The hottest Genetics Substack posts right now

And their main takeaways
Category
Top Health & Wellness Topics

Brains, Mammals, and the Brains of Mammals

Natural Selections • 6 implied HN points • 05 Mar 24
🔬 Science Genetics
  1. Our ancestors were successful in evolution, leading to our existence today. Every single one of us is part of a long line of evolutionary success.
  2. Mammals have evolved unique traits such as mammary glands, four-chambered hearts, and specialized teeth, making them distinct from other species.
  3. The mammalian brain has evolved to be large, well-connected, and specialized, with a balance between autonomy and integration, as shown in the structures like the forebrain and the corpus callosum.

Infolife

Engineering Our Social Vehicles • 8 implied HN points • 02 Apr 23
🔬 Science Genetics
  1. Imagining a world where information has physical form.
  2. Infolife exists in different environments on the Infoplane mirroring different mediums of storage and communication in the physical world.
  3. Translation into new informational mediums may represent adaptation or development of information into new species on the Infoplane.

Issue 11: Nuclear sandboxes

The Works in Progress Newsletter • 7 implied HN points • 23 May 23
🔬 Science Genetics
  1. Olivine weathering can be used to absorb carbon from the sea and reverse climate change.
  2. Nuclear power is safer and essentially zero-carbon, but regulations make it unaffordable.
  3. Transit-oriented development around metropolitan areas could provide a solution to housing shortages.

010: How to Know if Your Genetics Contribute to Your Sensitivity to Blue Light and Poor Sleep, and What to Do About it

Harnessing the Power of Nutrients • 39 implied HN points • 20 May 16
🏥 Health & Wellness Genetics
  1. You can determine if your genetics contribute to sensitivity to blue light and poor sleep by looking at variations in the melanopsin gene.
  2. Understanding your genetics can help you optimize your light exposure and improve your sleep and alertness.
  3. Tools like f.lux, blue-blocking glasses, and specific light bulbs can assist in creating a sleep-friendly environment based on your genetic sensitivity to light.

Genetics and Cholesterol: How the APOE4 Gene Impacts Your Longe-Term Health

Neuro Athletics • 3 implied HN points • 04 Mar 24
🏥 Health & Wellness Genetics
  1. The APOE4 gene can significantly impact your health by influencing cholesterol levels, where having certain combinations can increase the risk of heart disease and Alzheimer's.
  2. The APOE4 variant of the APOE gene accelerates cholesterol metabolism, leading to higher LDL cholesterol levels and increasing the risk of cardiovascular disease.
  3. Genetic testing for APOE variants can provide valuable insights for personalized health strategies, showing that genetics are risk factors and not definitive destinies.
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038: Are We All Evolved to Eat High Protein?

Harnessing the Power of Nutrients • 19 implied HN points • 04 Oct 17
🏥 Health & Wellness Genetics
  1. Excessive protein intake can be harmful, especially for individuals with rare genetic disorders affecting the breakdown of proteins.
  2. Consuming 4-5 times the recommended daily allowance of protein in athletic populations does not show negative effects.
  3. Understanding rare metabolic conditions related to protein metabolism can provide valuable insights for general health and wellness.

Prisoners of our genes or masters of our destiny?

Klement on Investing • 2 implied HN points • 16 Feb 24
🔬 Science Genetics
  1. Our risk and time preferences are influenced by a mix of genetics and environment, with the unique environment playing a significant role.
  2. Despite genetic influences, the most crucial factor driving our preferences and decisions is our unique life experiences and choices.
  3. We have the power to shape our destiny regardless of genetic predispositions or shared environments. What we make of our lives is ultimately up to us.

019: The Evolution of Diverse Vitamin D Requirements

Harnessing the Power of Nutrients • 19 implied HN points • 09 Aug 16
🏥 Health & Wellness Genetics
  1. Vitamin D requirements can vary among different racial groups due to genetic factors unrelated to skin color.
  2. Individual differences are crucial in understanding vitamin D needs, so it's important to move beyond general racial categories.
  3. Genetic variation and factors like calcium intake play a role in determining levels of 25(OH)D, calcitriol, and PTH in different populations.

