White Noise vs Pink Noise
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It’s Q&A Day at 10almonds!
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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 live in a large city and even late at night there is always a bit of background noise. While I am pretty used to it by now, I find I don’t sleep nearly as well in the city as I do in the country. I have seen some stuff about “white noise” generators. I was wondering whether you have any thoughts about the science behind these, and whether it is something I should try out – or maybe I should be trying something completly different.❞
The science says…
❝Our data show that white noise significantly improved sleep based on subjective and objective measurements in subjects complaining of difficulty sleeping due to high levels of environmental noise. This suggests that the application of white noise may be an effective tool in helping to improve sleep in those settings.❞
That said, you might also consider “pink noise”, which is very similar to white noise (having all frequencies normally audible to the human ear), but has greater intensity of lower frequencies, creating a more deep and even sound. While white noise and pink noise are both great at “muting” external sounds like those that have been disturbing your sleep, pink noise may have an advantage in helping to stimulate deep and restful sleep:
❝This study demonstrates that steady pink noise has significant effect on reducing brain wave complexity and inducing more stable sleep time to improve sleep quality of individuals.❞
Source: Pink noise: effect on complexity synchronization of brain activity and sleep consolidation
There may be extra benefits to pink noise, too:
Acoustic Enhancement of Sleep Slow Oscillations and Concomitant Memory Improvement in Older Adults
Rest well!
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Scarcity Brain – by Michael Easter
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After a brief overview of theevolutionary psychology underpinnings of the scarcity brain, the author grounds the rest of this book firmly in the present. He explains how the scarcity loop hooks us and why we crave more, and what factors can increase or lessen its hold over us.
As for what things we are wired to consider “potentially scarce any time now” no matter how saturated we are in them, he looks at an array of categories, each with their nuances. From the obvious such as “food” and “stuff“, to understandable “information” and “happiness“, to abstractions like “influence“, he goes to many sources—experts of various kinds from around the world—to explore how we can know “how much is enough”, and—which can be harder—act accordingly.
The key, he argues, is not in simply wanting less, but in understanding why we crave more in the first place, get rid of our worst habits, and use what we already have, better.
Bottom line: if you feel a gnawing sense of needing more “to be on the safe side”, this book can help you to be a little more strategic (and at the same time, less stressed!) about that.
Click here to check out Scarcity Brain, and manage yours more mindfully!
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Yes, you do need to clean your tongue. Here’s how and why
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Has your doctor asked you to stick out your tongue and say “aaah”? While the GP assesses your throat, they’re also checking out your tongue, which can reveal a lot about your health.
The doctor will look for any changes in the tongue’s surface or how it moves. This can indicate issues in the mouth itself, as well as the state of your overall health and immunity.
But there’s no need to wait for a trip to the doctor. Cleaning your tongue twice a day can help you check how your tongue looks and feels – and improve your breath.
luisrsphoto/Shutterstock What does a healthy tongue look like?
Our tongue plays a crucial role in eating, talking and other vital functions. It is not a single muscle but rather a muscular organ, made up of eight muscle pairs that help it move.
The surface of the tongue is covered by tiny bumps that can be seen and felt, called papillae, giving it a rough surface.
These are sometimes mistaken for taste buds – they’re not. Of your 200,000-300,000 papillae, only a small fraction contain taste buds. Adults have up to 10,000 taste buds and they are invisible to the naked eye, concentrated mainly on the tip, sides and back of the tongue. https://www.youtube.com/embed/uYvpUl7li9Y?wmode=transparent&start=0
A healthy tongue is pink although the shade may vary from person to person, ranging from dark to light pink.
A small amount of white coating can be normal. But significant changes or discolouration may indicate a disease or other issues.
How should I clean my tongue?
Cleaning your tongue only takes around 10-15 seconds, but it’s is a good way to check in with your health and can easily be incorporated into your teeth brushing routine.
Build-up can occur if you stop brushing or scraping your tongue even for a few days. Anthony Shkraba/Pexels You can clean your tongue by gently scrubbing it with a regular toothbrush. This dislodges any food debris and helps prevent microbes building up on its rough textured surface.
Or you can use a special tongue scraper. These curved instruments are made of metal or plastic, and can be used alone or accompanied by scrubbing with your toothbrush.
Your co-workers will thank you as well – cleaning your tongue can help combat stinky breath. Tongue scrapers are particularly effective at removing the bacteria that commonly causes bad breath, hidden in the tongue’s surface.
What’s that stuff on my tongue?
So, you’re checking your tongue during your twice-daily clean, and you notice something different. Noting these signs is the first step. If you observe any changes and they worry you, you should talk to your GP.
Here’s what your tongue might be telling you.
White coating
Developing a white coating on the tongue’s surface is one of the most common changes in healthy people. This can happen if you stop brushing or scraping the tongue, even for a few days.
In this case, food debris and microbes have accumulated and caused plaque. Gentle scrubbing or scraping will remove this coating. Removing microbes reduces the risk of chronic infections, which can be transferred to other organs and cause serious illnesses.
