The 7 Known Risk Factors For Dementia
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A recent UK-based survey found that…
- while nearly half of adults say dementia is the disease they fear most,
- only a third of those thought you could do anything to avoid it, and
- just 1% could name the 7 known risk factors.
Quick test
Can you name the 7 known risk factors?
Please take a moment to actually try (this kind of mental stimulation is good in any case), and count them out on your fingers (or write them down), and then…
Answer (no peeking if you haven’t listed them yet)
The 7 known risk factors are:
*drumroll please*
- Smoking
- High blood pressure
- Diabetes
- Obesity
- Depression
- Lack of mental stimulation
- Lack of physical activity
How many did you get? If you got them all, well done. If not, then well, now you know, so that’s good.
Did you come here from our “Future-Proof Your Brain” article? If so, you can get back to it here ← and if you didn’t, you should check it out anyway; it’s worth it😉
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A New Tool For Bone Regeneration
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When it comes to rebuilding bones, one of the tools in the orthopedic surgeon’s toolbox is bone grafts. This involves, to oversimplify it a bit, gluing particles of bone to where bone needs rebuilding. However, this comes with problems, most notably:
- that the bone tissue and the adhesive “glue” need to be prepared separately and mixed in situ, which is fiddly, to say the least
- that the resultant mixture mixed in situ will usually be unevenly mixed, resulting in weak bonding and degradation over time
- having any more of one part or the other in any given site means that bone regeneration and adhesion become a “pick one” matter, when both are critically needed
You may be wondering: why can’t they mix them before putting them in?
And the answer is: because then either the glue will set the bone prematurely (and now we have a clump of bone outside of the body which is not what we wanted), or else the glue will have issues with setting in situ, and now we have bone tissue running down the inside of someone’s leg and setting somewhere else, which is also not what we want.
These kinds of problems may seem a little more “arts and crafts” than “orthopedic surgery”, but they are the kind of nitty-gritty real-life real challenges that actually get in the way of healing patients’ bones.
The new solution
Biomaterial research scientists have developed an injectable hydrogel (containing all the necessary ingredients* that uses light to achieve cross-linking of bone particles and mineralization without any of the above being necessary. In again oversimplified terms: they inject the hydrogel where it’s needed, and then irradiate the site with harmless visible light which instantly sets it in place. As to how the light gets in there: it’s just very shiny, like candling an egg to see inside, or like how you can still approximately see bright light even with your eyes closed.
*alginate (natural polysaccharide derived from brown algae), RGD peptide-containing mussel** adhesive protein, calcium ions, phosphonodiols, and a photoinitiator.
**unclear whether this would trigger a shellfish allergy. Probably kosher per “פיקוח נפש” and Talmud Yoma 85b, but we are a health science newsletter, not Talmudic scholars, so please talk to your Rabbi. Probably halal per Qur’an 5:4 and failing that, the same principle as previously mentioned, expressed in Qur’an 5:3 and 6:119, but once again, your humble writer here is no Mufti, so please talk to your Imam. As for if you are vegetarian or vegan, then that is for you to decide whether to take a “medications with animal ingredients are unfortunate but necessary” stance, as most do. This vegan writer would (she’d grumble about it, though, and at least try to find an acceptable alternative first).
Back to the more general practicalities…
How it works, in less oversimplified terms:
❝The coacervate-based formulation, which is immiscible in water, ensures that the hydrogel retains its shape and position after injection into the body. Upon visible light irradiation, cross-linking occurs, and amorphous calcium phosphate, which functions as a bone graft material, is simultaneously formed. This eliminates the need for separate bone grafts or adhesives, enabling the hydrogel to provide both bone regeneration and adhesion.❞
“That’s great, but I was hoping for something I can do right now, ideally at home”
If getting glued back together was not on your bucket list, that’s understandable. There’s still a lot you can do for bone density; here’s a quick overview:
- Get it checked. Yes, this first, if you haven’t already! You want a basis for comparison later. Book a bone density scan. See for example this case study with bone density scans at each end: 21% Stronger Bones in a Year at 62? Yes, It’s Possible (No Calcium Supplements Needed!)