012: What Is Measuring Our Hba1c REALLY Telling Us About Our Blood Glucose and Diabetes Risk?

Harnessing the Power of Nutrients • 19 implied HN points • 07 Jun 16
🏥 Health & Wellness Genetics
  1. Hba1c is a useful test, but it has limitations due to factors like red blood cell turnover and variations in deglycating enzymes; it should be used in conjunction with other information for a complete understanding.
  2. Higher levels of the deglycating enzyme FN3K coupled with lower downstream metabolism of 3-deoxyglucosone can lead to lower Hba1c, which might not accurately reflect glycation levels.
  3. Insulin signaling and consumption of polyphenol-rich fruits and vegetables may help protect against the accumulation of harmful substances like 3-deoxyglucosone, which contribute to diabetes complications.

The New Genetics — Part III: Genes Don’t Express Themselves

Harnessing the Power of Nutrients • 19 implied HN points • 16 Feb 11
🔬 Science Genetics
  1. Genes by themselves are inactive; it's the cells that activate genes and express them.
  2. A complex process involving multiple proteins is needed for a cell to make a functional protein from a gene.
  3. Cells have intricate mechanisms to adjust gene expression based on their needs and the environment, highlighting the complexity of genetic regulation.

Meeting the Choline Requirement — Eggs, Organs, and the Wheat Paradox

Harnessing the Power of Nutrients • 19 implied HN points • 04 Dec 10
🏥 Health & Wellness Genetics
  1. The key sources of choline in our diet are organ meats, particularly liver, and eggs, with significantly higher choline content compared to most vegetables and other foods.
  2. Determining the exact choline requirement is complex due to factors like genetic variations, interactions with other vitamins like folate and B12, and dependency on energy sources like sugar, alcohol, and fat.
  3. Wheat and spinach are notable sources of betaine, which can contribute to choline needs and may help resolve paradoxes in dietary studies, suggesting its importance in balancing nutrient intake.

A tale of twin sisters

De Novo • 1 HN point • 04 Jun 23
🔬 Science Genetics
  1. Identical twins with discordant fertility levels can mystify medical experts.
  2. Monoamniotic twinning can lead to uneven distribution of primordial germ cells between twins.
  3. Ovarian tissue transplant from a fertile twin can restore fertility in an infertile twin.

Do Blockages In Coronary Arteries Really Cause Heart Attacks?

Harnessing the Power of Nutrients • 0 implied HN points • 23 Mar 09
🏥 Health & Wellness Genetics
  1. Dr. Tom Cowan argues that heart attacks cause blockages in coronary arteries, not the other way around, attributing heart attacks to a buildup of lactic acid in heart muscle.
  2. Genetic evidence indicates that LDL receptor activity significantly influences the risk of heart attacks, with low activity leading to early heart attacks and high activity almost guaranteeing freedom from heart attacks.
  3. The concentration of oxidized LDL in the blood, derived from dietary vegetable oils, plays a key role in atherosclerotic plaque formation, foam cell generation, and eventually heart disease risk.

Is Dietary Cholesterol an Essential Nutrient?

Harnessing the Power of Nutrients • 0 implied HN points • 29 Dec 08
🏥 Health & Wellness Genetics
  1. Certain individuals, such as those with Smith-Lemli-Opitz syndrome (SLOS), may require dietary cholesterol as an essential nutrient for their health.
  2. Individuals who carry the SLOS gene may be more susceptible to aggressive and self-injurious behaviors, making dietary cholesterol crucial for managing such behaviors.
  3. Dietary cholesterol has been shown to improve various health aspects in individuals with clinical SLOS, such as hyperactivity, attention span, and resistance to infection.

Foods High in Cholesterol Could Save Your Health!

