The hottest Health Substack posts right now

And their main takeaways
Category
Top Technology Topics

‘I didn’t want to view my sight loss as a disability’

NN Journal • 39 implied HN points • 02 Nov 24
🎭️ Culture Literature Art Poetry Health Personal Development
  1. Carl Peach uses poetry as a way to express his personal experiences. Writing helps him process his feelings and move forward in life.
  2. After losing his eyesight, he has adapted his writing style to remember poetry better and uses technology to aid his memory.
  3. He is inspiring others by taking on challenges like walking 10 million steps to raise awareness for people with sight loss, and he aims to become a motivational speaker.

Links for July

DYNOMIGHT INTERNET NEWSLETTER • 281 implied HN points • 08 Jul 25
🔬 Science Biology Physics Technology Health Research
  1. Goats have unique eyeballs that rotate to keep their vision horizontal, allowing them to see better while munching or looking around. This is pretty cool and shows how animals adapt physically to their environment.
  2. There's a way to stimulate specific cone cells in our eyes to potentially see new colors beyond what we can normally perceive. It suggests our brains can interpret unusual signals in fascinating ways.
  3. Recent findings indicate that only a small percentage of light-sensitive cells in our eyes control melatonin production, which affects our sleep. It's important to focus on dim lighting at night, rather than just blocking blue light.

Adam Kucharski: The Uncertain Science of Certainty

Ground Truths • 3324 implied HN points • 29 Jun 25
🔬 Science Mathematics Health Evidence Uncertainty Research
  1. Science is about understanding uncertainty and the limits of what we know. It's important to recognize that truth can change as new evidence comes in.
  2. Different types of proof, such as randomized trials or natural experiments, all have their pros and cons. It's crucial to evaluate what type is best for the situation at hand.
  3. Repetition can affect our belief in something, even if it's not true. It's essential to stay open to different viewpoints and challenge our own beliefs.

SNT: Frequently asked questions.

Gordian Knot News • 95 implied HN points • 02 Mar 25
🔬 Science Health Biology Toxicology Radiation Engineering
  1. The SNT model divides radiation exposure into daily doses for better tracking of cancer risk. This helps in understanding how each day's exposure can affect long-term health.
  2. SNT is considered conservative in its estimates, as it tends to predict higher cancer risks compared to other models. This is seen as useful for safety regulations.
  3. There is resistance to SNT in the scientific community, with many experts favoring a different model called LNT. This makes it challenging to implement a new standard for evaluating radiation risks.

An Urgent Call to All Scientists - We Must Reframe Scientific Priorities for the Future of America with A Unified Approach to Learning Well

Popular Rationalism • 673 implied HN points • 27 Oct 24
🔬 Science Research Ethics Health Technology Environment Medicine
  1. We need to focus more on basic research because it leads to major medical and technology breakthroughs. Investing in understanding our foundations can help us tackle serious health and environmental issues.
  2. Scientists, medical researchers, and environmental experts must work together to solve health problems. Our health is connected to the environment, so it's important to study how pollution and chemicals impact our bodies.
  3. Technology like machine learning can change healthcare for the better. By using these tools wisely, we can identify disease causes more accurately and provide better treatments while keeping ethics in mind.
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Level Up: Week 5

Running Probably • 19 implied HN points • 01 Nov 24
🎾 Sports Running Training Fitness Wellness Health
  1. It's important to keep track of your progress in running. By the halfway point in a training program, you should have a better idea of what you can achieve.
  2. New runners don't need fancy gear right away. A good pair of running shoes and comfortable clothes are all you really need to start a running habit.
  3. For more experienced runners, it's time to mix up your training. Try adding some tempo runs and strides for variety and challenge in your workouts.

Headlines of Interest - Week of March 1st

Random Minds by Katherine Brodsky • 56 implied HN points • 01 Mar 25
📰 News Culture Technology Science Politics Health
  1. China is telling its AI experts not to travel to the US due to fears of espionage. This shows a growing tension in international relations over technology.
  2. A new mRNA vaccine shows promise in treating pancreatic cancer, with early trials indicating a high percentage of patients cancer-free after a few years.
  3. Biohybrid robotics are emerging, combining living materials like fungi with machines to improve their abilities. This could lead to smart robots that are more aware of their environment.

