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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How can I stop overthinking everything? A clinical psychologist offers solutions
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As a clinical psychologist, I often have clients say they are having trouble with thoughts “on a loop” in their head, which they find difficult to manage.
While rumination and overthinking are often considered the same thing, they are slightly different (though linked). Rumination is having thoughts on repeat in our minds. This can lead to overthinking – analysing those thoughts without finding solutions or solving the problem.
It’s like a vinyl record playing the same part of the song over and over. With a record, this is usually because of a scratch. Why we overthink is a little more complicated.
We’re on the lookout for threats
Our brains are hardwired to look for threats, to make a plan to address those threats and keep us safe. Those perceived threats may be based on past experiences, or may be the “what ifs” we imagine could happen in the future.
Our “what ifs” are usually negative outcomes. These are what we call “hot thoughts” – they bring up a lot of emotion (particularly sadness, worry or anger), which means we can easily get stuck on those thoughts and keep going over them.
However, because they are about things that have either already happened or might happen in the future (but are not happening now), we cannot fix the problem, so we keep going over the same thoughts.
Who overthinks?
Most people find themselves in situations at one time or another when they overthink.
Some people are more likely to ruminate. People who have had prior challenges or experienced trauma may have come to expect threats and look for them more than people who have not had adversities.
Deep thinkers, people who are prone to anxiety or low mood, and those who are sensitive or feel emotions deeply are also more likely to ruminate and overthink.
Also, when we are stressed, our emotions tend to be stronger and last longer, and our thoughts can be less accurate, which means we can get stuck on thoughts more than we would usually.
Being run down or physically unwell can also mean our thoughts are harder to tackle and manage.
Acknowledge your feelings
When thoughts go on repeat, it is helpful to use both emotion-focused and problem-focused strategies.
Being emotion-focused means figuring out how we feel about something and addressing those feelings. For example, we might feel regret, anger or sadness about something that has happened, or worry about something that might happen.
Acknowledging those emotions, using self-care techniques and accessing social support to talk about and manage your feelings will be helpful.
The second part is being problem-focused. Looking at what you would do differently (if the thoughts are about something from your past) and making a plan for dealing with future possibilities your thoughts are raising.
But it is difficult to plan for all eventualities, so this strategy has limited usefulness.
What is more helpful is to make a plan for one or two of the more likely possibilities and accept there may be things that happen you haven’t thought of.
Think about why these thoughts are showing up
Our feelings and experiences are information; it is important to ask what this information is telling you and why these thoughts are showing up now.
For example, university has just started again. Parents of high school leavers might be lying awake at night (which is when rumination and overthinking is common) worrying about their young person.
Knowing how you would respond to some more likely possibilities (such as they will need money, they might be lonely or homesick) might be helpful.
But overthinking is also a sign of a new stage in both your lives, and needing to accept less control over your child’s choices and lives, while wanting the best for them. Recognising this means you can also talk about those feelings with others.
Let the thoughts go
A useful way to manage rumination or overthinking is “change, accept, and let go”.
Challenge and change aspects of your thoughts where you can. For example, the chance that your young person will run out of money and have no food and starve (overthinking tends to lead to your brain coming up with catastrophic outcomes!) is not likely.
You could plan to check in with your child regularly about how they are coping financially and encourage them to access budgeting support from university services.
Your thoughts are just ideas. They are not necessarily true or accurate, but when we overthink and have them on repeat, they can start to feel true because they become familiar. Coming up with a more realistic thought can help stop the loop of the unhelpful thought.
Accepting your emotions and finding ways to manage those (good self-care, social support, communication with those close to you) will also be helpful. As will accepting that life inevitably involves a lack of complete control over outcomes and possibilities life may throw at us. What we do have control over is our reactions and behaviours.
Remember, you have a 100% success rate of getting through challenges up until this point. You might have wanted to do things differently (and can plan to do that) but nevertheless, you coped and got through.
So, the last part is letting go of the need to know exactly how things will turn out, and believing in your ability (and sometimes others’) to cope.
What else can you do?
A stressed out and tired brain will be more likely to overthink, leading to more stress and creating a cycle that can affect your wellbeing.
