab · May 2023
Most treatment-resistant depression patients eventually relapse, and they cannot legally repeat the treatment that worked, which he calls 'a sick joke.'
02:11:13Dr. Robin Carhart-Harris · Huberman Lab · May 2023
MDMA therapy for PTSD is years ahead of psilocybin; MAPS completed two phase III trials with ~67% remission, with approval possibly this year.
02:23:22Dr. Robin Carhart-Harris · Huberman Lab · May 2023
The word 'psychedelic' was coined by Humphry Osmond, who beat Aldous Huxley's term, with the ditty 'to fathom hell or soar angelic, just take a pinch of psychedelic.'
00:07:48Dr. Robin Carhart-Harris · Huberman Lab · May 2023
Roughly 1 gram of magic mushrooms contains about 10 milligrams of psilocybin (~1% by mass).
00:27:27Dr. Robin Carhart-Harris · Huberman Lab · May 2023
Psychedelic therapy uses eye masks and lyric-free music; the music's emotional role has never been properly tested despite being a staple of every successful trial.
00:31:10Dr. Robin Carhart-Harris · Huberman Lab · May 2023
The guiding mantra 'trust, let go, be open' is attributed to Bill Richards at Johns Hopkins.
00:39:33Dr. Robin Carhart-Harris · Huberman Lab · May 2023
In healthy-volunteer trials, a 1mg psilocybin dose is used as a placebo because subjects feel nothing and EEG shows no change.
01:08:01Dr. Robin Carhart-Harris · Huberman Lab · May 2023
Anorexia nervosa is the most deadly of all psychiatric illnesses; an ongoing psilocybin trial showed improved weight at long follow-up.
01:11:08Dr. Robin Carhart-Harris · Huberman Lab · May 2023
DMT is described as a 'rocket ship'; it is an order of magnitude less potent than psilocybin but produces wilder experiences at standard doses.
01:58:07Dr. Robin Carhart-Harris · Huberman Lab · May 2023
A study found cocaine inflates the ego while psychedelics dissolve it, cleanly separating the two drug classes on opposite axes.
02:07:31Dr. Robin Carhart-Harris · Huberman Lab · May 2023
Fentanyl lacing now shows up in street MDMA and psychedelics, a serious danger for those using uncertain sources.
02:14:22Dr. Robin Carhart-Harris · Huberman Lab · May 2023
Carhart-Harris argues psychiatric drugs haven't fundamentally improved since the 1950s, making psychedelic therapy a true paradigm shift.
02:31:16Dr. Robin Carhart-Harris · Huberman Lab · May 2023
Dr. K's third-year-resident patient had done six months of therapy just venting weekly, revealing that talking about feelings (especially for men) is often not enough.
00:33:10Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
Dr. K spent 7 years training to become a monk before becoming a psychiatrist, and pushed back on Western models of the mind.
00:42:00Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
During his father's funeral he touched the cold body, felt grief, yet found the witnessing self at peace: 'the body is grieving, but I'm not grieving.'
01:07:25Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
Cites a first case report of AI-induced psychosis: patient recovered on antipsychotics, relapsed into psychosis only after resuming AI use.
02:03:32Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
Recounts a case of someone who killed their mother and died by suicide after an AI reinforced their paranoid delusions about her.
02:05:04Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
Predicts that in ~60 years society will talk about AI the way we now talk about nicotine and tobacco.
02:10:13Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
Admits he was the 'failure to launch' archetype: 5.5 years to graduate with a 2.4 GPA, started med school at 28, couldn't support himself until residency at 32.
02:32:23Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
Reveals he is a trained Reiki healer, crystal healer and Bach-flower practitioner but won't promote them because he sees no scientific basis.
02:56:58Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
Distress tolerance, perfectionism and rumination are 'transdiagnostic factors' that raise risk across many mental illnesses, and distress tolerance is collapsing.