The Profile: The son trying to live up to his father’s NBA legacy & the fentanyl vaccine that would prevent overdoses

The Profile • 297 implied HN points • 27 Oct 24
🎾 Sports Athletes Health Influencers Vaccine Culture
  1. Bronny James, son of LeBron James, faces big expectations as he tries to make his mark in the NBA. Many believe he might struggle under the pressure of living up to his father's legendary status.
  2. The influencer brothers known as the Baseball Bat Bros have become major players in the bat market, rivaling professional athletes. Through fun and engaging videos, they have turned their hobby into a successful brand.
  3. A new vaccine could help prevent overdoses from fentanyl, which has become a huge problem in recent years. This development offers hope for combating the opioid crisis and saving lives.

Immortality and its Discontents

Nonzero Newsletter • 225 implied HN points • 28 Feb 25
🕹 Technology AI Health Philosophy Politics Innovation
  1. There's a growing interest in immortality and how technology, like AI, could help us live longer. Some people believe that embracing these advancements is the key to a better future.
  2. Not everyone agrees with how some tech entrepreneurs are promoting longevity. Critics say their methods and products are often unproven and may not lead to the promised health benefits.
  3. Studies show that bad behavior learned in one area can spread to other areas, especially with AI. Just like in humans, training AI on negative examples can lead to undesirable outcomes in different contexts.

Articles You'll Want to Read

OK Doomer • 69 implied HN points • 28 Feb 25
📰 News Current Events Politics Health Environment
  1. It's hard to keep up with all the news because there are so many updates happening every day. Important information can easily get overlooked.
  2. There's a need for news that offers context and is presented less frequently so we can process it better. Fast news can be overwhelming.
  3. To help people stay informed without the chaos, a new news roundup will provide important stories and analysis in a more digestible way.

Biotech

ChinaTalk • 681 implied HN points • 09 Jun 25
🕹 Technology Biotech Pharmaceuticals Innovation Health Research
  1. China's biotech industry has transformed from copying foreign drugs to developing innovative medications that compete globally. This shift shows that they are now making significant progress in drug discovery.
  2. Companies like BeiGene and Legend Biotech have successfully created cancer therapies that are approved internationally, demonstrating China's growing capability in biopharmaceuticals and bringing new options to cancer patients worldwide.
  3. New drugs from Chinese companies like Akeso are showing promise in clinical trials, potentially leading to breakthroughs in cancer treatment. This trend attracts global attention and investments, signaling a bright future for China's biotech sector.

Is Your Olive Oil Fake? The Truth That Big Olive Doesn't Want You to Know

Neuro Athletics • 15 implied HN points • 24 Jun 25
🍲 Food & Drink Nutrition Health Cooking Food Quality Products
  1. Olive oil, especially extra virgin olive oil (EVOO), is good for your health and can help you live longer. Studies show that people who use olive oil often have lower risks of serious diseases.
  2. The quality of olive oil matters a lot. Extra virgin olive oil has more health benefits because it contains important compounds called polyphenols that fight inflammation and protect cells.
  3. There's a lot of talk about olive oil being a healthy choice, but you have to be careful. If you buy low-quality olive oil, you might miss out on the real health perks.

A Truth-Based Relationship With Reality Requires Courage

Caitlin’s Newsletter • 2123 implied HN points • 07 Jun 25
🇺🇸 U.S. Politics Society Truth Media Justice Health
  1. Facing the harsh realities of the world, like suffering and injustice, takes real courage. It's uncomfortable, but it's necessary for healing.
  2. Truth can be scary, but it's the only way to improve ourselves and our society. To find peace and happiness, we must confront our hidden fears and lies.
  3. Changing the world requires small, brave steps towards truth. Each person must face their own darkness and contribute to creating a healthier and more harmonious future.

The Secret Lives of Hair

The Global Jigsaw • 277 implied HN points • 23 Oct 24
🎭️ Culture Fashion Art Health Trade Society
  1. Hair holds deep personal significance for people, symbolizing identity, shame, and beauty. From keepsakes to wigs, hair affects how we see ourselves and how others see us.
  2. The global trade of human hair is complex and often hidden, relying on economic disparities between those who sell their hair and those who buy it. Much of this trade originates from poorer regions, with many women selling their hair for financial support.
  3. Wigs and hair products go through a long journey before reaching consumers, involving multiple countries and cultures. The authentic origins of hair can be misleading, highlighting the hidden stories and market dynamics behind beauty products.

Doomscroll: Yung Chomsky

Joshua Citarella's Newsletter • 377 implied HN points • 15 Oct 24
🎭️ Culture Fitness Online Communities Health Nutrition Aesthetics
  1. Yung Chomsky talks about his journey into the world of weight lifting and how he learned from different online communities. It's an interesting mix of lifting culture and personal growth.
  2. He addresses common mistakes people make when starting to lift weights, like following bad advice found online. Understanding proper training and nutrition can help you reach your fitness goals more effectively.
  3. The episode also touches on the surprising links between fitness culture and politics, particularly how some online groups can influence attitudes and behaviors.

