Make Your Saliva Better For Your Teeth

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A new study has highlighted the importance of lifestyle factors in shaping the oral microbiome—that is to say, how the things we do affect the bacteria that live in our mouths:

Nepali oral microbiomes reflect a gradient of lifestyles from traditional to industrialized

Neither the study title nor the abstract elucidate how, exactly, one impacts the other, but the study itself does (of course) contain that information; we read it, and the short version is:

In terms of the extremes of “most traditional” to “most industrialized”, foragers have the most diverse oral microbiomes (that’s good), and people with an American industrialized lifestyle had the least diverse oral microbiomes (that’s bad). Between the two extremes, we see the gradient promised by the title.

If you do feel like checking it out, Figure 3 in the paper illustrates this nicely.

Also illustrated in the above-linked Figure 3 is oral microbiome composition. In other words (and to oversimplify it rather), how good or bad our mouth bacteria are for us, independent of diversity (so for example, are there more of this or that kind of bacteria).

Once again, there is a gradient, only this time, the ends of it are even more polarized: foragers have a diverse oral microbiome rich with healthy-for-humans bacteria, while people with an American industrialized lifestyle might not have the diversity, but do have a large number of bad-for-humans bacteria.

While many lifestyle factors are dietary or quasi-dietary, e.g. what kinds of foods people eat, whether they drink alcohol, whether they smoke or use gum, etc, many lifestyle factors were examined, including everything from medications and exercise, to things like kitchen location and what fuel is predominantly used, to education and sexual activity and many other things that we don’t have room for here.

You can see how each lifestyle factor stacked up, in Figure 5.

Why it matters

Our oral microbiome affects many aspects of health, including:

  • Locally: caries, periodontal diseases, mucosal diseases, oral cancer, and more
  • Systemically: gastrointestinal diseases in general, IBS in particular, nervous system diseases, Alzheimer’s disease, endocrine diseases, all manner of immune/autoimmune diseases, and more

Nor are the effects it has mild; oral microbiome health can be a huge factor, statistically, for many of the above. You can see information and data pertaining to all of the above and more, here:

Oral microbiomes: more and more importance in oral cavity and whole body

What to do about it

Take care of your oral microbiome, to help it to take care of you. As well as the above-mentioned lifestyle factors, it’s worth noting that when it comes to oral hygiene, not all oral hygiene products are created equal:

Toothpastes & Mouthwashes: Which Kinds Help, And Which Kinds Harm?

Additionally, you might want to consider gentler options, but if you do, take care to opt for things that science actually backs., rather than things that merely trended on social media.

This writer (hi, it’s me) is particularly excited about the science and use of the miswak stick, which comes from the Saladora persica tree, and has phytochemical properties that (amongst many other health-giving effects) improve the quality of saliva (i.e., improve its pH and microbiome composition). In essence, your own saliva gets biochemically nudged into being the safest, most effective mouthwash.

There’s a lot of science for the use of S. persica, and we’ve discussed it before in more detail than we have room to rehash today, here:

Less Common Oral Hygiene Options

If you’d like to enjoy these benefits (and also have the equivalent of a toothbrush that you can carry with you at all times and does not require water*), then here’s an example product on Amazon 😎

*don’t worry, it won’t feel like dry-brushing your teeth. Remember what we said about what it does to your saliva. Basically, you chomp it once, and your saliva a) increases and b) becomes biological tooth-cleaning fluid. The stick itself is fibrous, so the end of it frays in a way that makes a natural little brush. Each stick is about 5”×¼” and you can carry it in a little carrying case (you’ll get a couple with each pack of miswak sticks), so you can easily use it in, say, the restroom of a restaurant or before your appointment somewhere, just as easily as you could use a toothpick, but with much better results. You may be wondering how long a stick lasts; well, that depends on how much you use it, but in this writer’s experience, each stick lasts about a month maybe, using it at least 2–3 times per day, probably rather more since I use it after each meal/snack and upon awakening.

(the above may read like an ad, but we promise you it’s not sponsored and this writer’s just enthusiastic, and when you read the science, you will be too)

Enjoy!

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  • I can’t afford olive oil. What else can I use?

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    If you buy your olive oil in bulk, you’ve likely been in for a shock in recent weeks. Major supermarkets have been selling olive oil for up to A$65 for a four-litre tin, and up to $26 for a 750 millilitre bottle.

    We’ve been hearing about the health benefits of olive oil for years. And many of us are adding it to salads, or baking and frying with it.

    But during a cost-of-living crisis, these high prices can put olive oil out of reach.

    Let’s take a look at why olive oil is in demand, why it’s so expensive right now, and what to do until prices come down.

    Joyisjoyful/Shutterstock

    Remind me, why is olive oil so good for you?

