We turn the best new talks and interviews from the leading longevity scientists into clear, usable takeaways. This is the research backbone behind YoLongevity.
The pathway back isn't necessarily pain-free or injury-free. It's more of a trajectory that's going to get better.
If you walk in your corridor and there is a drop of blood there, you can tell what was the age of the person who lost that blood with a precision of plus or minus two years.
The brain is a hybrid car. So it's running on two fuels that are complementary.
It has been clearly shown that at the molecular level some of the effects of GLP-1s are independent of obesity.
Over 4 years of treatment, there was only 1 year of telomere shortening in the vitamin D randomized group, in comparison to the placebo group that had 4 years of telomere shortening.
If you have too many ways to measure something, that is a symptom that what you're measuring is not fundamental.
I tried it on myself, because nobody else was going to do anything. I didn't have a laboratory. I just had myself.
Knowledge is power in a case like that.
If you walk in your corridor and there is a drop of blood there, you can tell what was the age of the person who lost that blood with a precision of plus or minus two years.
The brain is a hybrid car. So it's running on two fuels that are complementary.
It has been clearly shown that at the molecular level some of the effects of GLP-1s are independent of obesity.
Over 4 years of treatment, there was only 1 year of telomere shortening in the vitamin D randomized group, in comparison to the placebo group that had 4 years of telomere shortening.
If you have too many ways to measure something, that is a symptom that what you're measuring is not fundamental.
I tried it on myself, because nobody else was going to do anything. I didn't have a laboratory. I just had myself.
We have no tool that allows us to directly measure biological age.
Memory is really a mental representation of the past, and by its very nature it's reconstructive.
When I see a scan on a patient, it tells me your past in one scan. And if we have an opportunity to get a second scan, then I can tell you what your future looks like.
45%, nearly half of all dementia cases worldwide can be prevented with specific modifiable factors, not genetic destiny, not bad luck.
I feel like I'm in the field now almost as if I was an infectious disease doctor practicing before and after penicillin was discovered.
The cancer cells, by definition, are refusing these orders to protect.
They're sick very little time at the end of their life, usually weeks.
To some degree, insulin resistance is a common root cause for most chronic diseases.
Women at age 52, their gas tank is empty. Perimenopause is this time where it's very erratic — the tank is over full and then it goes to empty really quickly without warning.
RNA tells you what is the function of a cell, not what is the potential.
Sometimes it's like 1% science and then 99% hype — there's almost nothing to back it up in some of these cases.
Rapamycin is our best shot on goal if we want to pick a single drug to look at in the context of biological aging in humans.
Protein restriction extends lifespan in laboratory mice, and FGF21 is required for this lifespan extension.
Every time that one engages in the compulsion related to the obsession, the obsession simply becomes stronger.
What we can see with our ancestors is that they are eating a range that is not just meat, but there's also plant foods, grasses, sedges.
The brain only has so many ways of saying ouch. And so when it's inflamed, you don't feel it.
It wasn't the science that was hard. It's what the science had to survive.
The rumination, the self-criticism, the inability to be present, these are not personality traits. They are a network malfunction.
It's the most effective longevity drug that we have today. It has been for the past 15 years.
Diabetes is a symptom. High cholesterol is a symptom. Smoking is a habit.
If we didn't produce lactate, the muscles would not be able to function.
The red light therapy market is full of bold claims and easy answers, but the actual clinical literature is incredibly nuanced.
It doesn't have to be fancy. It just has to be compliant and safe and rigorous.
Not all calories are created equal? That's not true, because a calorie is just a unit of measurement. That would be like saying not all seconds on a clock are created equal.
Green leafy vegetables plus a healthy oral microbiome are what are going to protect your heart and keep your heart healthy.
Nothing looks more beautiful in your 50s than sun protection in your 20s.
7 years of 700 cholesterol without coronary atherosclerosis. And the patient in the case report was you.
Say there's 20 papers. I'd say there's probably five to six of them that are positive and the rest of them are null.
The irritable bowel causes the irritable brain, not the other way around.
The shorter your sleep, the shorter your life. Short sleep predicts all-cause mortality.
Low omega-3 is like smoking when it comes to at least our overall life expectancy.
We already have a cure for cancer. It's early detection.
They had a 13% increase in muscle mass. People should realize how much potential they have in their brains.
People are now stacking their GLP-1 as their insulin sensitivity tool, their growth hormone, and their androgen modulation therapies as this trinity stack to get very fit, very healthy quickly.
Everybody should get an AMH test. I think it's a very important marker. If you are listening to this and you want kids one day, ask your doctor for this test.
Your cholesterol level is seven times less important than your age.
The brain holds on to cholesterol like the bank holds on to its gold in the vault.
It's like putting a 1,000 horsepower F1 engine into a golf cart—you just have the machinery, but you can't go further.
Those three genes reset the age of cells — including nerves — by about 75% and then stop. They don't go more than that, which is good. We don't want to go back to zero.
Regular acquaintance is not nearly so dramatic. The more that people spend time together getting to know each other, it reduces those market forces that give the desirable people all the advantages.
You have sympathetic activation, which is your fight or flight, your nervous system being activated. You have mitochondrial dysfunction. The challenge is anytime you try to down regulate your nervous system, it actually might make you feel like you're crashing.
If you know the name of your disease, it doesn't mean you know what's wrong with you.
No, I need my colon.