- Enjoy a diet rich in calcium and vitamin D yes, but be aware that you can have too much of a good thing, and doing so will result in more harm than good, including (paradoxically) for your bones. See: Vitamin D + Calcium: Too Much Of A Good Thing?
- Enjoy a diet rich is phosphorus, potassium, and magnesium, which things are also necessary for bone health, and in which people are much more likely to be deficient (especially magnesium). If you’re going to supplement, then there are very big difference in the efficacy of different kinds of magnesium supplement (brace yourself; the cheapest and most common kind barely does anything at all). See: Which Magnesium? (And: When?)
- Enjoy a diet rich in high quality protein—collagen is very useful, but if you want a plant-based approach, don’t worry, our body can and will make it for yourself if you give it a hand—and vitamin C to help its absorption, as well as glycine if you’re going the no-animals route. See: Collagen For Bones: We Are Such Stuff As Fish Are Made Of and: The Sweet Truth About Glycine: Making Your Collagen Work Better
- Consider medication, if your bone density is already lower than what it should be. There are meds to stop further deterioration, and different meds to encourage your body to rebuild bone. However, there are downsides to each of them: Which Osteoporosis Medication, If Any, Is Right For You?
- While we’re on the topic of medications, consider bioidentical HRT if you are female and not otherwise producing your own estrogen and progesterone in adequate quantities to maintain your skeletal integrity: HRT: A Tale Of Two Approaches
- Look after your gut too! So much starts there: Is Your Gut Leading You Into Osteoporosis? Bacterioides Vulgatus & Bone Health
- Lastly, exercise, but exercise right, because with insufficient resistance exercise your bones will not “think” they need to remain strong, and with the wrong kind of resistance exercise, you could break/compress your bones if they are already weak, so check out: Osteoporosis & Exercises: Which To Do (And Which To Avoid)
Too much information?
If that was too much information all at once, then we recommend this as your one-stop article:
The Bare-Bones Truth About Osteoporosis
Want more information?
We are but a humble newsletter and can only include so much per day, but we highly recommend this book we reviewed a little while back, which goes into everything in a lot more detail than we can here:
Enjoy!
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What Macronutrient Balance Is Right For You?
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It’s Q&A Day at 10almonds!
Have a question or a request? We love to hear from you!
In cases where we’ve already covered something, we might link to what we wrote before, but will always be happy to revisit any of our topics again in the future too—there’s always more to say!
As ever: if the question/request can be answered briefly, we’ll do it here in our Q&A Thursday edition. If not, we’ll make a main feature of it shortly afterwards!
So, no question/request too big or small 😎
❝I want to learn more about macros. Can you cover that topic?❞
That’s a little broader than we usually go for, given the amount of space we have, but let’s give it a go!
Macronutrients, or “macros”, are the nutrients that we typically measure in grams rather than milligrams or micrograms, and are:
- Carbohydrates
- …and what kinds, of which usually the focus is on how much is sugars as opposed to more complex carbs that take longer to break down. See also: Should You Go Light Or Heavy On Carbs?
- …and of the sugars, the interested may further categorize them into sucrose, fructose, etc. See also: Which Sugars Are Healthier, And Which Are Just The Same?
- Proteins
- …of which, the amino acid make-up is generally considered a matter of micronutrients. See also: Protein: How Much Do We Need, Really?
- Fats
- …and what kinds, i.e. monounsaturated vs polyunsaturated vs saturated. See also: Saturated Fat: What’s The Truth?