    Including olive oil in your diet can reduce your risk of developing type 2 diabetes and improve heart health through more favourable blood pressure, inflammation and cholesterol levels.

    This is largely because olive oil is high in monounsaturated fatty acids and polyphenols (antioxidants).

    Some researchers have suggested you can get these benefits from consuming up to 20 grams a day. That’s equivalent to about five teaspoons of olive oil.

    Why is olive oil so expensive right now?

    A European heatwave and drought have limited Spanish and Italian producers’ ability to supply olive oil to international markets, including Australia.

    This has been coupled with an unusually cold and short growing season for Australian olive oil suppliers.

    The lower-than-usual production and supply of olive oil, together with heightened demand from shoppers, means prices have gone up.

    Green olives on tree
    We’ve seen unfavourable growing conditions in Europe and Australia. KaMay/Shutterstock

    How can I make my olive oil go further?

    Many households buy olive oil in large quantities because it is cheaper per litre. So, if you have some still in stock, you can make it go further by:

    • storing it correctly – make sure the lid is on tightly and it’s kept in a cool, dark place, such as a pantry or cabinet. If stored this way, olive oil can typically last 12–18 months
    • using a spray – sprays distribute oil more evenly than pourers, using less olive oil overall. You could buy a spray bottle to fill from a large tin, as needed
    • straining or freezing it – if you have leftover olive oil after frying, strain it and reuse it for other fried dishes. You could also freeze this used oil in an airtight container, then thaw and fry with it later, without affecting the oil’s taste and other characteristics. But for dressings, only use fresh oil.

    I’ve run out of olive oil. What else can I use?

    Here are some healthy and cheaper alternatives to olive oil:

    • canola oil is a good alternative for frying. It’s relatively low in saturated fat so is generally considered healthy. Like olive oil, it is high in healthy monounsaturated fats. Cost? Up to $6 for a 750mL bottle (home brand is about half the price)
    • sunflower oil is a great alternative to use on salads or for frying. It has a mild flavour that does not overwhelm other ingredients. Some studies suggest using sunflower oil may help reduce your risk of heart disease by lowering LDL (bad) cholesterol and raising HDL (good) cholesterol. Cost? Up to $6.50 for a 750mL bottle (again, home brand is about half the price)
    • sesame oil has a nutty flavour. It’s good for Asian dressings, and frying. Light sesame oil is typically used as a neutral cooking oil, while the toasted type is used to flavour sauces. Sesame oil is high in antioxidants and has some anti-inflammatory properties. Sesame oil is generally sold in smaller bottles than canola or sunflower oil. Cost? Up to $5 for a 150mL bottle.
    Rows of vegetable oil bottles
    There are plenty of alternative oils you can use in salads or for frying. narai chal/Shutterstock

    How can I use less oil, generally?

    Using less oil in your cooking could keep your meals healthy. Here are some alternatives and cooking techniques:

    • use alternatives for baking – unless you are making an olive oil cake, if your recipe calls for a large quantity of oil, try using an alternative such as apple sauce, Greek yoghurt or mashed banana
    • use non-stick cookware – using high-quality, non-stick pots and pans reduces the need for oil when cooking, or means you don’t need oil at all
    • steam instead – steam vegetables, fish and poultry to retain nutrients and moisture without adding oil
    • bake or roast – potatoes, vegetables or chicken can be baked or roasted rather than fried. You can still achieve crispy textures without needing excessive oil
    • grill – the natural fats in meat and vegetables can help keep ingredients moist, without using oil
    • use stock – instead of sautéing vegetables in oil, try using vegetable broth or stock to add flavour
    • try vinegar or citrus – use vinegar or citrus juice (such as lemon or lime) to add flavour to salads, marinades and sauces without relying on oil
    • use natural moisture – use the natural moisture in ingredients such as tomatoes, onions and mushrooms to cook dishes without adding extra oil. They release moisture as they cook, helping to prevent sticking.

    Lauren Ball, Professor of Community Health and Wellbeing, The University of Queensland and Emily Burch, Accredited Practising Dietitian and Lecturer, Southern Cross University

    This article is republished from The Conversation under a Creative Commons license. Read the original article.

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  • The Stress Prescription (Against Aging!)

    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.

    The Stress Prescription (Against Aging!)

    This is Dr. Elissa Epel, whose work has for the past 20 years specialized in the effect of stress on aging. She’s led groundbreaking research on cortisol, telomeres, and telomerase, all in the context of aging, especially in women, as well as the relationship between stress and weight gain. She was elected member of the National Academy of Medicine for her work on stress pathways, and has been recognized as a key “Influencer in Aging” by the Alliance for Aging Research.

    Indeed, she’s also been named in the top 0.1% of researchers globally, in terms of publication impact.

    What’s that about stress and aging?