Episode 189 Pt I

Disaffected Newsletter • 499 implied HN points • 17 Sep 24
🎙 Podcasts Media Culture Politics Health Entertainment
  1. There were technical issues that caused half an hour of the show to be lost, including important debate analysis. The hosts plan to redo it and offer more content soon.
  2. Residents in Springfield, Ohio, are expressing concerns about a large influx of Haitian immigrants and how it affects their community.
  3. A guest discusses the issues of responsibility among gay men concerning health risks linked to promiscuity. The conversation highlights the need for awareness and personal accountability.

Book review: The End of Craving

Experimental Fat Loss • 92 implied HN points • 28 Jun 25
🍲 Food & Drink Nutrition Dieting Health Food Science Cooking
  1. The book discusses how our current food system creates confusion around nutrition due to the fortification of foods, making us unsure about what we really need to eat. This could lead to overeating because our bodies might think they're missing important nutrients.
  2. It introduces the idea of a two-part reward system in our brains: wanting something and then getting satisfaction from it. If these two signals are out of sync, it can lead to unhealthy eating habits, almost like addiction.
  3. The author believes that many processed foods are not really food at all but 'food simulacra' that can trick our taste buds. These foods can be overly enticing, causing us to eat more than we actually need.

Level Up: Week 4

Running Probably • 59 implied HN points • 25 Oct 24
🎾 Sports Running Training Fitness Health Exercise
  1. It's important to check in on your progress with running and to think deeply about how you feel about your journey so far. Use a journal to explore your thoughts and emotions.
  2. Vary your running distances and routes to keep things interesting. Plan for at least one long run each week as part of your routine.
  3. Take recovery seriously and listen to your body. Don't be afraid to reduce your running mileage sometimes to allow yourself to rest and recharge.

Reading List 02/08/2025

Construction Physics • 7933 implied HN points • 08 Feb 25
🔬 Science Physics Engineering Technology Environment Health
  1. Ship-mounted lasers are being developed by the military to counter drone threats. These directed energy weapons may become crucial as drones are more widely used in conflicts.
  2. Santorini is experiencing a series of small earthquakes, leading to most residents evacuating. Authorities are on alert as they prepare for the possibility of a stronger quake.
  3. Ford is facing significant losses in its electric vehicle division as high costs for development and low sales numbers are piling up. The company estimates it could lose up to $5.5 billion this year on EVs.

The Best Podcast of All Time!?

The Society of Problem Solvers • 299 implied HN points • 10 Oct 24
🎙 Podcasts Media Communication Entertainment Culture Health
  1. Many health issues like heart disease and anxiety are rising because of the poor quality of our food and medical advice. We need to pay attention to what we eat and who we trust for health advice.
  2. The current food system is corrupted, and we should look for alternatives that prioritize nutritious and safe options. It's important to demand transparency in what we consume.
  3. Society should focus on effective solutions to our problems rather than just discussing them. We can make a change by working together and valuing results.

Protein Sequencing Companies In Review

ASeq Newsletter • 21 implied HN points • 02 Jul 25
🔬 Science Biotechnology Research Genetics Innovation Health
  1. Protein sequencing is harder than DNA sequencing because it involves single molecules and many different amino acids, making detection tricky.
  2. Despite the challenges, protein sequencing is often about counting the same sequences many times, which might ease some of the technical demands.
  3. With advancements like nanopore technology, the future of protein sequencing could become more practical and efficient for researchers.

⤴⤵ Up Wing/Down Wing #30

Faster, Please! • 1188 implied HN points • 11 Jan 25
🕹 Technology AI Innovation Space Energy Health
  1. New advancements in nuclear fusion research are making it more likely to achieve clean energy from nuclear fusion, which could be a big step for sustainable energy.
  2. Uber and Lyft are shifting from developing self-driving cars to using other companies' technologies for driverless taxis, aiming to be platforms for this emerging market.
  3. AI technology is being used in innovative ways, like interpreting speech through throat vibrations, which can help people with speech difficulties.

The freeze

Robert Reich • 35928 implied HN points • 27 Jul 23
🇺🇸 U.S. Politics Public Figures Health Events
  1. Mitch McConnell froze during a news conference, highlighting the fragility of the human mind.
  2. Robert Reich shared a personal experience of freezing due to a petit mal seizure while giving a speech 35 years ago.
  3. The fear of losing control of one's mind can be a terrifying experience, emphasizing the vulnerability of all humans.

