Cold Weather Health Risks
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Many Are Cold; Few Are Frozen
Many of those of us in the Northern Hemisphere are getting hit with a cold spell around now. How severe that may be depends on more precisely where we are, but it’s affecting a lot of people. So, with apologies to our readers in Australia, we’re going to do a special on that today.
Acute cold is, for most people, good for the health:
A Cold Shower A Day Keeps The Doctor Away?
Persistent cold, not so much. Let’s look at the risks, and what can be done about them…
Hypothermia
It kills. Don’t let it kill you or your loved ones.
And, this is really important: it doesn’t care whether you’re on a mountain or not.
In other words: a lot of people understand (correctly!) that hypothermia is a big risk to hikers, climbers, and the like. But if the heating goes out in your house and the temperature drops for long enough before the heating is fixed, you can get hypothermia there too just the same if you’re not careful.
How cold is too cold? It doesn’t even have to be sub-zero. According to the CDC, temperatures of 4℃ (40℉) can be low enough to cause hypothermia if other factors combine:
CDC | Prevent Hypothermia & Frostbite ← you can also see the list of symptoms to watch out for, there!
Skin health
Not generally an existential risk, but we may as well stay healthy as not!
Cold air often means dry air, so use a moisturizer with an oil base (if you don’t care for fancy beauty products, ordinary coconut oil is top-tier).
Bonus if you do it after a warming bath/shower!
Heart health
Cold has a vasconstricting effect; that is to say, it causes the body’s vasculature to shrink, increasing localized blood pressure. If it’s a cold shower as above, that can be very invigorating. If it’s a week of sub-zero temperatures, it can become a problem.
❝Shoveling a little snow off your sidewalk may not seem like hard work. However, […] combined with the fact that the exposure to cold air can constrict blood vessels throughout the body, you’re asking your heart to do a lot more work in conditions that are diminishing the heart’s ability to function at its best.❞
Source: Snow shoveling, cold temperatures combine for perfect storm of heart health hazards
If you have a heart condition, please do not shovel snow. Let someone else do it, or stay put.
And if you are normally able to exercise safely? Unless you’re sure your heart is in good order, exercising in the warmth, not the cold, seems to be the best bet.
See also: Heart Attack: His & Hers (Be Prepared!) ← can you remember which symptoms are for which sex? If not, now’s a good time to refresh that knowledge.
Immune health
We recently discussed how cold weather indirectly increases the risk of respiratory viral infection:
The Cold Truth About Respiratory Infections
So, now’s the time to be extra on-guard about that.
See also: Beyond Supplements: The Real Immune-Boosters!
Balance
Icy weather increases the risk of falling. If you think “having a fall” is something that happens to other/older people, please remember that there’s a first time for everything. Some tips:
- Walk across icy patches with small steps in a flat-footed fashion like a penguin.
- It may not be glamorous, but neither is going A-over-T and breaking (or even just spraining) things.
- Use a handrail if available, even if you don’t think you need to.
You can also check out our previous article about falling (avoiding falling, minimizing the damage of falling, etc):
Fall Special: Some Fall-Themed Advice
Take care!
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8 Signs Of Hypothyroidism Beyond Tiredness & Weight Gain
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When it comes to hypothyroidism, most people know to look out for tiredness and weight gain, and possibly menstrual disturbances in those who menstruate. But those symptoms could be caused by very many things, so what more specific signs and symptoms of hypothyroidism should we look out for?
Dr. James O’Donovan shows us in this short video:
The lesser-known signs
Dr. O’Donovan discusses:
- Asteatotic eczema (also called: eczema craquelé): dry, cracked skin with a “crazy paving” appearance, leading to fissures. It’s common on the lower legs, back, torso, and arms, especially in older patients and especially in winter.
- Cold peripheries with pale, dry, coarse skin: cold hands and feet, along with dryness due to decreased sweating; these invariably come together, though the exact link is unclear.
- Yellowish hue to the skin (carotenoderma): yellow-orange discoloration from elevated beta-carotene levels. This can easily be mistaken for jaundice and also occurs in diabetes, liver, and kidney diseases.
- Thin, brittle hair: the hair on one’s head may become dry, coarse, and fall out in handfuls.
- Loss of hair on the outer third of eyebrows: thinning or disappearance of hair in this very specific area.
- Slow-growing, rigid, brittle nails: slowed nail growth due to decreased cell turnover rate. Ridges may form as keratin cells accumulate.
- Myxedema: puffy face, eyelids, legs, and feet caused by tissue swelling from cutaneous deposition.