The methylation estimate is actually a better predictor of your mortality risk — far better than the plasma measure.
Eat less often... if there's one thing you can suggest to live a long life, what would it be? And my answer is eat less often.
The pathway back isn't necessarily pain-free or injury-free. It's more of a trajectory that's going to get better.
About 70% of the immune system is in and around the gut.
You got hurt while doing something active, but you were hurt because you were probably doing something your body wasn't quite prepared to do.
The sprint intervals plus the weight lifting is what's going to transform your body.
Cartilage is the end cap, like a bumper, of every bone.
The most important food element for brain function is fat.
The biggest correlation seems to be with strength, which is a function of muscle mass.
If you are in the lower 25 percentile of VO2 max, you are twice as likely to be ill.
You want to kind of rack up the hours of low intensity physical activity and then intersperse it with this high-intensity exercise.
Creatine alone without resistance training does not build muscle.
When it comes to set two, three and four, that's where creatine really comes to the rescue.
Sleep is not something that you do. Sleep is something that happens to you when the situation allows for it.
You can build a great body on six exercises. Literally, the row, squat, deadlift, bench, pull-up, curl, done.
Recommended almost sounds like optimal — I think people confuse that with the optimal amount of protein.
Maybe it's not that we're over fat — it's that we're under muscled.
The research we have now really shows you can be a couple reps or three short of failure and still get roughly the same amount of muscle growth.
The period length of the sleep rhythm on average is 24.2 hours.
If one's main goal is simply to lose weight, then it really does not matter what one eats, provided that the number of calories burned is higher than the number of calories ingested.
Nothing associates more with mortality than age.
When a brand new car comes off the assembly line, you do a full diagnostic workup — and I think we should do the same thing with humans.
The aging phenotype is low HRV and also low resting heart rate.
It's very clear to me in 2007 that I'm on track to become probably bedridden by my illness, probably demented by my illness, and probably dying with intractable horrific electrical face pain.
Longevity ultimately is being able to maintain function as you age, because it's not the number of years but the quality of the years.
In November 2025, the FDA removed the black box warning for hormones.
Overnight I think 50 million women stopped hormones which created a catastrophe in this country.
When breast cancer is caught at stage 1, the 10-year survival is over 96%. By stage 4, 5-year survival is only around 30%.
The healthy brain becomes a metabolically stressed brain. And most people fall into the stressed environment — and that's where creatine comes to the rescue.
Almost all the stuff you know with exercise and nutrition has been based on male data and generalized to women. And I don't find that appropriate.
I want women to stop being losers — to stop trying to lose all the time — and instead focus on what they have to gain.
Knowledge is power in a case like that.
The problem with traditional blood work is that it's only useful for diagnosing bad problems. There's very little there predicting if you're going to head towards a chronic disease.
This idea that if you live a healthy lifestyle, everything's going to be hunky-dory and nothing's ever going to go wrong — that's just not the way it works in the real world.
For the same unit increase in ApoB you get a certain risk increase from LDL, but you get roughly a three or fourfold higher risk increase if you change remnant particle number by the same amount.
Do not get 9,000 biomarkers tested.
Did you know that we peak out on our bone density at 30?
If someone were to change from a typical western diet to this optimal diet, say at the age of 20, you'd be looking at about a decade gained.
Are we really listening to the science, or are we only interested in purveying the preconceived narrative?
Every single one of us knows what we do. Some of us know how we do it, but very few of us can clearly articulate why we do what we do.
It's not what you're surrounded with — it's what you are connected to.
Her pull-up record right now is zero. So even if she just performs one pull-up as an 80-year-old woman, the record is hers.
This part of the brain called the hippocampus, that is really key to learning and memory, had an increase in volume just because they were having yogurt.
Snacking itself is not bad for you. It's about what you snack on.
They carry the chemical. The chemical is piggybacked on the little particle, and then they invade the cells.
We are built with the DNA for joy. It is literally encoded in our DNA.
Can you honestly look in the mirror and say I add surplus value? I create more tax revenue and jobs than I absorb, I listen to more people complain than I complain, I love more people than love me.
I call dreams emotional metabolism. When you're dreaming you're actually working through your emotional states that you had during the daytime.
Higher intakes of fiber were associated with more deep sleep, higher intakes of saturated fat, less deep sleep, and more refined carbohydrates, simple sugars — more arousals.
If we can get people to think about their whys, the purposes behind their decisions, the broader purposes behind their what they're doing, they're much more likely to be able to overcome the temptation.
There's far more going right in any of us, in all of us, than there is going wrong if we're here.
I have no control over what happens to me in my life, but I have absolute and complete and total control over how I respond to it.
Awe is good for reduced inflammation, elevated vagal tone, reduced long COVID symptoms. People with long COVID—just a minute of awe a day reduces long COVID symptoms.
It's because you change your beliefs about what other people are like.
I am filled with rage because people are limiting their ability to have great sex, great relationships, and great health because they aren't having access to all the information that they could.
Pain is a request for change.
If we take infertility not just as a disease or a problem and we treat it also as a symptom — that it's a representation of your underlying health — that really allows people the opportunity to change their life.
A lot of people think emotion regulation is getting rid of a feeling. It's not what it is. It's just having another relationship to it.
You should use discipline as a scaffolding, as a way to get things going. But inside the process, you must make sure you don't lean hard into it — you bring some playfulness, some relaxation, some deep choice.
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