Young Forever – by Dr. Mark Hyman
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A lot of work on the topic of aging looks at dealing with symptoms of aging, rather than the causes. And, that’s worthy too! Those symptoms often do need addressing. But this book is about treating the causes.
Dr. Hyman outlines:
- How and why we age
- The root causes of aging
- The ten hallmarks of aging
From there, we go on to learn about the foundations of longevity, and balancing our seven core biological systems:
- Nutrition, digestion, and the microbiome
- Immune and inflammatory system
- Cellular energy
- Biotransformation and elimination/detoxification*
- Hormones, neurotransmitters, and other signalling molecules
- Circulation and lymphatic flow
- Structural health, from muscle and bones to cells and tissues
*This isn’t about celery juice fasts and the like; this talking about the work your kidneys, liver, and other organs do
The book goes on to detail how, precisely, with practical actionable advices, to optimize and take care of each of those systems.
All in all: if you want a great foundational understanding of aging and how to slow it to increase your healthy lifespan, this is a very respectable option.
Click here to get your copy of “Young Forever” from Amazon today!
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How To Get More Nutrition From The Same Food
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How To Get More Out Of What’s On Your Plate
Where does digestion begin? It’s not the stomach. It’s not even the mouth.
It’s when we see and smell our food; maybe even hear it! “Sell the sizzle, not the steak” has a biological underpinning.
At that point, when we begin to salivate, that’s just one of many ways that our body is preparing itself for what we’re about to receive.
When we grab some ready-meal and wolf it down, we undercut that process. In the case of ready-meals, they often didn’t have much nutritional value, but even the most nutritious food isn’t going to do us nearly as much good if it barely touches the sides on the way down.
We’re not kidding about the importance of that initial stage of our external senses, by the way:
- Food perception primes hepatic endoplasmic reticulum homeostasis via melanocortin-dependent control of mTOR activation
- Olfaction regulates organismal proteostasis and longevity via microRNA-dependent signalling
So, mindful eating is not just something for Instagrammable “what I eat in a day” aesthetic photos, nor is just for monks atop cold mountains. There is actual science here, and a lot of it.
It starts with ingredients
“Eating the rainbow” (no, Skittles do not count) is great health advice for getting a wide variety of micronutrients, but it’s also simply beneficial for our senses, too. Which, as above-linked, makes a difference to digestion and nutrient absorption.
Enough is enough
That phrase always sounds like an expression of frustration, “Enough is enough!”. But, really:
Don’t overcomplicate your cooking, especially if you’re new to this approach. You can add in more complexities later, but for now, figure out what will be “enough”, and let it be enough.
The kitchen flow
Here we’re talking about flow in the Csikszentmihalyi sense of the word. Get “into the swing of things” and enjoy your time in the kitchen. Schedule more time than you need, and take it casually. Listen to your favourite music. Dance while you cook. Taste things as you go.
There are benefits, by the way, not just to our digestion (in being thusly primed and prepared for eating), but also to our cognition:
In The Zone: Flow State and Cognition in Older Adults
Serve
No, not just “put the food on the table”, but serve.
Have a pleasant environment; with sensory pleasures but without too many sensory distractions. Think less “the news on in the background” and more smooth jazz or Mozart or whatever works for you. Use your favourite (small!) plates/bowls, silverware, glasses. Have a candle if you like (unscented!).
Pay attention to presentation on the plate / in the bowl / in any “serve yourself” serving-things. Use a garnish (parsley is great if you want to add a touch of greenery without changing the flavor much). Crack that black pepper at the table. Make any condiments count (less “ketchup bottle” and more “elegant dip”).
Take your time
Say grace if that fits with your religious traditions, and/or take a moment to reflect on gratitude.
In many languages there’s a pre-dinner blessing that most often translates to “good appetite”. This writer is fond of the Norwegian “Velbekommen”, and it means more like “May good come of it for you”, or “May it do you good”.
Then, enjoy the food.
For the most even of blood sugar levels, consider eating fiber, protein/fat, carbs, in that order.
Why? See: 10 Ways To Balance Blood Sugars
Chew adequately and mindfully. Put your fork (or spoon, or chopsticks, or whatever) down between bites. Drink water alongside your meal.