00:12:59Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
A neutral observer correctly detects flirting only about 30% of the time (studies range 24-42%); ambiguity in flirting is a feature, not a bug.
00:23:20Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
In the Eastern model, anything you say after 'I am...' (professor, son, loser) is the ego, not your true self.
00:48:15Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
The Vashishtha Samhita prescribes a cardiac-coherence breathing ratio of roughly 1:4:8 (e.g. inhale 16s, hold 64s, exhale 32s).
01:41:43Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
Erectile dysfunction in men under 30 has climbed from about 5% (20-30 years ago) to roughly 20%.
02:39:43Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
In analyses of charisma, looks rank only about sixth; purpose, vision and ability to handle adversity matter more.
02:20:29Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
Drive for muscularity is inversely correlated with relationship length: 'by all means get muscular, but want it less.'
02:22:33Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
Lesbian couples have the highest divorce rate (~60%) and women are far more likely to initiate divorce; men's post-divorce cortisol, inflammation and heart-attack risk spike.
02:28:13Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
On a rickety-bridge date couples form a stronger bond, illustrating that shared emotional experience (not profiles) fosters love.
02:50:11Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
Roughly half of academic studies on charisma are published in religious-studies journals.
02:48:37Dr. Alok Kanojia (Dr. K) · Huberman Lab · Mar 2026
Cites a Nature Mental Health study of 85,000+ people showing darkness for 6-8 hours nightly independently improves mental health, beyond daytime light.
00:02:05Andrew Huberman · Huberman Lab · Oct 2023
Updates his long-standing 'sunlight' pillar to 'light/dark' because how much darkness you get matters as much as light.
00:11:30Andrew Huberman · Huberman Lab · Oct 2023
Argues antidepressants and psilocybin work mainly by opening neuroplasticity, not by simply correcting a serotonin or dopamine deficit.
01:05:28Andrew Huberman · Huberman Lab · Oct 2023
Reveals his own Stanford lab's clinical trial (with David Spiegel) found 5 minutes of daily cyclic sighing improved mood around the clock.
01:19:02Andrew Huberman · Huberman Lab · Oct 2023
Shares that since 2015 he has kept dated 'lifetime' folders dividing his life into 3-5 year increments to build a self-narrative.
01:28:22Andrew Huberman · Huberman Lab · Oct 2023
Defines mental health via Paul Conti's 'generative drive' that must never be outsized by the aggressive or pleasure drives.
01:48:29Andrew Huberman · Huberman Lab · Oct 2023
Warns that shrinking the language we use to describe trauma lets it root in the unconscious and disrupt sleep.
01:54:42Andrew Huberman · Huberman Lab · Oct 2023
A small amount of light while sleeping with eyes closed can disrupt morning glucose levels (PNAS study).
00:27:34Andrew Huberman · Huberman Lab · Oct 2023
The physiological sigh was discovered by physiologists in the 1930s and is hardwired into our nervous system.
00:41:33Andrew Huberman · Huberman Lab · Oct 2023
Psilocybin is converted to psilocin in the brain and chemically resembles serotonin, though its effects differ.
00:58:43Andrew Huberman · Huberman Lab · Oct 2023
'Emotional granularity' - putting more specific labels on emotions - measurably improves well-being, but cuts both ways for negative emotions.
01:08:06Andrew Huberman · Huberman Lab · Oct 2023
Heart rate variability is the variation in time between heartbeats and correlates with positive physical and mental health.
01:16:24Andrew Huberman · Huberman Lab · Oct 2023
Respiratory sinus arrhythmia: inhaling speeds the heart up and exhaling, via the vagus nerve, slows it down.
01:16:56Andrew Huberman · Huberman Lab · Oct 2023
Paul Conti's 'iceberg model' frames most mental processing as unconscious, below the waterline.
01:24:14Andrew Huberman · Huberman Lab · Oct 2023
Emotionally laden dreams cluster in the later, REM-rich part of the night and reflect the unconscious mind.
