health and fitness
The body as something you decide about: sleep, exercise, drugs of every legality, and how far optimising it is worth taking.
FilterEveryone, all time106 from 48 people
- PL
Pieter Levels quoted
Dutch bootstrapper who builds and runs his internet startups alone
Their wordsHaving an active social life is just as important or in some studies even more important for health than physical fitness
- 4 days earlier
- AA
Awais Aftab quoted
Psychiatrist and clinical assistant professor at Case…
Their wordsIt is relatively easy to ask for and be prescribed medications, but quite difficult to see a physician who actually cares and listens and thoughtfully attends to diagnostic work-up and treatment risks and patient concerns.
↗I Believe in a Radical Abundance of Relational Carepsychiatrymargins.com 2nd of 3 in this piece
- AA
Awais Aftab quoted
Their wordsWhen a patient has ready access to a full range of options, then medication becomes one tool among many, chosen deliberately, not defaulted to out of desperation.
↗I Believe in a Radical Abundance of Relational Carepsychiatrymargins.com 3rd of 3 in this piece
- 8 days earlier
- SC
Sasha Chapin quoted
Writer and author of All the Wrong Moves
Their wordsThe moment when you realize that you thought drugs were powerful and meditation was mild, but you now realize the opposite is true.
↗Average moments of a long-term meditatorsashachapin.substack.com 1st of 3 in this piece
- MW
Matt Webb quoted
British designer and technologist
Our readingFatigue does not always feel fatiguing in the moment; it is also the accumulation of time expended.
Their wordsfatigue does not always feel fatiguing in the moment, it is also the accumulation of time.
↗Running my second marathon as a hollow maninterconnected.org 1st of 2 in this piece
- RM
Ray Maker quoted
Reviews sports technology at DC Rainmaker — watches
Their wordsGenerally speaking for me (and most people), if you start getting sick, your HRV values will plummet roughly a day or so before you have actual noticeable symptoms.
↗Garmin Fenix 9 Series In-Depth Review: Worth the Upgrade?dcrainmaker.com 2nd of 2 in this piece
- TF
Tim Ferriss quoted
Author of The 4-Hour Workweek and Tools of Titans
Their wordsWe all have to become our own chief medical officers. We have to work out what's going to work for us, what's going to make us whole and healed so that we can live our best lives possible.
↗How to Legalize Medical Psychedelics in Your Country — Tania de Jong on The Playbook Behind Australia’s World-First Breakthrough (#883)tim.blog 3rd of 3 in this piece
- 1 day earlier
- RM
Ray Maker quoted
Their wordsAs always, I don't compare/review the sleep phase/stage data, because doing so would be basically fake news.
↗Apple Watch Ultra 4 In-Depth Review: Does it Match the Hype?dcrainmaker.com 1st of 3 in this piece
- RM
Ray Maker quoted
Their wordsThis is probably because they are incredibly variable minute to minute and hour to hour in a non-resting state.
↗Apple Watch Ultra 4 In-Depth Review: Does it Match the Hype?dcrainmaker.com 2nd of 3 in this piece
- 2 days earlier
- PL
Pieter Levels quoted
Their wordsI'm increasingly convinced gray hair is at least partly due to oxidative stress from the average diet now that's mostly processed food, as well as lack of heavy exercise and obesity
- PL
Pieter Levels quoted
Their wordsyou can at least partly avoid it by eating clean, exercising heavy and sleeping well I think
- 7 days earlier
- RM
Ray Maker quoted
Our readingAI is one of the biggest challenges facing the structured workout training industry today.
Their wordsone of Wahoo's biggest challenges is the same thing that's challenging the rest of the structured workout industry: AI.
↗Wahoo Launches Apple Watch App & Features Targeting Runnersdcrainmaker.com 2nd of 3 in this piece
- RM
Ray Maker quoted
Their wordsThus, in effect, you're paying for structured running workouts, which are a dime a dozen these days. You don't even need AI for that; you can find countless free ones on the interwebs with 2 seconds of work.
↗Wahoo Launches Apple Watch App & Features Targeting Runnersdcrainmaker.com 3rd of 3 in this piece
- 6 days earlier
- PL
Pieter Levels quoted
Their wordsI think people really underestimate how many people are on gear (TRT, Tren, HGH etc) and are not natural
- PL
Pieter Levels quoted
Their wordsYou definitely will NOT get a body you see on fitness Instagram or in Hollywood 99% of those people are on gear and not natty!
- 4 days earlier
- PA
Peter Attia quoted
Physician and founder of Early Medical
Their wordsBut there is a downside to being very precise about a prescription: the prescription can start to sound more important than the objective it was designed to serve.
↗A better way to think about Zone 2peterattiamd.com 1st of 4 in this piece
- PA
Peter Attia quoted
Their wordsVO2 max, the peak of our triangle, is one of the strongest predictors of all cause mortality at any age, reliably predicts the physical activities we can take part in in our daily lives, and slowly decreases as we age.