Try to take at least 20 minutes to enjoy your meal, and/but any time you go to reach for another helping, take a moment to check in with yourself with regard to whether you are actually still hungry. If you’re not, and are just eating for pleasure, consider deferring that pleasure by saving the food for later.
At this point, people with partners/family may be thinking “But it won’t be there later! Someone else will eat it!”, and… That’s fine! Be happy for them. You can cook again tomorrow. You prepared delicious wholesome food that your partner/family enjoyed, and that’s always a good thing.
Want to know more about the science of mindful eating?
Check out Harvard’s Dr. Lilian Cheung on Mindful Eating here!
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What Matters Most For Your Heart?
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Eat More (Of This) For Lower Blood Pressure
Heart disease remains the world’s #1 killer. We’d say “and in the US, it’s no different”, but in fact, the US is #1 country for heart disease. So, it’s worse and perhaps some extra care is in order.
But how?
What matters the most
Is it salt? Salt plays a part, but it’s not even close to the top problem:
Hypertension: Factors Far More Relevant Than Salt
Is it saturated fat? Saturated fat from certain sources plays more of a role than salt, but other sources may not be so much of an issue:
Can Saturated Fats Be Heart-Healthy?
Is it red meat? Red meat is not great for the heart (or for almost anything else, except perhaps anemia):
The Whys and Hows of Cutting Meats Out Of Your Diet
…but it’s still not the top dietary factor.
The thing many don’t eat
All the above are foodstuffs that a person wanting a healthier heart and cardiovascular system in general might (reasonably and usually correctly) want to cut down, but there’s one thing that most people need more of:
Why You’re Probably Not Getting Enough Fiber (And How To Fix It)
And this is especially true for heart health:
❝Dietary fiber has emerged as a crucial yet underappreciated part of hypertension management.
Our comprehensive analysis emphasizes the evidence supporting the effectiveness of dietary fiber in lowering blood pressure and reducing the risk of cardiovascular events.❞
Specifically, she and her team found:
- Each additional 5g of fiber per day reduces blood pressure by 2.8/2.1 (systolic/diastolic, in mmHG)
- Dietary fiber works in several ways to improve cardiovascular health, including via gut bacteria, improved lipids profiles, and anti-inflammatory effects
- Most people are still only getting a small fraction (¼ to ⅓) of the recommended daily amount of fiber. To realize how bad that is, imagine if you consumed only ¼ of the recommended daily amount of calories every day!
You can read more about it here:
Dietary fiber critical in managing hypertension, international study finds
That’s a pop-science article, but it’s still very informative. If you prefer to read the scientific paper itself (or perhaps as well), you can find it below
Recommendations for the Use of Dietary Fiber to Improve Blood Pressure Control
Want more from your fiber?
Here’s yet another way fiber improves cardiometabolic health, hot off the academic press (the study was published just a couple of weeks ago):
How might fiber lower diabetes risk? Your gut could hold the clues
this pop-science article was based on this scientific paper
Gut Microbiota and Blood Metabolites Related to Fiber Intake and Type 2 Diabetes
Take care!
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When Your Brain’s “Get-Up-And-Go” Has Got Up And Gone…
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Sometimes, there are days when the body feels heavy, the brain feels sluggish, and even the smallest tasks feel Herculean.
When these days stack up, this is usually a sign of depression, and needs attention. Unfortunately, when one is in such a state, taking action about it is almost impossible.
Almost, but not quite, as we wrote about previously:
The Mental Health First-Aid You’ll Hopefully Never Need ← this is about as close to true mental health bootstrapping as actually works
Today though, we’re going to assume it’s just an off-day or such. So, what to do about it?
Try turning it off and on again
Sometimes, a reboot is all that’s needed, and if napping is an option, it’s worth considering. However, if you don’t do it right, you can end up groggy and worse off than before, so do check out:
How To Be An Expert Nap-Artist (No More “Sleep Hangovers”!)