Old Man Yells at Cloud

Disaffected Newsletter • 599 implied HN points • 01 Sep 24
🇺🇸 U.S. Politics Politics Society Education Crime Health
  1. A new course is available for parents to help them understand and support their kids dealing with gender issues. This program is designed to help parents connect with their teens.
  2. There's a concern that crime and chaos are increasing in America, with reports of gangs taking over neighborhoods and alarming incidents happening daily.
  3. The discussion focuses on how society seems to honor youth while disregarding the wisdom of older generations, suggesting a shift in values that raises concerns.

Barcoding Brains

Asimov Press • 225 implied HN points • 09 Feb 25
🔬 Science Neuroscience Biotechnology Health Research Technology
  1. Connectomics is a method that maps connections in the brain, helping scientists understand how these connections affect our behavior and brain function. However, it's really slow and expensive to do.
  2. A non-profit called E11 Bio is developing new tools to make brain mapping faster and cheaper. They aim to create a complete map of a mouse's brain in just five years for a fraction of the current cost.
  3. Understanding the brain's connections can improve treatments for various brain diseases and potentially lead to advanced technologies like brain-computer interfaces. This could really change how we approach brain health and artificial intelligence.

The chemical reason that PFAS are "forever chemicals"

Trevor Klee’s Newsletter • 149 implied HN points • 16 Jun 25
🔬 Science Chemistry Biology Health Environmental Technology
  1. PFAS, or 'forever chemicals', are super strong substances that don't break down easily in our bodies. Once they get in, they can stick around for a long time, causing potential health issues.
  2. These chemicals are hard to get rid of because our bodies mistake them for fat, allowing them to be reabsorbed instead of eliminated. This reabsorption can lead to long-term interference with our health.
  3. NeutraOat might help reduce the impact of PFAS by trapping these chemicals and preventing them from being absorbed into the bloodstream. It could be an important tool in managing their harmful effects.

Axial Discovery - Epigenetic theory of aging

Discovery by Axial • 1 implied HN point • 06 Jul 25
🔬 Science Biology Genetics Aging Research Health
  1. Aging may happen because our cells lose important information about how to function properly over time. This loss makes them age and not work as well.
  2. Scientists have found that it might be possible to reverse this aging by resetting the 'instructions' in our cells. This could make old cells act young again.
  3. There are still big challenges to make this work safely in living beings. We need to figure out how to control the process so it doesn’t cause problems like uncontrolled cell growth.

These politically enthusiastic supplement fans do not exist

Conspirador Norteño • 44 implied HN points • 22 Feb 25
🇺🇸 U.S. Politics Social media Disinformation Health Consumer Rights Advertising
  1. Some social media accounts are fake and use AI-generated faces to push products, like weight loss supplements. They create the impression of being real people to promote their ads.
  2. These accounts often mimic authentic political personas, but they show signs of being inauthentic, like having repeated text or the same profile images. This raises questions about the trustworthiness of the content shared.
  3. A website linked to these ads uses fake reviews from AI-generated profiles, making it seem like people are satisfied customers when they're not real. This highlights the need to be careful about schemes like these online.

Head, heart, hands

Austin Kleon • 2537 implied HN points • 02 Jul 24
🎭️ Culture Art Community Health Education Creativity
  1. Our work should connect with our mind, heart, and hands. This balance helps us find fulfillment in what we do.
  2. The original idea of head, heart, and hands is powerful and reminds us of simplicity in our commitments.
  3. Health is seen as a result of taking care of our head, heart, and hands, emphasizing the importance of holistic well-being.

IPAKIANS UNITE! ALL-IPAK WEBINAR/CONFERENCE - "FIRELIGHT" - THIS SATURDAY 10/12 6PM - 10PM ET

Popular Rationalism • 158 implied HN points • 11 Oct 24
🚌 Education Learning Health Public Health Personal Development
  1. There's a webinar called 'Firelight' happening on October 12th from 6 PM to 10 PM ET. You can join either through a live audience on Zoom or watch it online.
  2. The event features various speakers who will discuss important topics around knowledge, critical thinking, and personal empowerment. It's aimed at those feeling disillusioned by traditional education.
  3. Attending could help you learn about holistic health, public health insights, and more, all while being part of a community that values truth and intellectual freedom.