- …and then the interested may further categorize them for their fatty acids / triglycerides profile, etc. See also: What Omega-3 Fatty Acids Really Do For Us
- Fiber
- …which often gets ignored by people counting macros, as “stuff that doesn’t do anything”, despite it in fact being very important for health. See also: Why You’re Probably Not Getting Enough Fiber (And How To Fix It)
- Water
- …which again tends to get disregarded but is very arguably a critical macronutrient. See also: Busting The Myth of “Eight Glasses Of Water A Day”
In terms of how much we need of each, you can read more in the above-linked articles, but:
- General scientific consensus is we need plenty of fiber (30 or 40g per day is good) and water (highly dependent on climate and activity), and there’s a clear minimum requisite for protein (usually put at around 1g of protein per day per 1kg of body weight).
- There is vigorous debate in the general health community about what the best ratio of carbs to fat is.
The reality is that humans are quite an adaptable species, and while we absolutely do need at least some of both (carbohydrates and fats), we can play around with the ratios quite a bit, provided we don’t get too extreme about it.
While some influence is social and often centered around weight loss (see for example keto which seeks to minimize carbs, and volumetrics, which seeks maximise volume-to-calorie ratio, which de facto tends to minimize fats), some of what drives us to lean one way or the other will be genetics, too—dependent on what our ancestors ate more or less of.
Writer’s example: my ancestors could not grow much grain (or crops in general) where they were, so they got more energy from such foods as whale and seal fat (with protein coming more from reindeer). Now, biology is not destiny, and I personally enjoy a vegan diet, but my genes are probably why I am driven to get most of my daily calories from fat (of which, a lot of fatty nuts (don’t tell almonds, but I prefer walnuts and cashews) and healthy oils such as olive oil, avocado oil, and coconut oil).
However! About that adaptability. Provided we make changes slowly, we can usually adjust our diet to whatever we want it to be, including whether we get our energy more from carbs or fats. The reason we need to make changes slowly is because our gut needs time to adjust. For example, if your vegan writer here were to eat her ancestrally-favored foods now, I’d be very ill, because my gut microbiome has no idea what to do with animal products anymore, no matter what genes I have. In contrast, if an enthusiastic enjoyer of a meat-heavy diet were to switch to my fiber-rich diet overnight, they’d be very ill.
So: follow your natural inclinations, make any desired changes slowly, and if in doubt, it’s hard to go wrong with enjoying carbs and fats in moderation.
Learn more: Intuitive Eating Might Not Be What You Think
Take care!
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The Best Form Of Sugar During Exercise
10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.
It’s Q&A Day at 10almonds!
Have a question or a request? We love to hear from you!
In cases where we’ve already covered something, we might link to what we wrote before, but will always be happy to revisit any of our topics again in the future too—there’s always more to say!
As ever: if the question/request can be answered briefly, we’ll do it here in our Q&A Thursday edition. If not, we’ll make a main feature of it shortly afterwards!
So, no question/request too big or small 😎
❝What is the best form of sugar for an energy kick during exercise? Both type of sugar eg glicoae fructose dextrose etc and medium, ie drink, gel, solids etc❞
Great question! Let’s be clear first that we’re going to answer this specifically for the context of during exercise.
Because, if you’re not actively exercising strenuously right at the time when you’re taking the various things we’re going to be talking about, the results will not be the same.
For scenarios that are anything less than “I am exercising right now and my muscles (not joints, or anything else) are feeling the burn”, then instead please see this:
Snacks & Hacks: Eating For Energy (In Ways That Actually Work)
Because, to answer your question, we’re going to be going 100% against the first piece of advice in that article, which was “Skip the quasi-injectables”, i.e., anything marketed as very quick release. Those things are useful for diabetics to have handy just in case of needing to urgently correct a hypo, but for most people most of the time, they’re not. See also:
Which Sugars Are Healthier, And Which Are Just The Same?
However…
When strenuously exercising in a way that is taxing our muscles, we do not have to worry about the usual problem of messing up our glucose metabolism by overloading our body with sugars faster than it can use it (thus: it has to hurriedly convert glucose and shove it anywhere it’ll fit to put it away, which is very bad for us), because right now, in the exercise scenario we’re describing, the body is already running its fastest metabolism and is grabbing glucose anywhere it can find it.