    In her words,

    ❝Women with the highest levels of perceived stress have telomeres shorter on average by the equivalent of at least one decade of additional aging compared to low stress women❞

    Source: Accelerated telomere shortening in response to life stress

    We say “in her words”, as she is the top-listed author on this paper—an honour reserved for the lead researcher of any given study/paper.

    However, we’d be remiss not to note that the second-listed author is Nobel Prize Laureate Dr. Elizabeth Blackburn. What a team! Maybe we’ll do a spotlight feature on Dr. Blackburn’s work one of these days, but for now, back to Dr. Epel…

    What does she want us to do about it?

    She has the following advice for us:

    Let go of what we can’t control

    This one is simple enough, and can be as simple as learning how to set anxiety aside, and taking up the practice of radical acceptance of what we cannot control.

    Be challenged, not afraid

    This is about eustress, and being the lion, not the gazelle. Dr. Epel uses the example of how when lions are hunting gazelles, both are stressed, but both are feeling the physiological effects of that stress in terms of the augmentation to their immediate abilities, but only one of them is suffering by it.

    We’ll let her explain how to leverage this:

    TED ideas | Here’s how you can handle stress like a lion, not a gazelle | Dr. Elissa Epel

    Build resilience through controlled discomfort

    Don’t worry, you don’t have to get chased by lions. A cold shower will do it! This is about making use of hormesis, the body’s ability to build resilience to stressors by small doses of controlled cortisol release—as for example when one undergoes thermal shock, which sounds drastic, but for most people, a cold shower (or even an ice bath) is safe enough.

    You can read more about this here:

    A Cold Shower A Day Keeps The Doctor Away

    Connect with nature

    You don’t have to hug a tree, but you do have get to a natural (or at least, natural-seeming) environment once in a while. Simply put, we did not evolve to be in the urban or even suburban settings where most of us spend most of our time. Getting to be around greenery with at least some kind of regularity is hugely beneficial. It doesn’t have to be a national park; a nice garden or local park can suffice, and potted plants at home are better than nothing. Even spending time in virtual reality “nature” is an option:

    Effect of Virtual Reality on Stress Reduction and Change of Physiological Parameters Including Heart Rate Variability in People With High Stress: An Open Randomized Crossover Trial

    (you can see an example there, of the kind of scenery this study used)

    Breathe deeply, and rest deeply

    Mindful breathing, and good quality sleep, are very strongly evidence-based approaches to reduce stress, for example:

    Practice gratitude to build optimism

    Optimism has a huge positive impact on health outcomes, even when other factors (including socioeconomic factors, pre-existing conditions, and general reasons for one person to be more optimistic than another) are controlled for.

    Read: Optimism and Cause-Specific Mortality: A Prospective Cohort Study

    There are various ways to increase optimism, and practising gratitude is one of them—but that doesn’t necessarily mean abandoning realism, either:

    How To Practise (Non-Toxic) Positivity

    There are other ways too, though, and Dr. Epel discusses some with her friend and colleague, Dr. Elizabeth Blackburn, here:

    TED ideas | Could your thoughts make you age faster? And can we reverse that? | Dr. Elizabeth Blackburn & Dr. Elissa Epel

    Want to learn more from Dr. Epel?

    We reviewed one of her books, The Telomere Effect, previously. It’s about what we can do to lengthen our telomeres (a key factor in health aging; effectively, being biologically younger). You also might enjoy her newer book, The Stress Prescription, as well as her blog.

    Enjoy!

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  • Bread & Weight Gain/Loss: What’s The Truth?

    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!

    No question/request too big or small 😎

    ❝Every now and again I try quitting bread to lose some weight and it works, but it always seems to come back and then I eat bread again anyway. Is there a way to break out of this cycle?❞

    Yes! You can break out of that cycle by simply enjoying bread in moderation without quitting (and then you will certainly not be in the cycle of quitting it and restarting it).

    However, to give an answer that’s probably more in the spirit of your question:

    Firstly, know that a lot of the short-term benefits of quitting bread are unrelated to fat loss. We’ve covered this part before, and in few words:

    Cutting bread for 30 days can lead to weight loss for some people, but the initial change is often more a matter of reduced water retention and bloating rather than immediate fat loss. In particular, it’s common for people feel lighter within the first week or so because reducing fermentable carbohydrates can decrease gas production and resultant digestive discomfort, especially in those with sensitive guts.

    You can read more about this, here: Does Quitting Bread For 30 Days Trigger Weight Loss?

    Next, understand that oftentimes the issue is not the bread, so much as the glycemic index thereof, and this can vary wildly from one bread to another.

    We wrote about this, here: Is Flour As Bad As Sugar?

    And more broadly, here: Grains: Bread Of Life, Or Cereal Killer?

    Lastly (for today), there’s some recent science that indicates the issue with bread is actually in your non-bread dietary components.