It's All Hitting The Fan Now

OK Doomer • 236 implied HN points • 02 Feb 25
🇺🇸 U.S. Politics Government Health Economics Society Public Safety
  1. People are starting to feel uneasy about the state of the world, as many issues are becoming urgent and visible. It can be overwhelming to watch everything unfold.
  2. There's a growing sense of vindication among those who warned about these issues, but it still feels strange and not entirely satisfying. Many are wishing they had done more to prepare.
  3. It's important to take action and help others during these challenging times. Preparing for potential crises can make a difference and support your community.

"Family Abolition" and the COVID Pandemic

Igor’s Newsletter • 8903 implied HN points • 04 Feb 24
🎭️ Culture Family Media Health
  1. Influential thought leaders are advocating for "family abolition" to reshape societal relationships.
  2. The COVID-19 pandemic and vaccine promotions have contributed to the breakdown of many families.
  3. Efforts to mend broken family ties, especially due to COVID-19 vaccine differences, are essential to combat societal discord promoted by divisive media.

A Cozy Winter Storm of Recs & Links

Culture Study • 3411 implied HN points • 02 Feb 25
🎭️ Culture Food Literature Lifestyle Gossip Health
  1. Winter can bring beautiful but cold weather, which many might find refreshing compared to the usual grey skies. It can feel like a gift to experience clear days and chilly air.
  2. There's a cozy mix of recommendations in the post, including recipes, books, and fun insights into pop culture. These can offer enjoyment and distraction during tough times.
  3. It's important to check your email settings for newsletters, as sometimes they may not reach your inbox. This way, you won’t miss out on content you want to read.

i know i should fix my toe fungus, and yet

Both Are True • 152 implied HN points • 28 May 25
🏥 Health & Wellness Health Self-help Wellness Mental health Lifestyle
  1. People often ignore problems even when they know they should fix them. For example, toe fungus is not pleasant, yet it can take time to seek help.
  2. Sometimes we feel frustrated when family members try to help us with our issues, even if we really need it. It's a common reaction to feel defensive instead of accepting support.
  3. Procrastination can lead to ongoing issues that become more complicated. Making a plan and actually following through is key to overcoming challenges.

Thinking points, February 9, 2024

uTobian • 7311 implied HN points • 10 Feb 24
🇺🇸 U.S. Politics Health Government Society Media Policy
  1. Logic and reason are important and should not be banned, even if powerful entities try to suppress them.
  2. The biggest global risks in 2024 involve various organizations and entities that hold significant power and influence.
  3. Vaccines and the pharmaceutical industry are controversial topics, with strong opinions about their safety and impact.

The Case for 2 mSv/day. 2.0.

Gordian Knot News • 139 implied HN points • 04 Feb 25
🔬 Science Radiation Health Biology Environment Nuclear
  1. The historical dose limit for radiation exposure was set at 2 mSv per day, based on a time when no harmful effects were clearly detected. This suggests that at this level of exposure, there might not be significant health risks.
  2. Our body has a strong system for repairing DNA damage caused by radiation and natural processes. Most DNA issues are fixed quickly, which means low-level radiation may not lead to serious health problems.
  3. If we accept that 2 mSv per day is safe, it could change how we manage nuclear power. It may allow for safer operations and reduce unnecessary evacuations, ultimately making energy cheaper and more sustainable.

High-Throughput Chemistry and Engineering with Kadi Saar

Lever • 19 implied HN points • 24 Oct 24
🔬 Science Chemistry Biotechnology Engineering Research Health
  1. Kadi Saar has an impressive background in both chemistry and engineering. She excelled in academics and sports, even winning a talent show in mental arithmetic.
  2. Her research focuses on combining high-throughput structural biology with computational chemistry to help develop new drugs. She has shown that analyzing diverse ligand structures can lead to better drug design.
  3. Kadi emphasizes the importance of enjoying the people you work with when choosing projects. Collaborating with good people makes the journey more fulfilling.

Gene-environment interactions: ubiquitous yet undetectable

The Infinitesimal • 359 implied HN points • 21 Aug 24
🔬 Science Genetics Health Environment Statistics Evolution
  1. Gene-environment interactions (GxE) are common but hard to identify in humans. They show how genetic traits can change in different environments, affecting how we understand traits like obesity or education.
  2. There are different models to explain how genes and environments work together. Some models show that environments can amplify or change the effects of multiple genetic variants on traits.
  3. Research has found that environmental factors, like socioeconomic status or education quality, can significantly influence how genetic variations are expressed, meaning genetics alone doesn't tell the whole story about traits.