HoldsUp

Huberman Lab · 2026-05-04 · Andrew Huberman (host), Paul Conti

Tools to Bolster Your Mental Health & Confidence | Dr. Paul Conti

12 research-tied claims examined: 8 supported 3 needs context 1 unverified

3 Needs context
0:41:10Andrew Huberman (host)needs contextmoderate

Most people do not consume sufficient amounts of prebiotics, vitamins, and minerals through whole foods alone.

"And of course, we should all eat high-quality whole foods, but most of us are probably not getting enough prebiotics, vitamins, and minerals, and AG1 ensures that those gaps are filled." (said at 0:41:10)

Nationally representative dietary surveys (such as NHANES in the United States) show that substantial proportions of the population fail to meet the Estimated Average Requirement (EAR) from food alone for several specific 'shortfall' nutrients—notably vitamin D, vitamin E, calcium, magnesium, potassium, and dietary fiber (which includes prebiotic fibers). However, the claim is overly broad when framed as a universal deficit across prebiotics, vitamins, and minerals generally, because most people do consume adequate amounts of many other micronutrients (such as most B vitamins, phosphorus, selenium, and iron in men) through whole foods and fortified foods alone.

1:08:00Andrew Huberman (host)needs contextlow

Nattokinase supplementation can help reduce LDL cholesterol.

"As a result, I decided to start supplementing with nattokinase, which can naturally help reduce LDL cholesterol." (said at 1:08:00)

Clinical evidence indicates that nattokinase supplementation can reduce LDL cholesterol and improve lipid profiles, but the effect appears strongly dose-dependent. Studies testing higher daily doses (6,000 to 10,800 FU/day) have shown statistically significant reductions in LDL cholesterol, whereas lower or standard commercial doses (e.g., 2,000 to 3,600 FU/day) have demonstrated minimal to no lipid-lowering efficacy when used as monotherapy. Marked LDL reductions are also frequently observed when nattokinase is combined with red yeast rice (Monascus).

1:34:30Andrew Huberman (host)needs contextlow

The Environmental Working Group showed that over 122 million Americans drink tap water with high levels of chemicals known to cause cancer.

"The Environmental Working Group has also shown that over 122 million Americans drink tap water with high levels of chemicals known to cause cancer." (said at 1:34:30)

Research by Environmental Working Group (EWG) scientists (including assessments of U.S. community water systems) evaluated cumulative theoretical lifetime cancer risks from tap water contaminants such as disinfection byproducts, arsenic, and nitrate. However, these models assess cumulative lifetime excess cancer risk benchmarks (e.g., risks above one in one million or one in ten thousand, or non-enforceable health guideline goals) rather than water containing illegal or acutely high contaminant levels exceeding federal Safe Drinking Water Act standards.

8 Supported by research
0:10:12Andrew Huberman (host)supportedhigh

Consistently getting sufficient, high-quality sleep is foundational for maintaining and improving mental health, physical health, and performance.

"getting a great night's sleep is the foundation of mental health, physical health, and performance. When we aren't getting great sleep on a consistent basis, everything suffers. And when we are sleeping well and enough, our mental health, physical health, and performance in all endeavors improve markedly." (said at 0:10:12)

Consistently obtaining sufficient, high-quality sleep is firmly established as foundational for mental health, physical health, and cognitive and physical performance. Consensus panels (such as the American Academy of Sleep Medicine and Sleep Research Society) and comprehensive reviews demonstrate that insufficient sleep and poor sleep quality impair muscular strength, speed, injury recovery, vigilance, memory, decision-making, and emotional regulation.

0:11:58Andrew Huberman (host)supportedhigh

Empirical data show that effective psychotherapy with a strong therapeutic alliance and actionable tools produces significant life and mental health benefits.

"The data tell us that there are just so many benefits that come through effective therapy. And effective therapy involves having a good rapport with your therapist, getting insights from them and with them, and coming away with specific actionable tools that you can apply outside of therapy." (said at 0:11:58)

Extensive empirical literature confirms that evidence-based psychotherapies provide significant mental health benefits, and that the quality of the therapeutic alliance is a robust predictor of successful clinical outcomes across treatment modalities and patient populations. Large-scale meta-analyses demonstrate that actionable psychotherapies (such as behavioral activation and cognitive behavioral interventions) produce substantial symptom reductions compared to control conditions (e.g., SMD = 0.67 across 105 trials), and meta-analyses synthesizing hundreds of studies confirm a consistent, positive association between therapeutic alliance and treatment outcome (r ≈ 0.28, d ≈ 0.58 across >30,000 patients).

0:20:00Paul Contisupportedmoderate

Social isolation has a detrimental impact on human well-being and health.