- Delayed wound healing: is what it sounds like; a slower healing process.
10almonds note: this video, like much of medical literature as well, does focus on what things are like for white people. Black people with hypothyroidism are more likely to see a lightening of hair pigmentation, and, in contrast, hyperpigmentation of the skin, usually in patches. We couldn’t find data for other ethnicities or skintones, but it does seem that most of the signs and symptoms (unrelated to pigmentation) should be the same for most people.
Meanwhile, for more on the above 8 signs, with visuals, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
The Three Rs To Boost Thyroid-Related Energy Levels
Take care!
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It’s OK That You’re Not OK – by Megan Devine
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.
Firstly, be aware: this is not a cheerful book. If you’re looking for something to life your mood after a loss, it will not be this.
What, then, will you find? A reminder that grief is also the final translation of love, and not necessarily something to be put aside as quickly as possible—or even ever, if we don’t want to.
Too often, society (and even therapists) will correctly note that no two instances of grief are the same (after all, no two people are, so definitely no two relationships are, so how could two instances of grief be?), but will still expect that if most people can move on quickly from most losses, that you should too, and that if you don’t then there is something pathological at hand that needs fixing.
Part one of the book covers this (and more) in a lot of detail; critics have called it a diatribe against the current status quo in the field of grief.
Part two of the book is about “what to do with your grief”, and addresses the reality of grief, how (and why) to stay alive when not doing so feels like a compelling option, dealing with grief’s physical side effects, and calming your mind in ways that actually work (without trying to sweep your grief under a rug).
Parts three and four are more about community—how to navigate the likely unhelpful efforts a lot of people may make in the early days, and when it comes to those people who can and will actually be a support, how to help them to help you.
In the category of criticism, she also plugs her own (paid, subscription-based) online community, which feels a little mercenary, especially as while community definitely can indeed help, the prospect of being promptly exiled from it if you stop paying, doesn’t.
Bottom line: if you have experienced grief and felt like moving on was the right thing to do, then this book isn’t the one for you. If, on the other hand, your grief feels more like something you will carry just as you carry the love you feel for them, then you’ll find a lot about that here.
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The Joy Of Missing Out
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What this is not going to be: a sour grapes thing.
What this is going to be: an exploration of how the grass is greener
on the other side of the fencewherever you water itIt’s easy to feel lonely and isolated, even in today’s increasingly-connected world. We’ve tackled that topic before:
How To Beat Loneliness & Isolation
One of the more passive (but still reasonable) ways of reducing isolation is to simply say “yes” more, which we discussed (along with other more active strategies) here:
When The World Moves Without Us… Can We Side-Step Age-Related Alienation?
But, is there any benefit to be gained from not being in the thick of things?
Sometimes some things associated with isolation are not, in reality, necessarily isolating. See for example:
But, the implications of embracing the “joy of missing out” are much more wide-reaching:
Wherever you are, there you are
You’ve probably read before the phrase “wherever you go, there you are”, but this phrasing brings attention to the fact that you already are where you are.
There are quite possibly aspects of your current life/situation that are not ideal, but take a moment to appreciate where you are in life. At the very least, you are probably in a safe warm dry house with plenty of food available; chances are you have plenty of luxuries too.
See also: How To Get Your Brain On A More Positive Track (Without Toxic Positivity)
And yet, it’s easy to have a fear of missing out. Even billionaires fear they do not have enough and must acquire more in order to be truly secure and fulfilled.
As it goes for material wealth, so it also goes for social wealth—in other words, we may worry about such questions as: on whom can we rely, and who will be there for us if we need them? Do we, ultimately, have enough social capital to be secure?
- For social media influencers, it’ll be follower counts and engagement.
- For the family-oriented, it might be the question of whose house a given holiday gets celebrated at, and who attends, and who does it best.
- In more somber matters, think about funerals, and those where “there was such a huge turnout” vs “almost nobody attended”.
It sure sounds a lot like a dog-eat-dog world in which missing out sucks! But it doesn’t have to.
So let’s recap: your current situation is probably, all things considered, not bad. There is probably much in life to enjoy. If people do not come to your holiday event, then those are not people who would have improved things for you. If people do not attend your funeral even, then well, you yourself will be late, so hey.
Right now though, you are alive, so…
Enjoy the moment; enjoy your life for you.
Invest in yourself. Better yourself. Improve your environment for yourself little by little.
We spend a lot of time in life living up to everyone’s expectations, often without stopping to question whether it is what we want, or sometimes putting aside what we want in favor of what is wanted of us.
