‘Tis To Season To Be SAD-Savvy
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Seasonal Affective Disorder & SAD Lamps
For those of us in the Northern Hemisphere, it’s that time of the year; especially after the clocks recently went back and the nights themselves are getting longer. So, what to do in the season of 3pm darkness?
First: the problem
The problem is twofold:
- Our circadian rhythm gets confused
- We don’t make enough serotonin
The latter is because serotonin production is largely regulated by sunlight.
People tend to focus on item 2, but item 1 is important too—both as problem, and as means of remedy.
Circadian rhythm is about more than just light
We did a main feature on this a little while back, talking about:
- What light/dark does for us, and how it’s important, but not completely necessary
- How our body knows what time it is even in perpetual darkness
- The many peaks and troughs of many physiological functions over the course of a day/night
- What that means for us in terms of such things as diet and exercise
- Practical take-aways from the above
Read: The Circadian Rhythm: Far More Than Most People Know
With that in mind, the same methodology can be applied as part of treating Seasonal Affective Disorder.
Serotonin is also about more than just light
Our brain is a) an unbelievably powerful organ, and the greatest of any animal on the planet b) a wobbly wet mass that gets easily confused.
In the case of serotonin, we can have problems:
- knowing when to synthesize it or not
- synthesizing it
- using it
- knowing when to scrub it or not
- scrubbing it
- etc
Selective Serotonin Re-uptake Inhibitors (SSRIs) are a class of antidepressants that, as the name suggests, inhibit the re-uptake (scrubbing) of serotonin. So, they won’t add more serotonin to your brain, but they’ll cause your brain to get more mileage out of the serotonin that’s there, using it for longer.
So, whether or not they help will depend on you and your brain:
Read: Antidepressants: Personalization Is Key!
How useful are artificial sunlight lamps?
Artificial sunlight lamps (also called SAD lamps), or blue light lamps, are used in an effort to “replace” daylight.
Does it work? According to the science, generally yes, though everyone would like more and better studies:
- The Efficacy of Light Therapy in the Treatment of Seasonal Affective Disorder: A Meta-Analysis of Randomized Controlled Trials
- Blue-Light Therapy for Seasonal and Non-Seasonal Depression: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Interestingly, it does still work in cases of visual impairment and blindness:
How much artificial sunlight is needed?
According to Wirz-Justice and Terman (2022), the best parameters are:
- 10,000 lux
- full spectrum (white light)
- 30–60 minutes exposure
- in the morning
Source: Light Therapy: Why, What, for Whom, How, and When (And a Postscript about Darkness)
That one’s a fascinating read, by the way, if you have time.
Can you recommend one?
For your convenience, here’s an example product on Amazon that meets the above specifications, and is also very similar to the one this writer has
Enjoy!
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Healing Trauma – by Dr. Peter Levine
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Dr. Levine’s better-selling book about trauma, Waking The Tiger, laid the foundations for this one, but the reason we’re skipping straight into Healing Trauma, is that while the former book is more about the ideas that led him to what he currently believes is the best approach to healing trauma, this book is the one that explains how to actually do it.
The core thesis is that trauma is a natural, transient response, and is not inherently pathological, but that it can become so if not allowed to do its thing.
This book outlines exercises, trademarked as “somatic experiencing”, which allow the body to go through the physiological processes it needs to, to facilitate healing. If you buy the physical book, there is also an audio CD, which this reviewer has not listened to and cannot comment on, but the exercises are clearly described in the book in any case.
The physical aspects of the exercises are similar to the principles of progressive relaxation, while the mental aspects of the exercises are about re-experiencing trauma in a safer fashion, in small doses.
Any kind of dealing with trauma is not going to be comfortable, so this book is not an enjoyable read.
As for how useful the exercises are, your mileage may vary. Like many books about trauma, the expectation is that once upon a time you were in a situation that was unsafe, and now you are safe. If that describes your trauma, you will get the most out of this. However, if your trauma is unrelated to your personal safety, or if it is about your personal safety but the threat still remains extant, then a lot of this may not help and may even make things worse.
In terms of discussing sexual trauma specifically, it was probably not a good choice to favorably quote Woody Allen, and little things like that may be quite jarring for a lot of readers.
Bottom line: if your trauma is PTSD of the kind “you faced an existential threat and now it is gone”, then chances are that this book can help you a lot. If your trauma is different, then your mileage may vary widely on this one.
Click here to check out Healing Trauma, if it seems right for you!
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Almonds vs Pecans – Which is Healthier?
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Our Verdict
When comparing almonds to pecans, we picked the almonds.
Why?
In terms of macros, almonds have more protein, carbs, and fiber, as well as the lower glycemic index. A strong start for almonds here, though pecans have more fat (and the healthy blend of fats is quite comparable from one nut to the other).