Harnessing the Power of Nutrients • 0 implied HN points • 29 Dec 08
🏥 Health & Wellness Genetics
  1. Foods high in cholesterol might not negatively impact blood cholesterol levels for most people, and can even be essential for a small percentage of the population.
  2. Polyunsaturated fatty acids (PUFA) from vegetable oils might not be as beneficial as once thought, and the need for PUFA in the diet could actually be minimal.
  3. Cholesterol-rich foods are crucial for obtaining nutrients like arachidonic acid, essential for growth and health, and can play a vital role in certain genetic conditions and mental health.

Myth: Cholesterol Causes Alzheimer's Disease Part II: The Real Causes of Alzheimer's Disease

Harnessing the Power of Nutrients • 0 implied HN points • 14 Sep 08
🏥 Health & Wellness Genetics
  1. Cholesterol is not the cause of Alzheimer's disease, despite a popular myth.
  2. Alzheimer's disease has multiple contributing factors including genetics, DHA depletion, insulin resistance, and oxidation.
  3. Consuming a diet rich in traditional whole foods, low in vegetable oils and excessive carbohydrates, and including sources of DHA can help protect against Alzheimer's.

A Crash Course in Lipoproteins

Harnessing the Power of Nutrients • 0 implied HN points • 26 Aug 08
🏥 Health & Wellness Genetics
  1. Cholesterol is carried in lipoproteins, like a bus carrying fats, cholesterol, and fat-soluble vitamins.
  2. There are different types of lipoproteins besides HDL and LDL, such as chylomicrons, VLDL, IDL, and Lp(a).
  3. The LDL receptor plays a crucial role in heart disease, with mutations affecting its functioning linked to increased risk, while a well-functioning receptor can significantly reduce heart disease risk.

When Our Digital World Fades, Will We Too?

The Digital Anthropologist • 0 implied HN points • 16 Feb 24
🕹 Technology Genetics
  1. Stone and paper may endure longer than digital storage. Our digital memories are fragile and could be lost in the future.
  2. Our current Digital Age might leave a gap in history for future historians and archaeologists to wonder about.
  3. Technological advancements may lead to storing information in DNA, potentially changing how future generations understand humanity.

Debunking Race “Science”

Space chimp life • 0 implied HN points • 29 Jan 24
🔬 Science Genetics
  1. Heritability and genetics are often confused. While some studies suggest certain traits are 50-60% heritable, this doesn't mean they're purely genetic, as environment plays a big role too.
  2. Twin studies, commonly used to support race 'science', have flaws because they often fail to isolate the twins' environments correctly, leading to misleading conclusions about heritability.
  3. Understanding intelligence requires looking at how the brain interacts with the environment, rather than just focusing on race or IQ numbers. The brain learns from experiences, showing its flexibility and adaptability across cultures.

[in case you missed it] Data Science Weekly - Issue 309

Data Science Weekly Newsletter • 0 implied HN points • 26 Oct 19
🕹 Technology Genetics
  1. A new gene editing method called prime editing has been developed, making changes to DNA easier and more accurate.
  2. Teaching rats to drive small cars has shown that learning complex tasks can help reduce stress and improve mental abilities in these animals.
  3. Researchers are making strides in quantum computing, claiming they have achieved a significant milestone that proves a programmable quantum computer can perform useful tasks.

Quacking the Code: Bridging the Animal-Human Divide

Nano Thoughts • 0 implied HN points • 04 Apr 24
🔬 Science Genetics
  1. Transfer learning allows computers to use knowledge from one area to help in another. This approach helps in drug development by applying what we've learned from studying animals to predict how those drugs might affect humans.
  2. Gene reactomes help us compare how genes respond to drugs across different species. This means we can identify which genes may act similarly in humans and animals, leading to safer drug development.
  3. The Universal Gene Embedding framework acts like a translator for genetic information. It allows scientists to understand gene functions across species, making it easier to predict how drugs will work in humans based on animal studies.

The PacBio Vega Chips

ASeq Newsletter • 0 implied HN points • 12 Nov 24
🕹 Technology Genetics
  1. The PacBio Vega Chips are similar to the Revio chips, but they provide much less data. This means they might not be as powerful for certain tasks.
  2. The data from the Vega chips is available for analysis, and people can check it out for deeper understanding.
  3. This information is part of a subscription service, which means you can get more insights if you become a paid member.