    Researchers (Dr. Miona Marutani et al.) found that mice given access to carbohydrate-heavy foods like bread, rice, and wheat strongly preferred them over standard mouse food and gained body fat despite eating roughly the same number of calories.

    In other words, the body fat gain wasn’t about eating more bread; it was about eating less of the other food!

    You can read the paper itself, here: Wheat Flour Intake Promotes Weight Gain and Metabolic Changes in Mice

    Now, this was a mouse study and may or may not be replicated in humans, but it at the very least presents us with an important reminder of the value of positive dieting, that is to say, worrying less about what to exclude from our diets, and more about what to include, to ensure we get good, diverse, nutrient coverage.

    Yes, even if your goal is fat loss, making conscious choices about what to include, rather than what to exclude, can help a lot.

    For more on that, enjoy: Intuitive Eating Might Not Be What You Think

    Want to enjoy bread, healthily?

    As we’ve said, moderation is key, as we as a focus on making sure to include plenty of good nutrients.

    There are several ways to do this, including:

    • A healthy sandwich with lots of nutritious things inside!
    • Healthy things on toast (avocado toast is a great example)
    • Soup with bread (just make sure there’s plenty of healthy stuff in the soup!)

    Another approach (which can be done in tandem with the above) is to make healthier, non-wheat bread, for example:

    Enjoy!

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  • What Happened to You? – by Dr. Bruce Perry and Oprah Winfrey

    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.

    The very title “What Happened To You?” starts with an assumption that the reader has suffered trauma. This is not just a sample bias of “a person who picks up a book about healing from trauma has probably suffered trauma”, but is also a statistically safe assumption. Around 60% of adults report having suffered some kind of serious trauma.

    The authors examine, as the subtitle suggests, these matters in three parts:

    1. Trauma
    2. Resilience
    3. Healing

    Trauma can take many forms; sometimes it is a very obvious dramatic traumatic event; sometimes less so. Sometimes it can be a mountain of small things that eroded our strength leaving us broken. But what then, of resilience?

    Resilience (in psychology, anyway) is not imperviousness; it is the ability to suffer and recover from things.

    Healing is the tail-end part of that. When we have undergone trauma, displayed whatever amount of resilience we could at the time, and now have outgrown our coping strategies and looking to genuinely heal.

    The authors present many personal stories and case studies to illustrate different kinds of trauma and resilience, and then go on to outline what we can do to grow from there.

    Bottom line: if you or a loved one has suffered trauma, this book may help a lot in understanding and processing that, and finding a way forwards from it.

    Click here to check out “What Happened To You?” and give yourself what you deserve.

    Don’t Forget…

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    Learn to Age Gracefully

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  • Food for Thought – by Lorraine Perretta

    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.

    What are “brain foods”? If you think for a moment, you can probably list a few. What this book does is better.

    As well as providing the promised 50 recipes (which themselves are varied, good, and easy), Perretta explains the science of very many brain-healthy ingredients. Not just that, but also the science of a lot of brain-unhealthy ingredients. In the latter case, probably things you already knew to stay away from, but still, it’s a good reminder of one more reason why.

    Nor does she merely sort things into brain-healthy (or brain-unhealthy, or brain-neutral), but rather she gives lists of “this for memory” and “this against depression” and “this for cognition” and “this against stress” and so forth.

    Perhaps the greatest value of this book is in that; her clear explanations with science that’s simplified but not dumbed down. The recipes are definitely great too, though!

    Bottom line: if you’d like to eat more for brain health, this book will give you many ways of doing so

    Click here to check out Food for Thought, and upgrade your recipes!

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  • The Menopause Manifesto – by Dr. Jen Gunter

    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.

    From the subtitle, you may wonder: with facts and feminism? Is this book about biology or sociology?

    And the answer is: both. It’s about biology, principally, but without ignoring the context. We do indeed “live in a society”, and that affects everything from our healthcare options to what is expected of us as women.

    So, as a warning: if you dislike science and/or feminism, you won’t like this book.

    Dr. Jen Gunter, herself a gynaecologist, is here to arm us with science-based facts, to demystify an important part of life that is commonly glossed over.

    She talks first about the what/why/when/how of menopause, and then delivers practical advice. She also talks about the many things we can (and can’t!) usefully do about symptoms we might not want, and how to look after our health overall in the context of menopause. We learn what natural remedies do or don’t work and/or can be actively harmful, and we learn the ins and outs of different hormone therapy options too.

    Bottom line: no matter whether you are pre-, peri-, or post-menopausal, this is the no-BS guide you’ve been looking for. Same goes if you’re none of the above but spend any amount of time close to someone who is.

    Click here to check out The Menopause Manifesto, and understand better the changes in your (and/or your loved one’s) body!

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