Which brings us to our first key: the best type of sugar for this purpose is glucose. Because:
- glucose: the body can use immediately and easily convert whatever’s spare to glycogen (a polysaccharide of glucose) for storage
- fructose: the body cannot use immediately and any conversion of fructose to glycogen has to happen in the liver, so if you take too much fructose (without anything to slow it down, such as the fiber in whole fruit), you’re not only not going to get usable energy (the sugar is just going to be there in your bloodstream, circulating, not getting used, because it doesn’t trigger insulin release and insulin is the gatekeeper that allows sugar to be used), but also, it’s going to tax the liver, which if done to excess, is how we get non-alcoholic fatty liver disease.
- sucrose: is just a disaccharide of glucose and fructose, so it first gets broken down into those, and then its constituent parts get processed as above. Other disaccharides you’ll see mentioned sometimes are maltose and lactose, but again, they’re just an extra step removed from useful metabolism, so to save space, we’ll leave it at that for those today.
- dextrose: is just glucose, but when the labeller is feeling fancy. It’s technically informational because it specifies what isomer of glucose it is, but basically all glucose found in food is d-glucose, i.e. dextrose. Other isomers of glucose can be synthesized (very expensively) in laboratories or potentially found in obscure places (the universe is vast and weird), but in short: unless someone’s going to extreme lengths to get something else, all glucose we encounter is dextrose, and all (absolutely all) dextrose is glucose.
We’d like to show scientific papers contesting these head-to-head for empirical proof, but since the above is basic chemistry and physiology, all we could find is papers taking this for granted and stating in their initial premise that sports drinks, gels, bars usually contain glucose as their main sugar, potentially with some fructose and sucrose. Like this one:
A Comprehensive Study on Sports and Energy Drinks
As for how to take it, again this is the complete opposite of our usual health advice of “don’t drink your calories”, because in this case, for once…
(and again, we must emphasize: only while actively doing strenuous exercise that is making specifically your muscles burn, not your joints or anything else; if your joints are burning you need to rest and definitely don’t spike your blood sugars because that will worsen inflammation)
…just this once, we do want those sugars to be zipping straight into the blood. Which means: liquid is best for this purpose.
And when we say liquid: gel is the same as a drink, so far as the body is concerned, provided the body in question is adequately hydrated (i.e., you are also drinking water).
Here are a pair of studies (by the same team, with the same general methodology), testing things head-to-head, with endurance cyclists on 6-hour stationary cycle rides:
CHO Oxidation from a CHO Gel Compared with a Drink during Exercise
Meanwhile, liquid beat solid, but only significantly so from the 90-minute mark onwards, and even that significant difference was modest (i.e. it’s clinically significant, it’s a statistically reliable result and improbable as random happenstance, but the actual size of the difference was not huge):
Oxidation of Solid versus Liquid CHO Sources during Exercise
We would hypothesize that the reason that liquids only barely outperformed solids for this task is precisely because the solids in question were also designed for the task. When a company makes a fast-release energy bar, they don’t load it with fiber to slow it down. Which differentiates this greatly from, say, getting one’s sugars from whole fruit.
If the study had compared apples to apple juice, we hypothesize the results would have been very different. But alas, if that study has been done, we couldn’t find it.
Today has been all about what’s best during exercise, so let’s quickly finish with a note on what’s best before and after:
Before: What To Eat, Take, And Do Before A Workout
After: Overdone It? How To Speed Up Recovery After Exercise
Take care!
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Stop Using The Wrong Hairbrush For Your Hair Type
10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.
When you brush your hair, you’re either making it healthier or damaging it, depending on what you’re using and how. To avoid pulling your hair out, and to enjoy healthy hair of whatever kind you have and whatever length suits you, it pays to know a little about different brushes, and the different techniques involved.
Head-to-head
Brush shapes and sizes are designed to achieve different effects in hair, not just for decoration. For example:
- Rat tail combs are excellent for parting and sectioning hair with clean lines. The rat tail part is actually more important than the comb part.