Scrubbing or scraping your tongue only takes around ten seconds and can be done while brushing your teeth. Ketut Subiyanto/Pexels Yellow coating
This may indicate oral thrush, a fungal infection that leaves a raw surface when scrubbed.
Oral thrush is common in elderly people who take multiple medications or have diabetes. It can also affect children and young adults after an illness, due to the temporary suppression of the immune system or antibiotic use.
If you have oral thrush, a doctor will usually prescribe a course of anti-fungal medication for at least a month.
Black coating
Smoking or consuming a lot of strong-coloured food and drink – such as tea and coffee, or dishes with tumeric – can cause a furry appearance. This is known as a black hairy tongue. It’s not hair, but an overgrowth of bacteria which may indicate poor oral hygiene.
Smoking can add to poor oral hygiene and make the tongue look black. Sophon Nawit/Shutterstock Pink patches
Pink patches surrounded by a white border can make your tongue look like a map – this is called “geographic tongue”. It’s not known what causes this condition, which usually doesn’t require treatment.
Pain and inflammation
A red, sore tongue can indicate a range of issues, including:
- nutritional deficiencies such as folic acid or vitamin B12
- diseases including pernicious anaemia, Kawasaki disease and scarlet fever
- inflammation known as glossitis
- injury from hot beverages or food
- ulcers, including cold sores and canker sores
- burning mouth syndrome.
Dryness
Many medications can cause dry mouth, also called xerostomia. These include antidepressants, anti-psychotics, muscle relaxants, pain killers, antihistamines and diuretics. If your mouth is very dry, it may hurt.
What about cancer?
White or red patches on the tongue that can’t be scraped off, are long-standing or growing need to checked out by a dental professional as soon as possible, as do painless ulcers. These are at a higher risk of turning into cancer, compared to other parts of the mouth.
Oral cancers have low survival rates due to delayed detection – and they are on the rise. So checking your tongue for changes in colour, texture, sore spots or ulcers is critical.
Dileep Sharma, Professor and Head of Discipline – Oral Health, University of Newcastle
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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The Art and Science of Connection – by Kasley Killam, MPH
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We can eat well, exercise well, and even sleep well, and we’ll still have a +53% increased all-cause mortality if we lack social connection—even if we technically have support and access to social resources, just not the real human connection itself. And as we get older, it gets increasingly easy to find ourselves isolated.
The author is a social scientist by profession, and it shows. None of what she shares in the book is wishy-washy; it has abundant scientific references coming thick and fast, and a great deal of clarity with regard to terms, something often not found in books of this genre that lean more towards the art than the science.
On which note, for the reader who may be thinking “I am indeed quite alone”, she also offers proven techniques for remedying that; not in the way that many books use the word “proven” to mean “we got some testimonials”, but rather, proven in the sense of “we did science to it and based on these 17 large population-based retrospective cohort studies, we can say with 99% confidence that this is an effective tool to mediate improved social bonds and social health outcomes”.
To this end, it’s a very practical book also, and should bestow upon any isolated reader a sense of confidence that in fact, things can be better. A particular strength is that it also looks at many different scenarios, so for the “what if I…” people with clear reasons why social connection is not abundantly available, yes, she has such cases covered too.
Bottom line: if you’d like to live more healthily for longer, social health is an underrated and oft-forgotten way of greatly increasing those things, by science.
Click here to check out The Art And Science Of Social Connection, and get connected!
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16 Overlooked Autistic Traits In Women
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We hear a lot about “autism moms”, but Taylor Heaton is an autistic mom, diagnosed as an adult, and she has insights to share about overlooked autistic traits in women.
The Traits
- Difficulty navigating romantic relationships: often due to misreading signs
- Difficulty understanding things: including the above, but mostly: difficulty understanding subtext, when people leave things as “surely obvious”. Autistic women are likely to be aware of the possible meanings, but unsure which it might be, and may well guess wrongly.
- Masking: one of the reasons for the gender disparity in diagnosis is that autistic women are often better at “masking”, that is to say, making a conscious effort to blend in to allistic society—often as a result of being more societally pressured to do so.
- Honesty: often to a fault
- Copy and paste: related to masking, this is about consciously mirroring others in an effort to put them at ease and be accepted
- Being labelled sensitive and/or gifted: usually this comes at a young age, but the resultant different treatment can have a lifetime effect
- Secret stims: again related to masking, and again for the same reasons that displaying autistic symptoms is often treated worse in women, autistic women’s stims tend to be more subtle.
- Written communication: autistic women are often more comfortable with the written word than the spoken
- Leadership: autistic women will often gravitate to leadership roles, partly as a survival mechanism
- Gaslighting: oneself, e.g. “If this person did this without that, then I can to” (without taking into account that maybe the circumstances are different, or maybe they actually did lean on crutches that you didn’t know were there, etc).