- Sometimes, such ostensible altruism is laudable and good (the point of today’s article is not “be a selfish jerk”; sometimes we should indeed shelve our self-interest in favour of doing something for the common good)
- Sometimes, it’s just pointless sacrifice that benefits nobody (the point of today’s article is “there is no point in playing stressful, stacked games when you could have a better time not doing that”)
If you are about to embark on an endeavor that you don’t really want to, take a moment to seriously consider which of the above two situations this is, and then act accordingly.
For a deeper dive into that, you might like this book that we reviewed a while back:
The Joy of Saying No – by Natalie Lue
Enjoy!
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Cranberry juice really can help with UTIs – and reduce reliance on antibiotics
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.
Cranberry juice has been used medicinally for centuries. Our new research indicates it should be a normal aspect of urinary tract infection (UTI) management today.
While some benefits of cranberry compounds for the prevention of UTIs have been suspected for some time, it hasn’t been clear whether the benefits from cranberry juice were simply from drinking more fluid, or something in the fruit itself.
For our study, published this week, we combined and collectively assessed 3,091 participants across more than 20 clinical trials.
Our analysis indicates that increasing liquids reduces the rate of UTIs compared with no treatment, but cranberry in liquid form is even better at reducing UTIs and antibiotic use.
Julie Falk/Flickr, CC BY-NC-ND Are UTIs really that bad?
Urinary tract infections affect more than 50% of women and 20% of men in their lifetime.
Most commonly, UTIs are caused from the bug called Escherichia coli (E.coli). This bug lives harmlessly in our intestines, but can cause infection in the urinary tract. This is why, particularly for women, it is recommended people wipe from front to back after using the toilet.
An untreated UTI can move up to the kidneys and cause even more serious illness.
Even when not managing infection, many people are anxious about contracting a UTI. Sexually active women, pregnant women and older women may all be at increased risk.
Why cranberries?
To cause a UTI, the bacteria need to attach to the wall of the urinary bladder. Increasing fluids helps to flush out bacteria before it attaches (or makes its way up into the bladder).
Some beneficial compounds in cranberry, such as proanthocyanidins (also called condensed tannins), prevent the bacteria from attaching to the wall itself.
While there are treatments, over 90% of the bugs that cause UTIs exhibit some form of microbial resistance. This suggests that they are rapidly changing and some cases of UTI might be left untreatable.
The juice of cranberries has long been thought to have infection-fighting properties. duckeesue/Shutterstock What we found
Our analysis showed a 54% lower rate of UTIs from cranberry juice consumption compared to no treatment. This means that significantly fewer participants who regularly consumed cranberry juice (most commonly around 200 millilitres each day) reported having a UTI during the periods assessed in the studies we analysed.
Cranberry juice was also linked to a 49% lower rate of antibiotic use than placebo liquid and a 59% lower rate than no treatment, based on analysis of indirect and direct effects across six studies. The use of cranberry compounds, whether in drinks or tablet form, also reduced the prevalence of symptoms associated with UTIs.
While some studies we included presented conflicts of interest (such as receiving funding from cranberry companies), we took this “high risk of bias” into account when analysing the data.
The study found extra hydration helped but not to the same extent as cranberry juice. Pixelshot/Shutterstock So, when can cranberry juice help?
We found three main benefits of cranberry juice for UTIs.
1. Reduced rates of infections
Increasing fluids (for example, drinking more water) reduced the prevalence of UTIs, and taking cranberry compounds (such as tablets) was also beneficial. But the most benefits were identified from increasing fluids and taking cranberry compounds at the same time, such as with cranberry juice.
2. Reduced use of antibiotics
The data shows cranberry juice lowers the need to use antibiotics by 59%. This was identified as fewer participants in randomised cranberry juice groups required antibiotics.
Increasing fluid intake also helped reduce antibiotic use (by 25%). But this was not as useful as increasing fluids at the same time as using cranberry compounds.
Cranberry compounds alone (such as tablets without associated increases in fluid intake) did not affect antibiotic use.
3. Reducing symptoms
Taking cranberry compounds (in any form, liquid or tablet) reduced the symptoms of UTIs, as measured in the overall data, by more than five times.
Take home advice
While cranberry juice cannot treat a UTI, it can certainly be part of UTI management.
If you suspect that you have a UTI, see your GP as soon as possible.