- Regular combs are multipurpose but best for use with flat irons, ensuring straighter hair for a longer time.
- Wide-tooth combs should not be used for detangling as they can cause breakage; instead, use a proper detangling brush. Speaking of detangling…
- Detangling brushes are essential for daily use. Whichever you use, start brushing from the bottom to prevent tangles from stacking and worsening. As for kinds of detangling brush:
- The “Tangle Teaser” is a good beginner option, but it may not detangle well for thicker hair.
- Wet Brush (this is a brand name, and is not about any inherent wetness) is the recommended detangling brush for most people. It can be used on wet or dry hair.
- Mason Pearson brush is a luxury detangling brush (see it here on Amazon) that works slightly more quickly and efficiently, but is expensive and not necessary for most people.
- Teasing brushes are for adding volume by backcombing—but require skill to prevent visible tangles. Best avoided for most people.
- Ceramic round brushes are the best for blow-drying, because they hold tension and help hair dry smoother and shinier.
- Blow-dryer brushes are great for easy blow-drying but should not be used on dry hair, to avoid damage.
- Denman brushes are for people with natural curls, enhancing curls without straightening them like a Wet brush would.
For more on all of these brushes, plus visual demonstrations, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
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To Nap Or Not To Nap; That Is The Question
10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.
It’s Q&A Day at 10almonds!
Have a question or a request? We love to hear from you!
In cases where we’ve already covered something, we might link to what we wrote before, but will always be happy to revisit any of our topics again in the future too—there’s always more to say!
As ever: if the question/request can be answered briefly, we’ll do it here in our Q&A Thursday edition. If not, we’ll make a main feature of it shortly afterwards!
So, no question/request too big or small
❝Is it good to nap in the afternoon, or better to get the famous 7 to 9 hours at night and leave it at that? I’m worried that daytime napping to make up for a shorter night’s sleep will just perpetuate and worsen it in the long run, is there a categorical answer here?❞
Generally considered best is indeed the 7–9 hours at night (yes, including at older ages):
Why You Probably Need More Sleep
…and sleep efficiency does matter too:
Why 7 Hours Sleep Is Not Enough
…which in turn, is influenced by factors other than just length and depth:
The 6 Dimensions Of Sleep (And Why They Matter)
However! Knowing what is best in theory does not help at all if it’s unattainable in practice. So, if you’re not getting a good night’s sleep (and we’ll assume you’re already practising good sleep hygiene; fresh bedding, lights-off by a certain time, no alcohol or caffeine before bed, that kind of thing), then a first port-of-call may be sleep remedies:
Safe Effective Sleep Aids For Seniors
If even those don’t work, then napping is now likely your best back-up option. But, napping done incorrectly can indeed cause as many problems as it solves. There’s a difference between:
- “I napped and now I have energy again” and you continue with your day
- “Darkness took me, and I strayed out of thought and time. Stars wheeled overhead, and every day was as long as the life age of the earth—but it was not the end.” and now you’re not sure whether it’s day or night, whose house you’re in, or whether you’ve been drugged.
These two very common napping experiences are influenced by factors that we can control:
How To Nap Like A Pro (No More “Sleep Hangovers”!)
If you still prefer to not risk napping but do need at least some kind of refreshment that’s actually a refreshment and not just taking stimulants, then you might consider this practice (from yoga nidra) that gives some of the same benefits of sleep, without actually sleeping:
Non-Sleep Deep Rest: A Neurobiologist’s Insights
Take care!
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Body Image Dissatisfaction/Appreciation Across The Ages
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Every second news article about body image issues is talking about teens and social media use, but science tells a different story.
A large (n=1,327) study of people of mixed genders aged 16–88 examined matters relating to people’s body image, expecting…
❝We hypothesized that body dissatisfaction and importance of appearance would be higher in women than in men, that body dissatisfaction would remain stable across age in women, and that importance of appearance would be lower in older women compared to younger women. Body appreciation was predicted to be higher in men than in women.❞
As they discovered, only half of that turned out to be true:
❝In line with our hypotheses, body dissatisfaction was higher in women than in men and was unaffected by age in women, and importance of appearance was higher in women than in men.