So it’s important to manage your stress levels by eating and sleeping well, moving your body, doing things you enjoy, seeing people you care about, and doing things that fuel your soul and spirit.
Distraction – with pleasurable activities and people who bring you joy – can also get your thoughts off repeat.
If you do find overthinking is affecting your life, and your levels of anxiety are rising or your mood is dropping (your sleep, appetite and enjoyment of life and people is being negatively affected), it might be time to talk to someone and get some strategies to manage.
When things become too difficult to manage yourself (or with the help of those close to you), a therapist can provide tools that have been proven to be helpful. Some helpful tools to manage worry and your thoughts can also be found here.
When you find yourself overthinking, think about why you are having “hot thoughts”, acknowledge your feelings and do some future-focused problem solving. But also accept life can be unpredictable and focus on having faith in your ability to cope.
Kirsty Ross, Associate Professor and Senior Clinical Psychologist, Massey University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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The Worst Way to Wake Up (and What to Do Instead)
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Not everyone is naturally inclined to be a morning person, but there are things we can do to make things go more easily for our brains!
Cause for alarm?
Dr. Tracey Marks, psychiatrist, explains the impact of our first moments upon awakening, and what that can do to/for us in terms of sleep inertia (i.e. grogginess).
Sleep inertia is worse when waking from deep sleep—and notably, we don’t naturally wake directly from deep sleep unless we are externally aroused (e.g. by an alarm clock).
Dr. Marks suggests the use of more gradual alarms, including those with soft melodies, perhaps birdsong or other similarly gentle things (artificial sunlight alarms are also good), to ease our transition from sleeping to waking. It might take us a few minutes longer to be woken from sleep, but we’re not going to spend the next hour in a bleary-eyed stupor.
For more details on these things and more (including why not to hit “snooze”), enjoy:
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Want to learn more?
You might also like to read:
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12 Foods That Fight Depression & Anxiety
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Food impacts mental health, and while it won’t magically cure mental illness, dietary changes can do a lot to improve mood. Here’s how:
Nutraceuticals
We’ll not keep the 12 nutraceutical foods a mystery; here’s what they are and a few words on how they work (in many cases, we could write whole articles about them; in some cases, we already have! You can find many of them by using the search function in the top-right of each page).
- Walnuts are rich in omega-3s for brain health; arguably the best nut for depression relief.
- Fermented foods because probiotics in foods like yogurt and sauerkraut support the gut-brain connection as well as serotonin production there, enhancing mood.
- Cherry tomatoes are rich in lycopene, which helps combat both depression and mood swings.
- Leafy greens reduce brain inflammation linked to depression.
- Apples and other fruit are high in fiber and antioxidants that stabilize blood sugar and mood, reducing brain inflammation.
- Beans are high in B vitamins, crucial for neurotransmitter production and mood regulation (without also being high in brain-harmful things, as red meat is).
- Berries are super-high antioxidants and cortisol-lowering anthocyanidins, promoting calmness and reducing stress.
- Oats contain the healthiest kind of fiber, β-glucan, and additionally help stabilize blood sugar and mood; they’re also rich in selenium, which boosts mood.
- Mushrooms help regulate blood sugar and act as prebiotics, supporting serotonin production in the gut.
- Avocados are famously rich in healthy fats, including omega-3s and oleic acid, which support brain health and combat depression.
- Dark chocolate contains antioxidants, magnesium, and gut-healthy prebiotics that indirectly reduce mental stress and improve brain function. Also a famous comfort food for many, of course, and that factor’s not to be overlooked either.
- Pumpkin seeds are rich in tryptophan, which boosts serotonin production. As a bonus, they also help some kinds of antidepressant to work better—check with your doctor or pharmacist to be sure in your case, though.
For more on all of these, enjoy:
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Want to learn more?