If your exhaustion is nevertheless accompanied by stresses that are keeping you from resting, then there’s another “turn it off and on again” process for that:
Fuel in the tank
Our brain is an energy-intensive organ, and cannot run on empty for long. Thus, lacking energy can sometimes simply be a matter of needing to supply some energy. Simple, no? Except, a lot of energy-giving foods can cause a paradoxical slump in energy, so here’s how to avoid that:
Eating For Energy (In Ways That Actually Work)
There are occasions when exhausted, when preparing food seems like too much work. If you’re not in a position to have someone else do it for you, how can you get “most for least” in terms of nutrition for effort?
Many of the above-linked items can help (a bowl of nuts and/or dried fruit is probably not going to break the energy-bank, for instance), but beyond that, there are other considerations too:
How To Eat To Beat Chronic Fatigue (While Chronically Fatigued) ← as the title tells, this is about chronic fatigue, but the advice therein definitely goes for acute fatigue also.
The lights aren’t on
Sometimes it may be that your body is actually fine, but your brain is working in a clunky fashion at best. Assuming there is no more drastic underlying cause for this, a lack of motivation is often as simple as a lack of appropriate dopamine response. When that’s the case…
Lacking Motivation? Science Has The Answer
If, instead, the issue is more serotonin-based than dopamine based, then green places with blue skies are ideal. Depending on geography and season, those things may be in short supply, but the brain is easily tricked with artificial plants and artificial sunlight. Is it as good as a walk in the park on a pleasant summer morning? Probably not, but it’s many times better than nothing, so get those juices flowing:
Neurotransmitter Cheatsheet ← four for the price of one, here!
Schedule time for rest, or your body/brain will schedule it for you
There’s a saying in the field of engineering that “if you don’t schedule time for maintenance, your equipment will schedule it for you”, and the same is true of our body/brain. If you’re struggling to get good quantity, here’s how to at least get good quality:
How To Rest More Efficiently (Yes, Really)
And, importantly,
7 Kinds Of Rest When Sleep Is Not Enough
Take care!
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Staying Sane In A Hyper-Connected World
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Staying Sane In A Hyper-Connected World
There’s a war over there, a genocide in progress somewhere else, and another disease is ravaging the population of somewhere most Americans would struggle to point out on the map. Not only that, but that one politician is at it again, and sweeping wildfires are not doing climate change any favors.
To borrow an expression from Gen-Z…
“Oof”.
A Very Modern Mental Health Menace
For thousands of years, we have had wars and genocides and plagues and corrupt politicians and assorted major disasters. Dire circumstances are not new to us as a species. So what is new?
As some reactionary said during the dot-com boom, “the Internet doesn’t make people stupid; it just makes their stupidity more accessible”.
The same is true now of The Horrors™.
The Internet doesn’t, by and large, make the world worse. But what it does do is make the bad things much, much more accessible.
Understanding and empathy are not bad things, but watch out…
- When soldiers came home from the First World War, those who hadn’t been there had no conception of the horrors that had been endured. That made it harder for the survivors to get support. That was bad.
- Nowadays, while mass media covering horrors certainly doesn’t convey the half of it, even the half it does convey can be overwhelming. This is also bad.
The insidious part is: while people are subjectively reporting good physical/mental health, the reports of the symptoms of poor physical/mental health from the same population do not agree:
Stress in America 2023: A nation grappling with psychological impacts of collective trauma
Should we just not watch the news?
In principle that’s an option, but it’s difficult to avoid, unless you truly live under a rock, and also do not frequent any social media at all. And besides, isn’t it our duty as citizens of this world to stay informed? How else can we make informed choices?
Staying informed, mindfully
There are steps that can be taken to keep ourselves informed, while protecting our mental health:
- Choose your sources wisely. Primary sources (e.g. tweets and videos from people who are there) will usually be most authentic, but also most traumatizing. Dispassionate broadsheets may gloss over or misrepresent things more (something that can be countered a bit by reading an opposing view from a publication you hate on principle), but will offer more of an emotional buffer.
- Boundary your consumption of the news. Set a timer and avoid doomscrolling. Your phone (or other device) may help with this if you set a screentime limit per app where you consume that kind of media.
- Take (again, boundaried) time to reflect. If you don’t, your brain will keep grinding at it “like a fork in the garbage disposal”. Talking about your feelings on the topic with a trusted person is great; journaling is also a top-tier more private option.