However, only in men did age predict a lower level of the importance of appearance. Compared to men, women stated that they would invest more hours of their lives to achieve their ideal appearance.
Contrary to our assumption, body appreciation improved and was higher in women across all ages than in men.❞
You can read the study in full here:
That’s a lot of information, and we don’t have the space to go into all parts of it here, fascinating as that would be. So we’re going to put two pieces of information (from the above) next to each other:
- body dissatisfaction was higher in women than in men and was unaffected by age in women
- body appreciation improved and was higher in women across all ages than in men
…and resolve this apparent paradox.
Dissatisfied appreciation
How is it that women are both more dissatisfied with, and yet also more appreciative of, their bodies?
The answer is that we can have positive and negative feelings about the same thing, without them cancelling each other out. In short, simply, feeling more feelings about it.
Whether the gender-related disparity in this case comes more from hormones or society could be vigorously debated, but chances are, it’s both. And, for our gentleman-readers, note that the principle still applies to you, even if scaled down on average.
Call to action:
- be aware of the negative feelings of body dissatisfaction
- focus on the positive feelings of body appreciation
While in theory both could motivate us to action, in reality, the former will tend to inform us (about what we might wish to change), while the latter will actually motivate us in a useful way (to do something positive about it).
This is because the negative feelings about body image tend to be largely based in shame, and shame is a useless motivator (i.e., it simply doesn’t work) when it comes to taking positive actions:
Why Shame Only Works Negatively
You can’t hate yourself into a body you love
That may sound like a wishy-washy platitude, but given the evidence on how shame works (and doesn’t), it’s true.
Instead, once you’ve identified the things about your body with which you’re dissatisfied, you can then assess:
- what can reasonably be changed
- whether it is important enough to you to change it
- how to go about usefully changing it
While weight issues are perhaps the most commonly-discussed body image consideration, to the point that often all others get forgotten, let’s look at something that’s generally more specific to adults, and also a very common cause of distress for women and men alike: hair loss/thinning.
If your hair is just starting to thin and fall, then if this bothers you, there’s a lot that can be done about it quite easily, but (and this is important) you have to love yourself enough to actually do it. Merely feeling miserable about it, and perhaps like you don’t deserve better, or that it is somehow a personal failing on your part, will not help.
If your hair has been gone for years, then chances are you’ve made your peace with this by now, and might not even take it back if a fairy godmother came along and offered to restore it magically. On the other hand, let’s say that you’re just coming out the other end of a 10-year-long depression, and perhaps you let a lot of things go that you now wish you hadn’t, and maybe your hair is one of them. In this case, now you need to decide whether getting implants (likely the only solution at this late stage) is worth it.
Note that in both cases, whatever the starting point and whether the path ahead is easy or hard, the person who has dissatisfaction and/but still values themself and their body will get what they need.
In contrast, the person who has dissatisfaction and does not value themself and their body, will languish.
The person without dissatisfaction, of course, probably already has what they need.
In short: identification of dissatisfaction + love and appreciation of oneself and one’s body → motivation to usefully take action (out of love, not hate)
Now, dear reader, apply the same thinking to whatever body image issues you may have, and take it from there!
Embodiment
A quick note in closing: if you are a person with no body dissatisfactions, there are two main possible reasons:
- You are genuinely happy with your body in all respects. Congratulations!
- You have disassociated from your body to such an extent that it’s become a mere vehicle to you and you don’t care about it.
This latter may seem like a Zen-level win, but in fact it’s a warning sign for depression, so please do examine that even if you don’t “feel” depressed (depression is often characterized by a lack of feelings), perhaps by taking the (very quick) free PHQ9 Test ← under 2 minutes; immediate results; industry-standard diagnostic tool
Take care!
Don’t Forget…
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