Barking Up The Wrong Tree August 23rd, 2021 ---------------------------------------------------------------
Before we commence with the festivities, I wanted to thank everyone for helping my first book become a Wall Street Journal bestseller! To check it out, click [here](. --------------------------------------------------------------- This Is How To Have A Long Awesome Life: 5 Secrets From Research ([Click here]( to read on the blog) Head out to the Inyo National Forest in California and youâll see plenty of bristlecone pine trees. Thereâs one in particular worth noting. Itâs aptly named â[Methuselah]( As of 2021, that tree is at least 4,853 years old. Methuselah was there when woolly mammoths were still wandering around. It calls the Egyptian pyramids âyoungsters.â And when the Institute of Forest Genetics tested Methuselah and its family, looking for signs of cellular aging -- they didnât find any. These trees do not age. Is there something magical in that soil? Nope, quite the opposite. Bristlecone pines grow in pretty darn awful conditions. (Hint: remember that for later.) For most of our existence, humans averaged 30-35 years of life. Iâd already be long dead. But thatâs an average, mostly due to childhood mortality rates upward of 30%. For most of our time on this planet there wasnât much health care and, frankly, not much health. We started turning that around in a big way starting in the 19th century. Better hygiene, public health initiatives like sewers, vaccines, and improved nutrition literally saved billions of lives. From [Ageless]( The maximum global life expectancy has increased by three months every year since 1840, with clockwork regularity. Even better, the trend shows no sign of abating⦠A 20-year-old today has better odds of having a living grandmother than a 20-year-old in the 1800s did of having a living mother.
Things are much better for us now, thanks to science. (Things are better for me now than they were an hour ago, thanks to coffee and ibuprofen.) Life expectancy is over 60 for 99% of countries on the planet and if things keep progressing as they have, half of kids born in the United States today will live to be 104. But weâve increased longevity without ever treating aging directly. Weâve reduced mortality but not morbidity. Itâs Whac-A-Mole medicine; addressing the symptoms -- but not the underlying problem -- of aging. And many scientists now believe aging is the real disease. Cancer, heart disease, Alzheimerâs â theyâre all just symptoms. Smoking quintuples your chance of getting cancer. Meanwhile, being 50 increases your chance of cancer by a factor of 100. At age 70, itâs a factor of 1000. Overall, your risk of dying of something doubles every eight years. If we really want to live long, better lives, we need to stop addressing the symptoms of aging and treat aging directly. Well, finding new readers for my blog is hard, so Iâd prefer you live longer. Time to get some solid answers. Iâve performed my usual full cavity search on the science and drew from a smorgasbord of different sources. The primary one is â[Lifespan]( by Harvard Medical School professor David Sinclair but weâll also pull useful bits from [Ageless]( [Extra Life]( [Successful Aging]( [Happiness Is A Choice You Make]( [Live Long Die Short]( and [Better With Age](. Weâre not only going to see what it takes to increase your lifespan, but also your âhealthspanâ so we can live long and live well. Iâm not saying youâre going to understand Snapchat by the time weâre done but thereâs a lot we can do to feel young again. Okay, Benjamin Button, letâs get to it... Fountain of Youth 101 Aging is caused by DNA damage. You have literally trillions of breaks in your cellular DNA every day. Thatâs impossible to avoid. If your body didnât divert energy to repair this damage you wouldnât be around very long. Luckily, you have a DNA ârepair circuit.â Hereâs the problem: your body always has to choose between reproduction and repair. The construction crew or the cleaning crew. Central here is âmTORâ, which is the master driver of cell growth. When mTOR is active itâs time to grow; when itâs turned off itâs time to repair. You donât clean up when the party is raging; you clean up when the party is over. Remember Methusaleh? The tree? Yup, it doesnât live in the land of plenty. It sprouts up in the most awful terrain for trees. And that stress tells it to hunker down and focus on survival. Most everything that increases longevity works off this principle. When our bodies are stressed and resource deprived, when the party is over, itâs time to get conservative and switch on the repair circuit. And this is why most things that increase longevity, frankly, arenât a lot of fun. Yeesh. (To learn more about how you can lead a successful life, check out my bestselling book [here]( Well, if âignorance is blissâ then perhaps âknowledge is awful.â I regret to inform you that the most powerful piece of longevity advice, well, youâre not going to like it... Eat Less Often Hey, donât blame me! This is straight from Harvardâs [David Sinclair]( After twenty-five years of researching aging and having read thousands of scientific papers, if there is one piece of advice I can offer, one surefire way to stay healthy longer, one thing you can do to maximize your lifespan right now, itâs this: eat less often.
Yes, I can hear you sobbing across the internet. I am well aware that pizza and tacos are what make life worth living but even if you ignore reality, reality wonât ignore you. Calorie restriction (without malnutrition) extends life in almost every organism studied. Thereâs over 80 years of data to back this up. And it doesnât just make us live longer, it also makes us live younger, increasing health markers across the board. A study at Duke took 145 people and asked them to cut calories to 25% below what would normally be considered âhealthyâ for them for two years. Sound awful? It must have been because the study subjects didnât do it. In fact, when the two years was up, theyâd only cut calories by 12% on average. But guess what? It still had noticeable effects. From [Lifespan]( Even that was enough, however, for the scientists to see a significant improvement in health and a slowdown in biological aging based on changes in blood biomarkers.