Christian Moro, Associate Professor of Science & Medicine, Bond University and Charlotte Phelps, Senior Teaching Fellow, Medical Program, Bond University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Mythbusting Cookware Materials
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In Wednesday’s newsletter, we asked you what kind of cookware you mostly use, and got the above-depicted, below-described, set of responses:
- About 45% said stainless steel
- About 21% said cast iron
- About 15% said non-stick (e.g. Teflon)
- About 9% said enamel
- About 6% said aluminum
- And 1 person selected “something else”, but then commented to the contrary, writing “I use all of the above”
So, what does the science say about these options?
Stainless steel cookware is safe: True or False?
True! Assuming good quality and normal use, anyway. There really isn’t a lot to say about this, because it’s very unexciting. So long as it is what it is labelled as: there’s nothing coating it, nothing comes out of it unless you go to extremes*, and it’s easy to clean.
*If you cook for long durations at very high temperatures, it can leach nickel and chromium into food. What this means in practical terms: if you are using stainless steel to do deep-frying, then maybe stop that, and also consider going easy on deep-frying in general anyway, because obviously deep-frying is unhealthy for other reasons.
Per normal use, however: pretty much the only way (good quality) stainless steel cookware will harm you is if you touch it while it’s hot, or if it falls off a shelf onto your head.
That said, do watch out for cheap stainless steel cookware that can contain a lot of impurities, including heavy metals. Since you probably don’t have a mass spectrometer and/or chemistry lab at home to check for those impurities, your best guard here is simply to buy from a reputable brand with credible certifications.
Ceramic cookware is safe: True or False?
True… Most of the time! Ceramic pans usually have metal parts and a ceramic cooking surface coated with a very thin layer of silicon. Those metal parts will be as safe as the metals used, so if that’s stainless steel, you’re just as safe as the above. As for the silicon, it is famously inert and body-safe (which is why it’s used in body implants).
However: ceramic cookware that doesn’t have an obvious metal part and is marketed as being pure ceramic, will generally be sealed with some kind of glaze that can leach heavy metals contaminants into the food; here’s an example:
Lead toxicity from glazed ceramic cookware
Copper cookware is safe: True or False?
False! This is one we forgot to mention in the poll, as one doesn’t see a lot of it nowadays. The copper from copper pans can leach into food. Now, of course copper is an important mineral that we must get from our diet, but the amount of copper that that can leach into food from copper pans is far too much, and can induce copper toxicity.
In addition, copper cookware has been found to be, on average, highly contaminated with lead:
Non-stick cookware contaminates the food with microplastics: True or False?
True! If we were to discuss all the common non-stick contaminants here, this email would no longer fit (there’s a size limit before it gets clipped by most email services).
Suffice it to say: the non-stick coating, polytetrafluoroethylene, is itself a PFAS, that is to say, part of the category of chemicals considered environmental pollutants, and associated with a long list of health issues in humans (wherein the level of PFAS in our bloodstream is associated with higher incidence of many illnesses):
You may have noticed, of course, that the “non-stick” coating doesn’t stick very well to the pan, either, and will tend to come off over time, even if used carefully.
Also, any kind of wet cooking (e.g. saucepans, skillets, rice cooker inserts) will leach PFAS into the food. In contrast, a non-stick baking tray lined with baking paper (thus: a barrier between the tray and your food) is really not such an issue.
We wrote about PFAS before, so if you’d like a more readable pop-science article than the scientific paper above, then check out:
PFAS Exposure & Cancer: The Numbers Are High
Aluminum cookware contaminates the food with aluminum: True or False?
True! But not usually in sufficient quantities to induce aluminum toxicity, unless you are aluminum pans Georg who eats half a gram of aluminum per day, who is a statistical outlier and should not be counted.
That’s a silly example, but an actual number; the dose required for aluminum toxicity in blood is 100mg/L, and you have about 5 liters of blood.
Unless you are on kidney dialysis (because 95% of aluminum is excreted by the kidneys, and kidney dialysis solution can itself contain aluminum), you will excrete aluminum a lot faster than you can possibly absorb it from cookware. On the other hand, you can get too much of it from it being a permitted additive in foods and medications, for example if you are taking antacids they often have a lot of aluminum oxide in them—but that is outside the scope of today’s article.
However, aluminum may not be the real problem in aluminum pans:
❝In addition, aluminum (3.2 ± 0.25 to 4.64 ± 0.20 g/kg) and copper cookware (2.90 ± 0.12 g/kg) were highly contaminated with lead.
The time and pH-dependent study revealed that leaching of metals (Al, Pb, Ni, Cr, Cd, Cu, and Fe, etc.) into food was predominantly from anodized and non-anodized aluminum cookware.