↗A better way to think about Zone 2peterattiamd.com 2nd of 4 in this piece
- PA
Peter Attia quoted
Their wordsThis is what tells us how to train: as the practical constraint on volume changes, so too does the appropriate tool.
↗A better way to think about Zone 2peterattiamd.com 3rd of 4 in this piece
- PA
Peter Attia quoted
Their wordsZone 2 isn’t a secret physiological lever, nor does it provide some sort of mitochondrial magic that only exists at this intensity.
↗A better way to think about Zone 2peterattiamd.com 4th of 4 in this piece
- 3 days earlier
- KJ
Katelyn Jetelina quoted
Epidemiologist; founded Your Local Epidemiologist in March…
Our readingThe specific vaccine brand or formulation matters less than simply getting vaccinated at all.
Their wordsThere are nuances to consider for those seeking maximum protection, but ultimately, the best vaccine is the one you receive.
↗Your guide to fall 2026 vaccinesyourlocalepidemiologist.substack.com 1st of 2 in this piece
- KJ
Katelyn Jetelina quoted
Their wordsGetting vaccines is one of the best things you can do this fall and winter to stay healthy and minimize disruption to school, work, and travel.
↗Your guide to fall 2026 vaccinesyourlocalepidemiologist.substack.com 2nd of 2 in this piece
- DH
David Heinemeier Hansson quoted
Creator of Ruby on Rails, CTO of 37signals
Our readingA human lifespan of about 90 to 100 years is right, and living forever is not something to want.
Their wordsI actually I do wanna die. I don't wanna do this forever. Like, I think the human li- lifespan of about 90 to 100 sounds about right. I'm embracing the finitude of life.
↗DHH: Future of Programming, AI, Agentic Engineering, Vibe Coding & Linux | Lex Fridman Podcast #501youtube.com 39th of 41 in this recording
- DH
David Heinemeier Hansson quoted
Their wordsAnd this is the myopia of modernity, that we reduce things down to like, well, one glass on this long run study meant that you had a 0.1% greater risk of some heart defect. Yes, but if you didn't live at all, what's the point?
↗DHH: Future of Programming, AI, Agentic Engineering, Vibe Coding & Linux | Lex Fridman Podcast #501youtube.com 40th of 41 in this recording
- 2 days earlier
- MH
Masud Husain quoted
Professor of Neurology at the University of Oxford
Their wordsIf you start from a low baseline of performance, you might get some positive boost. It's quite small, but you might get it. But if you are actually quite a high performer, then you risk getting worse. with this is called the inverse U-shaped curve.
↗How to Improve Motivation & Overcome Procrastination | Dr. Masud Husainyoutube.com 19th of 24 in this recording
- MH
Masud Husain quoted
Their wordsThose include that having that sense of purpose, making sure that you have a network of people, that you're socially connected as your age, and also remaining curious, open to new ideas. Those factors turn out to be almost as important as some of the physical things we do.
↗How to Improve Motivation & Overcome Procrastination | Dr. Masud Husainyoutube.com 22nd of 24 in this recording
- 7 days earlier
- RA
Ralph Adolphs quoted
Bren Professor of Psychology
Their wordsAnd I'm not claiming this as a published study, but so I think there's a there's a direct autonomic training component as well in terms of the strength and the automaticity, the ease with which you can regulate emotions that they can become kind of automatically regulated.
↗Neuroscience of Emotions & Tools for Improving Emotion Regulation | Dr. Ralph Adolphsyoutube.com 10th of 22 in this recording
- 2 weeks earlier
- AG
Alexey Guzey quoted
Writer and founder of New Science
Our reading · no longer heldMost people sleep more than they need to, and are better off deliberately sleeping less.
No longer holdswhile I still believe that the quality of the existing sleep science is extremely low, I advise against trying to decrease the amount of sleep you’re getting based on this article
SaidMy current status is that I just don’t really worry about sleep these days.
- PA
Peter Attia quoted
Their wordsA zero calcium score is reassuring, but it is most reassuring when the rest of the risk profile points in the same direction.
↗Zero coronary calcium does not mean zero cardiovascular riskpeterattiamd.com 2nd of 2 in this piece
- 3 days earlier
- HK
Henrik Karlsson quoted
Swedish essayist who writes Escaping Flatland
Their wordsSo if you experience stress or fear, your contractions will often grow weaker and less coordinated, slowing the labor, sometimes stalling it.
- 3 days earlier
- EO
Emily Oster quoted
Economist at Brown; writes ParentData and the books…
Our readingThe science behind testosterone's importance does not mean most people need to supplement it.
Their wordsThis is all to say: there is real science behind the importance of testosterone, but that's not the same as saying everyone needs to supplement.