So how can we get some of the benefits with less of the suffering? The research points to some variation on occasional fasting. Look at the âBlue Zonesâ â the areas of the world with the longest-lived people â and you see that fasting practices are often part of the culture. From [Ageless]( âIntermittent fasting,â recently popularized as the â5:2 diet,â involves eating far less, or perhaps nothing at all, for a day in every few. The 5:2 diet, for example, suggests cutting back to 600 calories on two non-consecutive days in a week, and eating normally on the other five. âAlternate-day fastingâ goes a little further and requires low or zero eating every other day. âPeriodic fastingâ means not eating for five-plus days in a row, anywhere from once a month to annually. Finally, âtime-restricted feedingâ confines eating to a window typically ranging from 6 to 12 hours a day.
Missing a meal is a habit most of us engage in every other decade or so, but simply skipping breakfast and not eating after dinner looks to be a good way to live a bit longer without undue suffering. Then thereâs the question of what to eat. Itâs not a stretch to say that the typical Western diet could use an exorcism. Nutrition is a tricky subject and thereâs probably no perfect diet for everyone, but we see a consistent pattern in those places that produce the most centenarians: more veggies and whole grains, less meat, dairy and sugar. (To learn the #1 ritual you need to do every day, click [here]( You may be wondering: If I exercise a ton, can I still eat a lot and live longer? Err, probably not. Rats given high calories and high exercise saw minimal longevity benefits. Some level of hunger seems necessary to stress the mTOR system. Hunger plus exercise works great, however. Ugh. So whatâs the deal with exercise when it comes to longevity? Exercise Again, David Sinclair is quite direct: âexercise turns on the genes to make us young again at a cellular level.â And the results are dramatic. From [The Comfort Crisis]( Research suggests that smoking takes 10 years off a personâs life, while the combined effects of being unfit may take as many as 23.
Good news is that it doesnât take a lot to see big benefits. From [Lifespan]( One recent study found that those who ran four to five miles a weekâfor most people, thatâs an amount of exercise that can be done in less than 15 minutes per dayâreduce their chance of death from a heart attack by 40 percent and all-cause mortality by 45 percent.
And you donât have to run. Multiple studies show regular long walks can really help. Just improving diet and exercise can take you a quite a way toward the centenarian club. From [Ageless]( One study looking at 100,000 health professionals in the U.S. gave them a score based on five healthy behaviors (not smoking, a healthy bodyweight, not drinking too much, regular exercise and eating well), and found that those who ticked four or five boxes at age 50 could expect to live ten years longer, both in total and in years spent in good health, than those who didnât tick any.
(To learn how to be happier without really trying, click [here]( Okay, starving and exercising can be a tough pill to swallow. Whatâs an easier pill to swallow? Well, pills. Is there a pharmaceutical fountain of youth out there? Longer Living Through Chemistry Itâs still early days when it comes to longevity pills. Rapamycin is the big drug that holds a lot of potential. It works like calorie restriction but without the restriction part â it tricks your body into thinking there are fewer nutrients available and flips the repair switch. Problem is it can negatively affect immune system function, so itâs still a work in progress. And youâve probably heard about Resveratrol. Yeah, thatâs the one in wine. (Guess when grapes produce it best? Yup, when theyâre under stress.) Problem is itâs not very potent. To get enough of it from drinking youâd have to consume a quantity that would make your liver explode. So, for now, like Rapamycin, itâs a bit of a dead end. What does work? Thatâs Metformin. Itâs cheap, safe, approved by the FDA and has shown some impressive benefits. From [Lifespan]( A study of more than 41,000 metformin users between the ages of 68 and 81 concluded that metformin reduced the likelihood of dementia, cardiovascular disease, cancer, frailty, and depression, and not by a small amount.
The above does not constitute medical advice, yadda yadda. Iâm flattered if you trust me but the above still falls under the category of âsome guy on the internet said it works.â Do your homework, talk to your doctor, and please donât blindly believe everything you read â even if I wrote it. (To learn the two-word morning ritual that will make you happy all day, click [here]( Alright, enough physiology. Letâs turn to psychology. Iâve always felt the brain was the most interesting thing to study. (Wait... what part of my body told me that?) Live Like You're Young Satchel Paige played professional baseball until he was 59. Paige once said, âHow old would you be if you didnât know how old you were?â Kinda makes you wonder if Satchel was a bristlecone pine -- but he had a point. And science agrees. From [Better with Age]( Research has shown that subjective age (how old you feel), not your actual age, is in fact a better predictor of your overall health, memory abilities, physical strength, and longevity.