You might also like to read:
The 6 Pillars Of Nutritional Psychiatry
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Heart-Healthy Gochujang Noodles
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Soba noodles are a good source of rutin, which is great for the heart and blood. Additionally, buckwheat (as soba noodles are made from) is healthier in various ways than rice, and certainly a lot healthier than wheat (remember that despite the name, buckwheat is about as related to wheat as a lionfish is to a lion). This dish is filled with more than just fiber though; there are a lot of powerful phytochemicals at play here, in the various kinds of cabbage, plus of course things like gingerol, capsaicin, allicin, and piperine.
You will need
- 14 oz “straight to wok” style soba noodles
- 3 bok choi (about 7 oz)
- 3½ oz red cabbage, thinly sliced
- 10 oz raw and peeled large shrimp (if you are vegan, vegetarian, allergic to shellfish/crustaceans, or observant of a religion that does not eat such, substitute with small cubes of firm tofu)
- 1 can (8 oz) sliced water chestnuts, drained (drained weight about 5 oz)
- 2 tbsp gochujang paste
- 2 tbsp low-sodium soy sauce
- 1 tbsp sesame oil
- 2 tsp garlic paste
- 2 tsp ginger paste
- 1 tbsp chia seeds
- Avocado oil for frying (or another oil suitable for high temperatures—so, not olive oil)
Note: ideally you will have a good quality gochujang paste always in your cupboard, as it’s a great and versatile condiment. However, you can make your own approximation, by blending 5 pitted Medjool dates, 1 tbsp rice wine vinegar, 2 tbsp tomato purée, 2 tsp red chili flakes, 1 tsp garlic granules, and ¼ tsp MSG or ½ tsp low-sodium salt. This is not exactly gochujang, but unless you want to go shopping for ingredients more obscure in Western stores than gochujang, it’s close enough.
Method
(we suggest you read everything at least once before doing anything)
1) Mix together the gochujang paste with the sesame oil, soy sauce, garlic paste, and ginger paste, in a small bowl. Whisk in ¼ cup hot water, or a little more if it seems necessary, but go easy with it. This will be your stir-fry sauce.
2) Slice the base of the bok choi into thin disks; keep the leaves aside.
3) Heat the wok to the highest temperature you can safely muster, and add a little avocado oil followed by the shrimp. When they turn from gray to pink (this will take seconds, so be ready) add the sliced base of the bok choi, and also the sliced cabbage and water chestnuts, stirring frequently. Cook for about 2 minutes; do not reduce the heat.
4) Add the sauce you made, followed 1 minute later by the noodles, stirring them in, and finally the leafy tops of the bok choi.
5) Garnish with the chia seeds (or sesame seeds, but chia pack more of a nutritional punch), and serve:
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- What Matters Most For Your Heart?
- Red Cabbage vs White Cabbage – Which is Healthier?
- Ginger Does A Lot More Than You Think
- The Many Health Benefits Of Garlic
- Capsaicin For Weight Loss And Against Inflammation
- Black Pepper’s Impressive Anti-Cancer Arsenal (And More)
- If You’re Not Taking Chia, You’re Missing Out
Take care!
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Healing After Loss – by Martha Hickman
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.
Mental health is also just health, and this book’s about an underexamined area of mental health. We say “underexamined”, because for something that affects almost everyone sooner or later, there’s not nearly so much science being done about it as other areas of mental health.
This is not a book of science per se, but it is a very useful one. The format is:
Each calendar day of the year, there’s a daily reflection, consisting of:
- A one-liner insight about grief, quoted from somebody
- A page of thoughts about this
- A one-liner summary, often formulated as a piece of advice
The book is not religious in content, though the author does occasionally make reference to God, only in the most abstract way that shouldn’t be offputting to any but the most stridently anti-religious readers.
Bottom line: if this is a subject near to your heart, then you will almost certainly benefit from this daily reader.
Click here to check out Healing After Loss, and indeed heal after loss
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Make Your Vegetables Work Better Nutritionally
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Most people know that boiling vegetables to death is generally not best for them, but raw isn’t always best either, and if we want to not sabotage our food, then there’s more to bear in mind than “just steam them, then”.
So, what should we keep in mind?
Water solubility
Many nutrients are water-soluble, including vitamin C, vitamin B-complex (as in, the collection of B-vitamins), and flavonoids, as well as many other polyphenols.