All Aboard The NanoTrain! Chu Chu!

ASeq Newsletter • 0 implied HN points • 31 Oct 24
🔬 Science Genetics
  1. Universal Sequencing Technology is gaining attention again after being quiet for a while. People are curious about their progress and what they are focusing on now.
  2. They seem to have shifted their focus from single molecule sequencing to developing various sample preparation kits. This shows they are adapting to changes in the field.
  3. This update may be particularly interesting for those who follow advancements in sequencing technology and want to know about new tools or methods in the industry.

The Hidden Heroes of the Genome

Nano Thoughts • 0 implied HN points • 18 Dec 24
🔬 Science Genetics
  1. Long non-coding RNAs (lncRNAs) were once thought to be useless 'junk DNA,' but they actually play important roles in regulating our genes and maintaining cellular stability.
  2. Recent advancements in lncRNA research are leading to better cancer diagnostics and new treatments, showing their potential as key players in medicine.
  3. The study of lncRNAs challenges our old views of genetics and shows that biological systems are much more complex and interconnected than we previously thought.

Roche Nanopore: Instrument Cost

ASeq Newsletter • 0 implied HN points • 27 Feb 25
🔬 Science Genetics
  1. Roche is working on new nanopore sequencing technology, focusing on how much the instruments will cost to produce. Understanding these costs is important for the technology's success.
  2. The nanopore sequencing process involves collecting a large amount of data quickly, which means the data rates are extremely high. This could lead to challenges in storing and processing such vast amounts of information.
  3. Since the raw data volume is so large, it's unlikely that most users will store it all. Instead, they will probably need to focus on analyzing only the most crucial information collected.

The Business of De-Extinction: Can it Save Species or Will it Fail?

Adetokunbo Sees • 0 implied HN points • 09 Aug 25
🔬 Science Genetics
  1. De-extinction is a hot topic and some companies are getting a lot of money for it, like Colossal Biosciences, which is valued at over ten billion dollars. This shows that there is interest in trying to save endangered species.
  2. Every year, many species are going extinct, with estimates saying between 10,000 and 100,000 species each year. This mass extinction has huge impacts on our economy and environment.
  3. While de-extinction is an exciting idea, stopping climate change and reducing fossil fuel use is a more effective way to save the most species and the planet overall.

Questions

ExpandAI Newsletter • 0 implied HN points • 02 Jul 23
🔬 Science Genetics
  1. Questions raised about the big bang and gene editing
  2. Exploration of nanotech medicine and human-machine merger
  3. Curiosity about time travel, superintelligence, and communication with other species

Wednesday Curiosity Links

Grist Potentia • 0 implied HN points • 07 Feb 24
🔬 Science Genetics
  1. Today in history, G. H. Hardy was born - a famous mathematician known for his work in number theory.
  2. Genes may not be the complete blueprint for life as previously thought.
  3. Noise pollution is a significant environmental concern that needs attention.

Links #2

Splitting Infinity • 0 implied HN points • 18 Aug 23
🔬 Science Genetics
  1. Proximity to friends can enhance happiness; a startup is aiding in buying houses near friends for this reason.
  2. People tend to use tools to act more rationally, shown by the study on people's behavior and commitment systems.
  3. Generosity exists even with high financial stakes; many spend significant amounts on others and charities when given money.

Sometimes it’s Better to React with No Reaction

Are You Okay? • 0 implied HN points • 15 Jun 20
🏥 Health & Wellness Genetics
  1. Genetic factors, like blood type, may influence COVID-19 severity, but knowing your blood type doesn't change how you behave. It's just a piece of the larger puzzle.
  2. Seek information that can actually impact your actions, such as COVID-19 case rates or personal health data, and adjust your behavior accordingly.
  3. Human nature drives us to seek control by grasping onto knowable information, but focusing on actionable insights is key to navigating uncertainty.