More metal leaching was observed from new aluminum cookware compared to old. Acidic food was found to cause more metals to leach during cooking.❞
~ the same paper we cited when talking about copper
Cast iron cookware contaminates the food with iron: True or False?
True, but unlike with the other metals discussed, this is purely a positive, and indeed, it’s even recommended as a good way to fortify one’s diet with iron:
The only notable counterpoint we could find for this is if you have hemochromatosis, a disorder in which the body is too good at absorbing iron and holding onto it.
Thinking of getting some new cookware?
Here are some example products of high-quality safe materials on Amazon, but of course feel free to shop around:
Stainless Steel | Ceramic* | Cast Iron
*it says “non-stick” in the description, but don’t worry, it’s ceramic, not Teflon etc, and is safe
Bonus: rice cooker with stainless steel inner pot
Take care!
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No-Frills, Evidence-Based Mindfulness
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What’s on your mind, really?
We hear a lot about “the evidence-based benefits of mindfulness”, but what actually are they? And what is the evidence? And, perhaps most importantly: how do we do it?
What are the benefits?
The benefits of mindfulness are many, and include:
- reducing stress
- reducing pain
- improving quality of life
- reducing fatigue
- providing relief from digestive disorders
- reducing symptoms of sleep disorders
- improving immune response
- providing support for caregivers
The evidence is also abundant, and includes:
- Effects of mindfulness exercises as stand-alone intervention on symptoms of anxiety and depression: Systematic review and meta-analysis
- Fusing character strengths and mindfulness interventions: Benefits for satisfaction and performance
- Evidence for the Role of Mindfulness in Cancer: Benefits and Techniques
- Effects of mindfulness-based stress reduction on anxiety symptoms: A systematic review and meta-analysis
- The benefits of meditation and mindfulness practices during times of crisis such as COVID-19
Sounds great… What actually is it, though?
Mindfulness is the state of being attentive to one’s mind. This is at its heart a meditative practice, but that doesn’t necessarily mean you have to be sitting in the lotus position with candles—mindfulness can be built into any daily activity, or even no activity at all.
An exercise you can try right now:
Take a moment to notice everything you can hear. For this writer, that includes:
- The noise of my keystrokes as I type
- The ticking of the clock on the wall
- The gentle humming of my computer’s processor
- The higher-pitched noise of my computer’s monitor
- Birdsong outside
- Traffic further away
- My own breathing
- The sound of my eyelids as I blink
Whatever it is for you, notice how much you can notice that you had previously taken for granted.
You can repeat this exercise with other senses, by the way! For example:
- Notice five things you can see in your immediate environment that you’ve never noticed before. If you’re at home reading this, you probably think you’re very familiar with everything around you, but now see that mark on the wall you’d never noticed before, or a quirk of some electrical wiring, or the stitching on some furnishing, for example.
- Notice the textures of your clothes, or your face, or perhaps an object you’ve never paid attention to touching before. Your fingertips, unless you have some special reason this doesn’t apply to you, are far more sensitive than you probably give them credit for, and can notice the tiniest differentiation in textures, so take a moment to do that now.
- Mindful eating can be an especially healthful practice because it requires that we pay every attention to what we’re putting in our mouth, tasting, chewing, swallowing. No more thoughtlessly downing a box of cookies; every bite is now an experience. On the one hand, you’ll probably eat less at a sitting. On the other hand, what a sensory experience! It really reminds one that life is for living, not just for zipping through at a speed-run pace!
What about mindfulness as a meditative practice?
Well, those are meditative practices! But yes, mindfulness goes for more formal meditation too. For example:
Sit comfortably, with good posture, whatever that means to you. No need to get too caught up in the physical mechanics here—it’d take a whole article. For now, if you’re sitting and comfortable, that’s enough.
Notice your breathing. No need to try to control it—that’s not what this is about today. Just notice it. The in, the out, whether you breathe to your chest or abdomen, through your nose or mouth, don’t worry about doing it “right”, just notice what you are doing. Observe without judgement.
Notice your thoughts—no need to try to stop them. Notice noticing your thoughts, and again, observe without judgement. Notice your feelings; are you angry, hopeful, stressed, serene? There are no wrong answers here, and there’s nothing you should try to “correct”. Just observe. No judgement, only observe. Watch your thoughts, and watch your thoughts go.
Did you forget about your breathing while watching your thoughts? Don’t worry about that either if so, just notice that it happened. If you have any feelings about that, notice them too, and carry on observing.
We go through so much of our lives in “autopilot”, that it can be an amazing experience to sometimes just “be”—and be aware of being.
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