- Inner dialogue: rich inner dialogue, but unable to express it outwardly—often because of the sheer volume of thoughts per second.
- Fewer female friends: often few friends overall, for that matter, but there’s often a gender imbalance towards male friends, or where there isn’t, towards more masculine friends at least.
- Feeling different: often a matter of feeling one does not meet standard expectations in some fashion
- School: autistic women are often academically successful
- Special interests: often more “socially accepted” interests than autistic men’s.
- Flirting: autistic women are often unsure how to flirt or what to do about it, which can result in simple directness instead
For more details on all of these, enjoy:
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Related reading:
You might like a main feature of ours from not long back:
Miss Diagnosis: Anxiety, ADHD, & Women
Take care!
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16/8 Intermittent Fasting For Beginners
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Health Insider explains in super-simple fashion why and how to do Intermittent Fasting (IF), which is something that can sound complicated at first, but becomes very simple and easy once understood.
What do we need to know?
Intermittent fasting (IF) is a good, well-evidenced way to ease your body’s metabolic load, and
give your organs a chance to recover from the strain of digestion and its effects. That’s not just your gastrointestinal organs! It’s your pancreas and liver too, amongst others—this is about glucose metabolism as much as it is about digestion.This, in turn, allows your body some downtime to do its favorite thing, which is: maintenance!
This maintenance takes the form of enhanced cellular apoptosis and autophagy, helping to keep cells young and cancer-free.
In other words, with well-practised intermittent fasting, we can reduce our risk of metabolic disease (including heart disease and diabetes) as well as cancer and neurodegeneration.
You may be wondering: this sounds miraculous; what’s the catch? There are a couple:
- While fasting from food, the body’s enhanced metabolism requires more water, so you’ll need to take extra care keep on top of your hydration (this is one reason why Ramadan fasting, while healthy for most people, is not as healthy as IF—because Ramadan fasting means abstaining from water, too).
- If you are diabetic, and especially if you have Type 1 Diabetes, fasting may not be a safe option for you, since if you get a hypo in the middle of your fasting period, it’s obviously not a good idea to wait another many hours before fixing it.
Extra note on that last one: it’s easy to think “can’t I just lower my bolus insulin instead of eating?” and while superficially yes that will raise your blood sugar levels, it’s because the sugar will be sticking around in your blood, and not actually getting released into the organs that need it. So while your blood glucose monitor may say you’re fine, you will be starving your organs and if you keep it up they may suffer serious damage.
Disclaimer: our standard legal/medical disclaimer applies, and this is intended for educational purposes only; please do speak with your endocrinologist before changing anything you usually do with regard to your blood sugar maintenance.
Ok, back onto the cheerier topic at hand:
Aside from the above: for most people, IF is a remarkably healthful practice in very many ways.
For more on the science, practicalities, and things to do/avoid, enjoy this short (4:53) video:
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Want to know more?
Check out our previous main feature on this topic:
Intermittent Fasting: Mythbusting Edition
Enjoy!
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Healthiest-Three-Nut Butter
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We’re often telling you to “diversify your nuts”, so here’s a great way to get in three at once with no added sugar, palm oil, or preservatives, and only the salt you choose to put in. We’ve picked three of the healthiest nuts around, but if you happen to be allergic, don’t worry, we’ve got you covered too.
You will need
- 1 cup almonds (if allergic, substitute a seed, e.g. chia, and make it ½ cup)
- 1 cup walnuts (if allergic, substitute a seed, e.g. pumpkin, and make it ½ cup)
- 1 cup pistachios (if allergic, substitute a seed, e.g. poppy, and make it ½ cup)
- 1 tbsp almond oil (if allergic, substitute extra virgin olive oil) (if you prefer sweet nut butter, substitute 1 tbsp maple syrup; the role here is to emulsify the nuts, and this will do the same job)
- Optional: ¼ tsp MSG or ½ tsp low-sodium salt
Method
(we suggest you read everything at least once before doing anything)
1a) If using nuts, heat your oven to 350℉ / 180℃. Place the nuts on a baking tray lined with baking paper, and bake/roast for about 10 minutes, but keep an eye on it to ensure the nuts don’t burn, and jiggle them if necessary to ensure they toast evenly. Once done, allow to cool.
1b) If using seeds, you can either omit that step, or do the same for 5 minutes if you want to, but really it’s not necessary.
2) Blend all ingredients (nuts/seeds, oil, MSG/salt) in a high-speed blender. Note: this will take about 10 minutes in total, and we recommend you do it in 30-second bursts so as to not overheat the motor. You also may need to periodically scrape the mixture down the side of the blender, to ensure a smooth consistency.
3) Transfer to a clean jar, and enjoy at your leisure:
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- Why You Should Diversify Your Nuts!
- Sesame Seeds vs Poppy Seeds – Which is Healthier?
- If You’re Not Taking Chia, You’re Missing Out
- Sea Salt vs MSG – Which is Healthier?
Take care!
Don’t Forget…
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Learn to Age Gracefully
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