Monthly episodes discussing this topic, 2018-10 to 2026-05.
Not enough disagreement in the transcripts to form camps. These are the positions taken by people with demonstrated expertise on this topic first, then by how many people heard them on it, then by VoiceRank.
Aerobic exercise helps prevent brain atrophy and can even promote the growth of new neurons in the hippocampus.
“the group that was training, not only did they not have their hippocampus shrink by 1 to 2%, it actually grew by 1 to 2%.”
The Diary of a CEO · Jul 2025 · 3 episodes · 8.1M views on this topicExercise, meditation, and sleep are the three most critical pillars for enhancing one's ability to learn, retain information, and perform tasks effectively.
“So exercise, meditation, sleep can help you learn, retain and perform better than if you do not have these three things in your life.”
Huberman Lab · Jan 2026 · 3 episodes · 13.8M views on this topicExercise is the most effective tool available for maintaining cognitive function and preventing its age-related decline, acting through metabolic improvements, vascular health, and growth factors like
“and after about nine months of this the thing that stood out Above All Else Beyond any diet beyond the importance of sleep and other things that certainly mattered controlling blood pressure lipids Etc was exercise”
Jordan B Peterson · May 2023 · 2 episodes · 2.7M views on this topicExceeding Dunbar's number for social connections places a tangible strain on cognitive capacity to remember people's identities.
“I've um come I've hit a wall in my memory like a tangible wall because and I think it's connected to like Dunar's number like Dunar's number is the amount of people that you can keep in your head like because we evolved in these tribal scenarios we we evolved with like 150 people”
Joe Rogan Experience · Jan 2026 · 1 episode · 2.2M views on this topicCreatine supplementation can improve cognitive performance and memory under conditions of metabolic stress like sleep deprivation.
“they measured it for 21 hours of sleep deprivation and it really improved memory cognition and it increased brain creatine content”
FoundMyFitness · Mar 2025 · 1 episode · 677K views on this topicLifestyle factors such as sleep, diet, social engagement, and physical exercise are critically important for preventing cognitive decline and reducing dementia risk.
“the amount the proportion of variance meaning the degree of risk that you can reduce with fully preventable or fully in our control lifestyle issues is huge it's as big or bigger than the genetics I think people really need to hear and internalize that”
Huberman Lab · Sep 2024 · 1 episode · 630K views on this topicIndividuals over 45 should undergo a comprehensive 'cognoscopy' to identify and address personal risk factors for cognitive decline.
“We recommend that everybody 45 or over get a cognoscopy, it's a silly term but it's easy to remember.”
FoundMyFitness · Oct 2018 · 1 episode · 497K views on this topicGeneral wellness practices like exercise, good nutrition, and stress management are essential for maintaining and improving brain health.
“Well, you know, on on something like that, you know, from a non-d doctor's point of view, I'm a I'm a memory champion. I would focus just on, you know, good nutrition, health, you know, going for walks, staying healthy, that stuff is going to impact your memory”
Shawn Ryan Show · May 2026 · 1 episode · 255K views on this topicPositions are extracted from transcripts by a model and may misattribute who said what. Every quote links to the episode it came from.
Includes episodes tagged with a narrower subject — each is marked with the subject it came in through.
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