- If you feel helpless, help. Taking even small actions to help in the face of suffering somewhere else (e.g. donating to relief funds, engaging in advocacy / hounding your government about it), can help alleviate feelings of anguish and helplessness. And of course, as a bonus, it actually helps in the real world too.
- When you relax, relax fully. Even critical care doctors need downtime, nobody can be “always on” without burning out. So whatever distracts and relaxes you completely, make sure to make time for that too.
Want to know more?
That’s all we have room for today, but you might like to check out:
- Distressing images and videos can take a toll on our mental health. How can we stay informed without being traumatised?
- PTSD expert on how to protect yourself and your kids from overexposure to war images from the Mideast
You also might like our previous main features:
- C-PTSD, And What To Do When Life Genuinely Sucks
- A Surprisingly Powerful Tool: Eye Movement Desensitization & Reprocessing
Take care!
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The Dopamine Myth
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The Dopamine Myth
There’s a popular misconception that, since dopamine is heavily involved in addictions, it’s the cause.
We see this most often in the context of non-chemical addictions, such as:
- gambling
- videogames
- social media
And yes, those things will promote dopamine production, and yes, that will feel good. But dopamine isn’t the problem.
Myth: The Dopamine Detox
There’s a trend we’ve mentioned before (it got a video segment a few Fridays back) about the idea of a “dopamine detox“, and how unscientific the idea is.
For a start…
- You cannot detox from dopamine, because dopamine is not a toxin
- You cannot abstain from dopamine, because your brain regulates your dopamine levels to keep them correct*
- If you could abstain from dopamine (and did), you would die, horribly.
*unless you have a serious mental illness, for example:
- forms of schizophrenia and/or psychosis that involve too much dopamine, or
- forms of depression and/or neurodegenerative diseases such as Parkinson’s (and several kinds of dementia) in which you have too little dopamine
- bipolar disorder in which dopamine levels can swing too far each way
See also: Dopamine fasting: misunderstanding science spawns a maladaptive fad
Myth: Dopamine is all about pleasure
Dopamine is a pleasure-giving neurotransmitter, but it serves more purposes than that! It also plays a central role in many neurological processes, including:
- Motivation
- Learning and memory
- Motor functions
- Language faculties
- Linear task processing
Note for example how someone taking dopaminergic drugs (prescription or otherwise; could be anything from modafinil to cocaine) is not blissed out… They’re probably in a good mood, sure, but they’re focused, organized, quick-thinking, and so forth! This is not an ad for cocaine; cocaine is very bad for the health. But you see the features? So, what if we could have a little more dopamine… healthily?
Dopamine—à la carte
Let’s look at the examples we gave earlier of non-chemical addictions that are dopaminergic in nature:
- gambling
- videogames
- social media
They’re not actually that rewarding, are they?
- Gamblers lose more than they win
- Gamers cease to care about a game once they have won
- Social media more often results in “doomscrolling”
This is because what prompts the most dopamine is actually the anticipation of reward… not the thing itself, whose reward-pleasure is very fleeting. Nobody looks back at an hour of doomscrolling and thinks “well, that was fun; I’m glad I did that”.
See the science: Liking, Wanting and the Incentive-Sensitization Theory of Addiction
But what if we anticipated a reward from things that are not deleterious to health and productivity? Things that are neutral, or even good for us?
Examples of this include:
- Sex! (remember though, it’s not a race to the finish-line)
- Good, nourishing food (bonus: some foods boost dopamine production nutritionally)
- Exercise/sport (also prompts release of endorphins, win/win!)
- Gamified learning apps (e.g. Duolingo)
- Gamified health/productivity apps (anything with bells and whistles and things that go “ding” and measure streaks etc)
Want to know more?
That’s all we have time for today, but you might want to check out:
10 Best Ways to Increase Dopamine Levels Naturally ← Science-based and well-sourced article!
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Tastes from our past can spark memories, trigger pain or boost wellbeing. Here’s how to embrace food nostalgia
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Have you ever tried to bring back fond memories by eating or drinking something unique to that time and place?
It could be a Pina Colada that recalls an island holiday? Or a steaming bowl of pho just like the one you had in Vietnam? Perhaps eating a favourite dish reminds you of a lost loved one – like the sticky date pudding Nanna used to make?