Your partner isn't a narcissist

Penelope Trunk's Substack • 0 implied HN points • 30 Sep 22
🏥 Health & Wellness Genetics
  1. The idea that a partner might be perceived as a narcissist could actually be a misinterpretation of autism traits.
  2. Autism and narcissism can share certain characteristics, like difficulty in understanding other people's feelings and a focus on oneself.
  3. It's common for people with autism to attract and be attracted to others with autism, which can lead to challenges and misunderstandings in relationships.

Your Body is Not "Attacking Itself"

Christian Bonanno • 0 implied HN points • 11 Jun 24
🏥 Health & Wellness Genetics
  1. Autoimmune disorders may not be the body attacking itself, but a protective response to certain conditions.
  2. High levels of hydrogen peroxide (H2O2) might be a key factor in autoimmune thyroiditis (AT), and reducing H2O2 levels could potentially cure it.
  3. Genetic defects in enzymes like GPX1 can lead to higher AT risk, and boosting enzyme activity with nutrients like selenium may offer a solution.

The Latest Vitamin D and COVID-19 Study

Harnessing the Power of Nutrients • 0 implied HN points • 30 Aug 20
🏥 Health & Wellness Genetics
  1. Genetics play only a small role in determining vitamin D status, which complicates studying its association with COVID-19.
  2. A recent study suggests that higher vitamin D levels are linked to lower COVID-19 infection risk, especially with sufficient exposure to UVB light.
  3. While certain genes may impact vitamin D levels more in high-UVB conditions, overall, the evidence for a direct causal link between vitamin D and COVID-19 is still weak.

The New Genetics — Part V: Is the Intestinal Microbiome Part of Our Genome?

Harnessing the Power of Nutrients • 0 implied HN points • 18 Apr 11
🔬 Science Genetics
  1. Intestinal microbes contribute to our phenotype and are inherited from one generation to the next, challenging assumptions about genetic inheritance.
  2. The co-evolution of humans and their gut flora is vital to consider when discussing human evolution.
  3. Fixing metabolic issues may involve normalizing gut flora, highlighting the importance of a comprehensive health approach.

Genes, LDL-Cholesterol Levels, and the Central Role of LDL Receptor Activity In Heart Disease

Harnessing the Power of Nutrients • 0 implied HN points • 14 Mar 11
🏥 Health & Wellness Genetics
  1. High levels of LDL-cholesterol are not the sole cause of heart disease; it is the oxidative destruction of LDL particles, not the cholesterol concentration, that plays a central role.
  2. Genetic mutations affecting LDL receptor activity reveal that poor activity increases the risk of heart disease, while greater activity decreases the risk significantly.
  3. Blood lipid levels, although not determinants, can indicate metabolic issues related to LDL receptor function and should not be ignored as they provide essential clues about heart disease risk.

What Can Familial Hypercholesterolemia Mortality In the 19th Century Teach Us About Genetics?

Harnessing the Power of Nutrients • 0 implied HN points • 12 Mar 11
🔬 Science Genetics
  1. Genetic studies may overestimate the impact of genetics and underestimate the role of the environment when the environment is uniform.
  2. Naming genes based on a singular observed trait, like associating a gene with a mortality risk, can be misleading and oversimplifies their functions.
  3. An allele's effects can be context-dependent, influenced by changing environments, making it challenging to accurately assess genetic impact with insufficient environmental variation.

What Can Modern Toxicology Tell Us About Food Toxins and Food Intolerances?

Harnessing the Power of Nutrients • 0 implied HN points • 30 Dec 10
🏥 Health & Wellness Genetics
  1. Modern toxicology distinguishes between intrinsic and idiosyncratic adverse reactions to drugs, showing how some drugs are toxic in high doses for everyone, while others like acetaminophen can become toxic based on individual susceptibility.
  2. Food toxicities and intolerances also involve intrinsic toxicity of foods and individual susceptibility factors like nutritional status, intestinal flora, genes, and immunological reactions.
  3. Factors affecting food toxicity include proper food preparation, genetic variations, intestinal flora, nutrient status, and immunological responses - all of which impact the toxicity of various foods.