01:36:06Andrew Huberman · Huberman Lab · Oct 2023
If you can't recall a dream, lying completely still with eyes closed improves dream recollection.
01:37:11Andrew Huberman · Huberman Lab · Oct 2023
Recommends 180-220 minutes of Zone 2 cardio per week plus weekly VO2 max work and resistance training.
00:28:37Andrew Huberman · Huberman Lab · Oct 2023
Hattar's Nature paper showed light at the wrong time damages mood and learning even without disrupting the circadian clock or causing sleep deprivation.
00:56:32Dr. Samer Hattar · Huberman Lab · Oct 2021
Mood effects of light run through a different brain region (the perihabenular nucleus) than circadian setting, projecting to the prefrontal cortex.
00:59:43Dr. Samer Hattar · Huberman Lab · Oct 2021
Hattar introduces his 'tripartite model': circadian clock, homeostatic sleep drive, and direct light/environment input must all be aligned.
01:00:47Dr. Samer Hattar · Huberman Lab · Oct 2021
Killing the light-entrainment cells unexpectedly destroyed the animals' ability to entrain to food, opposite of what the lab predicted.
01:01:01Dr. Samer Hattar · Huberman Lab · Oct 2021
Hattar reveals he lost about 56 pounds (from 275 to 219) by aligning light, meal timing, and exercise to his circadian cycle.
01:18:25Dr. Samer Hattar · Huberman Lab · Oct 2021
Hattar argues light is the strongest time-giver and must be regulated first before food, exercise, and sleep fall into place.
01:25:40Dr. Samer Hattar · Huberman Lab · Oct 2021
Hattar admits a six-day conference of late-night partying takes him two full weeks of jet-lag-like recovery afterward.
01:34:42Dr. Samer Hattar · Huberman Lab · Oct 2021
Hattar makes the case to abolish daylight saving time entirely, calling the one-hour shifts biologically harmful.
02:00:47Dr. Samer Hattar · Huberman Lab · Oct 2021
The human circadian clock runs about 24.2 hours, drifting roughly 0.2 hours per day without sunlight to reset it.
00:08:22Dr. Samer Hattar · Huberman Lab · Oct 2021
Even a cloudy day is far brighter than indoor lighting, so outdoor light still sets the clock through clouds.
00:23:35Dr. Samer Hattar · Huberman Lab · Oct 2021
About 15 minutes of daily morning light is enough; the system is 'photon counting' and tracks light continuously.
00:25:40Dr. Samer Hattar · Huberman Lab · Oct 2021
Hattar dislikes blue-blocker glasses because filtering one wavelength distorts vision; dimming full-spectrum light is better.
00:46:11Dr. Samer Hattar · Huberman Lab · Oct 2021
Bright light at night disrupts the clock even with blue blocked, since the cells also respond to a wide spectrum.
00:49:40Dr. Samer Hattar · Huberman Lab · Oct 2021
Both totally dark rooms and complete darkness induce anxiety; even nocturnal animals get depressed in constant dark.
00:51:14Dr. Samer Hattar · Huberman Lab · Oct 2021
Regular meal timing acts as a second time-giver, so hunger can spike sharply right at your usual eating time.
01:13:10Dr. Samer Hattar · Huberman Lab · Oct 2021
Light early in the evening delays your clock; light after your temperature low (early morning) advances it.
01:45:07Dr. Samer Hattar · Huberman Lab · Oct 2021
Spring may carry higher suicide risk because returning light gives deeply depressed people the energy to act.
01:55:37Dr. Samer Hattar · Huberman Lab · Oct 2021
People with lighter-colored eyes likely need less light because a lighter pupil blocks fewer photons.
02:05:29Dr. Samer Hattar · Huberman Lab · Oct 2021
Claims meditation has a dozen or more documented benefits and that getting better at it means you can meditate LESS, not more, to derive benefits.
00:13:30Andrew Huberman · Huberman Lab · Oct 2022

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