If you have, you have tapped into food-evoked nostalgia.
As researchers, we are exploring how eating and drinking certain things from your past may be important for your mood and mental health.
Halfpoint/Shutterstock Bittersweet longing
First named in 1688 by Swiss medical student, Johannes Hoffer, nostalgia is that bittersweet, sentimental longing for the past. It is experienced universally across different cultures and lifespans from childhood into older age.
But nostalgia does not just involve positive or happy memories – we can also experience nostalgia for sad and unhappy moments in our lives.
In the short and long term, nostalgia can positively impact our health by improving mood and wellbeing, fostering social connection and increasing quality of life. It can also trigger feelings of loneliness or meaninglessness.
We can use nostalgia to turn around a negative mood or enhance our sense of self, meaning and positivity.
Research suggests nostalgia alters activity in the brain regions associated with reward processing – the same areas involved when we seek and receive things we like. This could explain the positive feelings it can bring.
Nostalgia can also increase feelings of loneliness and sadness, particularly if the memories highlight dissatisfaction, grieving, loss, or wistful feelings for the past. This is likely due to activation of brain areas such as the amygdala, responsible for processing emotions and the prefrontal cortex that helps us integrate feelings and memories and regulate emotion.
How to get back there
There are several ways we can trigger or tap into nostalgia.
Conversations with family and friends who have shared experiences, unique objects like photos, and smells can transport us back to old times or places. So can a favourite song or old TV show, reunions with former classmates, even social media posts and anniversaries.
What we eat and drink can trigger food-evoked nostalgia. For instance, when we think of something as “comfort food”, there are likely elements of nostalgia at play.
Foods you found comforting as a child can evoke memories of being cared for and nurtured by loved ones. The form of these foods and the stories we tell about them may have been handed down through generations.
Food-evoked nostalgia can be very powerful because it engages multiple senses: taste, smell, texture, sight and sound. The sense of smell is closely linked to the limbic system in the brain responsible for emotion and memory making food-related memories particularly vivid and emotionally charged.
But, food-evoked nostalgia can also give rise to negative memories, such as of being forced to eat a certain vegetable you disliked as a child, or a food eaten during a sad moment like a loved ones funeral. Understanding why these foods evoke negative memories could help us process and overcome some of our adult food aversions. Encountering these foods in a positive light may help us reframe the memory associated with them.
Just like mum used to make. Food might remind you of the special care you received as a child. Galina Kovalenko/Shutterstock What people told us about food and nostalgia
Recently we interviewed eight Australians and asked them about their experiences with food-evoked nostalgia and the influence on their mood. We wanted to find out whether they experienced food-evoked nostalgia and if so, what foods triggered pleasant and unpleasant memories and feelings for them.
They reported they could use foods that were linked to times in their past to manipulate and influence their mood. Common foods they described as particularly nostalgia triggering were homemade meals, foods from school camp, cultural and ethnic foods, childhood favourites, comfort foods, special treats and snacks they were allowed as children, and holiday or celebration foods. One participant commented:
I guess part of this nostalgia is maybe […] The healing qualities that food has in mental wellbeing. I think food heals for us.
Another explained
I feel really happy, and I guess fortunate to have these kinds of foods that I can turn to, and they have these memories, and I love the feeling of nostalgia and reminiscing and things that remind me of good times.
Yorkshire pudding? Don’t mind if I do. Rigsbyphoto/Shutterstock Understanding food-evoked nostalgia is valuable because it provides us with an insight into how our sensory experiences and emotions intertwine with our memories and identity. While we know a lot about how food triggers nostalgic memories, there is still much to learn about the specific brain areas involved and the differences in food-evoked nostalgia in different cultures.
In the future we may be able to use the science behind food-evoked nostalgia to help people experiencing dementia to tap into lost memories or in psychological therapy to help people reframe negative experiences.
So, if you are ever feeling a little down and want to improve your mood, consider turning to one of your favourite comfort foods that remind you of home, your loved ones or a holiday long ago. Transporting yourself back to those times could help turn things around.
Megan Lee, Senior Teaching Fellow, Psychology, Bond University; Doug Angus, Assistant Professor of Psychology, Bond University, and Kate Simpson, Sessional academic, Bond University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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