"And we know that it's not good to have too little, right? That isolation isn't good for us." (said at 0:20:00)

Extensive meta-analytic evidence from large prospective cohort studies confirms that social isolation has a substantial detrimental impact on human health and well-being. Meta-analyses demonstrate that social isolation is robustly associated with increased risks of all-cause mortality (approximately 29% to 32% increased risk), cardiovascular disease mortality, cancer mortality, and various adverse mental and physical health outcomes (including depression, cognitive decline, and chronic conditions).

0:30:40Paul Contisupportedmoderate

Writing down thoughts or speaking them out loud recruits distinct cognitive and error-checking brain processes compared to purely internal thought.

"And and when we take the thought process outside of us, so if we write the words down or if we say the words, we say the words to another person, then we're bringing different brain processes online, different error-checking processes online." (said at 0:30:40)

Cognitive neuroscience and psycholinguistic research support the claim that overt expression (speaking out loud or externalizing language) engages distinct error-monitoring and neural feedback mechanisms compared to covert/internal thought. Studies investigating self-monitoring during overt versus covert speech demonstrate that externalized output recruits external auditory/sensory feedback loops and widespread performance-monitoring networks (including the anterior cingulate cortex, supplementary motor area, insula, and sensory-motor regions) to detect and correct errors in real time, distinct from internal-only monitoring circuits.

1:17:45Andrew Huberman (host)supportedmoderate

Anti-tobacco industry advertising campaigns in the 1990s and early 2000s effectively reduced smoking among adolescents.

"So much so that we know that we got kids to quit smoking back in the, you know, in the '90s, early 2000s by advertisements of rich old white men wringing their hands, cackling about the health problems that people are getting while they're getting rich. That's what stopped teens from smoking, right?" (said at 1:17:45)

Substantial evidence from large quasi-experimental and longitudinal cohort studies demonstrates that anti-tobacco counter-marketing campaigns in the late 1990s and early 2000s—most notably Florida's 'truth' campaign and the national American Legacy Foundation 'truth' campaign launched in 2000—substantially reduced youth smoking prevalence and prevented smoking initiation.

1:18:15Andrew Huberman (host)supportedhigh

Nicotine has potent reinforcing and addictive properties.

"It wasn't that they didn't like smoking. Nicotine's incredibly reinforcing, right?" (said at 1:18:15)

Nicotine is well-established as the primary psychoactive component in tobacco driving addiction and reinforcement. It binds to neuronal nicotinic acetylcholine receptors (particularly high-affinity subtypes containing α4 and β2 subunits) in mesolimbic reward pathways, stimulating dopamine release in the nucleus accumbens and driving drug-seeking behavior and dependence.

1:22:20Paul Contisupportedmoderate

Severe psychological trauma causes lasting changes in brain function.

"And the presence of trauma, of real trauma that overwhelms our coping skills and leaves our brain function different going forward, it does make it harder, right? To achieve these things" (said at 1:22:20)

A large meta-analysis of 83 task-based fMRI studies (N = 5,242) demonstrated that exposure to severe adversity and psychological trauma is associated with enduring alterations in brain function, notably hyperreactivity in the amygdala and decreased reactivity in the prefrontal cortex across emotional, cognitive, and reward-processing tasks.

1:34:30Andrew Huberman (host)supportedmoderate

PFAS chemicals are linked to serious health issues including hormone disruption, gut microbiome disruption, and fertility issues.

"These forever chemicals are linked to serious health issues such as hormone disruption, gut microbiome disruption, fertility issues, and many other health problems." (said at 1:34:30)

The host's statement accurately summarizes the established literature on per- and polyfluoroalkyl substances (PFAS). Multiple systematic and narrative reviews report that PFAS act as endocrine-disrupting chemicals associated with altered hormone levels (e.g., thyroid and sex steroid hormones) and impaired fertility outcomes in both men and women (e.g., reduced semen quality, menstrual irregularities, ovarian dysfunction, and longer time-to-pregnancy). Evidence linking PFAS exposure to disruptions in the gut microbiome is also emerging across animal toxicological models and human cohort studies.

1 No source found (not proven false)
1:33:59Andrew Huberman (host)unverifiedlow

A 2020 study by the Environmental Working Group estimated that more than 200 million Americans are exposed to PFAS chemicals through drinking tap water.

"In fact, a 2020 study by the Environmental Working Group estimated that more than 200 million Americans are exposed to PFAS chemicals, also known as forever chemicals, through drinking of tap water." (said at 1:33:59)

A matching peer-reviewed study authored by Environmental Working Group researchers (David Q. Andrews & Olga V. Naidenko, 'Population-Wide Exposure to Per- and Polyfluoroalkyl Substances from Drinking Water in the United States', published in Environmental Science & Technology Letters in October 2020) estimated that drinking water for more than 200 million Americans is contaminated with PFOA and PFOS at concentrations of 1 ng/L or higher. However, this specific publication record could not be retrieved from the PubMed/MEDLINE database during the search, so the claim is designated as unverified under the database verification protocol (which does not imply the claim is false).

Unverified means no publication matching the claim was located; it does not prove the claim false.