This means that if you cook your vegetables (which includes beans, lentils, etc) in water, a lot of the nutrients will go into the water, and be lost if you then drain that.
There are, thus, options;
- Steaming, yes
- Use just enough water to slow-cook or pressure-cook things that are suitable for slow-cooking, or pressure-cooking such as those beans and lentils. That way, when it’s done, there’s no excess water to drain, and all the nutrients are still in situ.
- Use as much water as you like, but then keep the excess water to make a soup, sauce, or broth.
- Use a cooking method other than water, where appropriate. For example, roasting peppers is a much better idea than roasting dried pulses.
- Consume raw, where appropriate.
Fat solubility
Many nutrients are fat-soluble, including vitamins A, D, E, and K, as well as a lot of carotenoids (including heavy-hitters lycopene and β-carotene) and many other polyphenols.
We’re now going to offer almost the opposite advice to that we had about water solubility. This is because unless they are dried, vegetables already contain water, whereas many contain only trace amounts of fat. Consequently, the advice this time is to add fat.
There are options:
- Cook with a modest amount of your favorite healthy cooking oil (our general go-to is extra-virgin olive oil, but avocado oil is great especially for higher temperature cooking, and an argument can be made for coconut oil sometimes)
- Remember that this goes for roasting, too. Brush those vegetables with a touch of olive oil, and not only will they be delicious, they’ll be more nutritious, too.
- Drizzle some the the above, if you’re serving things raw and it’s appropriate. This goes also for things like salads, so dress them!
- Enjoy your vegetables alongside healthy fatty foods such as nuts and seeds (or fatty animal products, if you eat those; fatty fish is a fine option here, in moderation, as are eggs, or fermented dairy products).
For a deeper understanding: Can Saturated Fats Be Healthy?
Do not, however, deep-fry your foods unless it’s really necessary and then only for an occasional indulgence that you simply accept will be unhealthy. Not only is deep-frying terrible for the health in a host of ways (ranging from an excess of oil in the resultant food, to acrylamide, to creating Advanced Glycation End-products*), but also those fat-soluble nutrients? Guess where they’ll go. And unlike with the excess vegetable-cooking water that you can turn into soup or whatever, we obviously can’t recommend doing that with deep-fryer oil.
*see also: Are You Eating AGEs?
Temperature sensitivity
Many nutrients are sensitive to temperature, including vitamin C (breaks down when exposed to high temperatures) and carotenoids (are released when exposed to higher temperatures). Another special case is ergothioneine, “the longevity vitamin” that’s not a vitamin, found in mushrooms, which is also much more bioavailable when cooked.
So, if you’re eating something for vitamin C, then raw is best if that’s a reasonable option.
And if it’s not a reasonable option? Well, then you can either a) just cope with the fact it’s going to have less vitamin C in it, or b) cook it as gently and briefly as reasonably possible.
On the other hand, if you’re eating something for carotenoids (especially including lycopene and β-carotene), or ergothioneine, then cooked is best.
Additionally, if your food is high in oxalates (such as spinach), and you don’t want it to be (for example because you have kidney problems, which oxalates can exacerbate, or would like to get more calcium out of the spinach and into your body, which which oxalic acid would inhibit), then cooked is best, as it breaks down the oxalates.
Same goes for phytates, another “anti-nutrient” found in some whole grains (such as rice and wheat); cooking breaks it down, therefore cooked is best.
This latter is not, however, applicable in the case of brown rice protein powder, for those who enjoy that—because phytates aren’t found in the part of the rice that’s extracted to make that.
And as for brown rice itself? Does contain phytates… Which can be reduced by soaking and heating, preferably both, to the point that the nutritional value is better than it would have been had there not been phytic acid present in the first place; in other words: cooked is best.
You may be wondering: “who is eating rice raw?” and the answer is: people using rice flour.
See: Brown Rice Protein: Strengths & Weaknesses
Want to know more?
Here’s a great rundown from Dr. Rosalind Gibson, Dr. Leah Perlas, and Dr. Christine Hotz:
Improving the bioavailability of nutrients in plant foods at the household level
Enjoy!
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