In 1979, Ellen Langer took a bunch of men in their 70âs and 80âs and put them in a hotel that was dressed up to look like it was the 1950âs, the period when they were middle-aged. She told them to live like they were young again. What happened? It was like âThe Selfie of Dorian Gray.â From [Better with Age]( ...significant improvements in hearing, memory, strength, and scores on some intelligence tests. The group told to behave like they were 20 years younger also showed better dexterity and flexibility and even looked younger, according to outside observers who judged photos of the participants taken before and after the retreat.
So, to a degree, living like youâre younger can help keep you younger. And an area that deserves special emphasis when it comes to dementia is feeling a sense of purpose in life. This oneâs interesting because it had no effect on the biology of peopleâs brains. But research shows folks with a driving cause in life performed better despite the damage of the years gone by. The stronger a sense of purpose people had, the stronger the effects on their brains as they aged. So donât have hobbies â have passions. Something that propels you forward. As Norman Cousins said, âDeath is not the greatest loss in life. The greatest loss is what dies inside us while we live.â (To learn how to make emotionally intelligent friendships, click [here]( And, as the saying goes, âitâs not all about you.â Thereâs a big social component to sticking around on this planet past your due date... Get Social In 1938, the Harvard Grant Study started following a group of men across their entire lives â and itâs still going. Robert Waldinger, who now leads the study, said this: People who are more socially connected to family, to friends and community, are happier, healthier, and they live longer...
Relationships are vital â but not all of them. [Laura Carstensen]( founding director of Stanfordâs Center on Longevity, has noted that bad relationships are more harmful than good ones are positive. Translation: ditch the jerks. And then replace them with new friends. Widows live longer than widowers and thatâs largely attributed to women being better at maintaining their social networks. The Grant Study has collected truckloads of data over the years but when George Vaillant, who previously led the research, was asked what he learned from following those men for decades, he said one thing: âThat the only thing that really matters in life are your relationships to other people.â (To learn the 4 harsh truths that will make you a better person, click [here]( Okay, I donât want to take up too much more time in your life. Letâs round it all up and learn a little tip you can put to work right now... Sum Up Hereâs how to have a long, awesome life:
- The Repair Circuit: When youâre flush with cash, you spend. When times are tight, you conserve to extend financial longevity. Your body is no different. We need to stress our bodies a bit to activate that repair circuit.
- Eat Less Often: You donât need to starve yourself. Limiting your food intake to 8 hours a day is probably the most comfortable way to get notable results.
- Exercise: The Grim Reaper is slow. You can literally walk away from him.
- Medication: If youâre up for experimentation, Metformin shows a lot of promise. (Talk to your doctor. I got my MD from the University of Nowhere.)
- Live Like Youâre Young: But be less surly in your second adolescence, okay?
- Social: Ditch the jerks and spend more time with those you love.
Once youâre no longer covered under your parentsâ health insurance, that means your manufacturerâs warranty is over. We only get about 3 billion heartbeats, thatâs it. But thatâs no reason why we should have a negative attitude toward aging. In fact, thatâs a really bad idea. From [Better with Age]( Research shows that the attitudes one holds about aging are related to how well one actually agesâeven when these attitudes are assessed years before one enters old age.
Aging isnât all bad. In fact, you can benefit from thinking like an older person right now. Perspective is powerful and, as [John Leland]( notes, the elderly often have a pretty good one. They find happiness in the present â because the future may not come. Lifeâs better when you stop waiting for the future to make you happy. When your mood isnât dependent on external circumstances. When you find happiness and fulfillment in the imperfect now. Weâd be better off with a touch of that perspective today, before itâs forced upon us. Sometimes it takes 80 years to learn how valuable the simple things are, like a sunset or a smile. To realize the fancy stuff you thought you wanted is not what really makes you happy. A little optimism doesnât hurt either. Thomas Perls, who leads The New England Centenarian Study, says this is a solid part of living long and living well. To know youâve dealt with everything that has come before, and will deal with whatever happens next. To let yourself worry a little less. These perspective shifts -- living in the now and a little optimism -- can be the difference between living long and dying long. The research says theyâll make you happier. And, in a virtuous cycle of sorts, being happier extends your lifespan by approximately 4-10 years. Overall, the longevity research is imperfect. Theyâre still working on it. We might take this perspective and live optimistic lives, happier and more grateful, surrounded by those we love and appreciating all the good around us â and yet not live to 100... I donât know about you, but that still sounds like a pretty good deal to me. ***And if you want a daily insight, quote or laugh, you should follow me on Instagram [here]( Email Extras Findings from around the internet... + Want to know a fun way to keep your brain healthy as you age? Click [here](. + Want to know how to kill bad habits and create good ones? Click [here](. + Want to know the key thing kids need that they've been missing lately? Click [here](. + Miss last week's post? Here you go: [How To Stop Being Lazy And Get More Done â 5 Expert Tips](. + Want to know some solid tips for staying employed? Click [here](. + You read to the end of the email. I'm glad you lived that long and may you live much much longer. Thanks for reading. Alrighty, it's Crackerjack Time: There is a correct way to do the cola and Mentos experiment -- but for the hysterically incorrect way, click [here](.
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