In the category of vitamins, almonds have more of vitamins B2, B3, B9, E, and choline, while pecans have more of vitamins A, B1, B5, B6, and K. Numerically that’s a tie, though the biggest margins of difference are for vitamins A and E, respectively, and we might want to prioritize almonds’ extra vitamin E, over pecans’ extra vitamin A, given that vitamin A is more easily found in large quantities in many foods, whereas vitamin E is not quite so abundant generally. So in short, either a tie or a slight win for almonds here.
When it comes to minerals, both contain a lot of goodness, but almonds have more calcium, iron, magnesium, phosphorus, potassium, and selenium, while pecans have more copper, manganese, and zinc. A clear win for almonds, though as we say, pecans are also great for this, just not as great as almonds.
As a side-note, both of these nuts have been found to have anticancer properties against breast cancer cell lines. In all likelihood this means they help against other cancers too, but breast cancer is what the extant research has been for.
So, naturally, enjoy either or both (in fact, both is ideal). But if you want to choose one for nutritional density, it’s almonds.
Want to learn more?
You might like to read:
Why You Should Diversify Your Nuts
Take care!
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How Useful Is Peppermint, Really?
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Peppermint For Digestion & Against Nausea
Peppermint is often enjoyed to aid digestion, and sometimes as a remedy for nausea, but what does the science say about these uses?
Peppermint and digestion
In short: it works! (but beware)
Most studies on peppermint and digestion, that have been conducted with humans, have been with regard to IBS, but its efficacy seems quite broad:
❝Peppermint oil is a natural product which affects physiology throughout the gastrointestinal tract, has been used successfully for several clinical disorders, and appears to have a good safety profile.❞
However, and this is important: if your digestive problem is GERD, then you may want to skip it:
❝The univariate logistic regression analysis showed the following risk factors: eating 1–2 meals per day (OR = 3.50, 95% CI: 1.75–6.98), everyday consumption of peppermint tea (OR = 2.00, 95% CI: 1.14–3.50), and eating one, big meal in the evening instead of dinner and supper (OR = 1.80, 95% CI: 1.05–3.11).
The multivariate analysis confirmed that frequent peppermint tea consumption was a risk factor (OR = 2.00, 95% CI: 1.08–3.70).❞
~ Dr. Jarosz & Dr. Taraszewska
Source: Risk factors for gastroesophageal reflux disease: the role of diet
Peppermint and nausea
Peppermint is also sometimes recommended as a nausea remedy. Does it work?
The answer is: maybe
The thing with nausea is it is a symptom with a lot of possible causes, so effectiveness of remedies may vary. But for example:
- Aromatherapy for treatment of postoperative nausea and vomiting ← no better than placebo
- The Effect of Combined Inhalation Aromatherapy with Lemon and Peppermint on Nausea and Vomiting of Pregnancy: A Double-Blind, Randomized Clinical Trial ← initially no better than placebo, then performed better on subsequent days
- The Effects of Peppermint Oil on Nausea, Vomiting and Retching in Cancer Patients Undergoing Chemotherapy: An Open Label Quasi-Randomized Controlled Pilot Study ← significant benefit immediately
Summary
Peppermint is useful against wide variety of gastrointestinal disorders, including IBS, but very definitely excluding GERD (in the case of GERD, it may make things worse)
Peppermint may help with nausea, depending on the cause.
Where can I get some?
Peppermint tea, and peppermint oil, you can probably find in your local supermarket (as well as fresh mint leaves, perhaps).
For the “heavy guns” that is peppermint essential oil, here’s an example product on Amazon for your convenience
Enjoy!
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Speedy Easy Ratatouille
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One of the biggest contributing factors to unhealthy eating? The convenience factor. To eat well, it seems, one must have at least two of the following: money, time, and skill. So today we have a health dish that’s cheap, quick, and easy!
(You won’t need a rat in a hat to help you with this one)
You will need
- 3 ripe tomatoes, roughly chopped
- 2 zucchini, halved and chopped into thick batons
- 2 portobello mushrooms, sliced into ½” slices
- 1 large red pepper, cut into thick chunks
- 3 tbsp extra virgin olive oil
- 2 tbsp finely chopped parsley
- 2 tsp garlic paste
- 2 tsp thyme leaves, destalked
- 1 tsp rosemary leaves, destalked
- 1 tsp red chili flakes
- 1 tsp black pepper
- Optional: 1 tsp MSG, or 1 tsp low sodium salt (the MSG is the healthier option as it contains less sodium than even low sodium salt)
- Optional: other vegetables, chopped. Use what’s in your fridge! This is a great way to use up leftovers. Particularly good options include chopped eggplant, chopped red onion, and/or chopped carrot.
Method
(we suggest you read everything at least once before doing anything)
1) Put the olive oil into a sauté pan and set the heat on medium. When hot but smoking, add the mushrooms and any optional vegetables (but not the others from the list yet), and fry for 5 minutes.
Note: if you aren’t pressed for time, then you can diverge from the “speedy” part of this by cooking each of the vegetables separately before combining, which allows each to keep its flavor more distinct.
2) Add the garlic, followed by the zucchini, red pepper, chili flakes, and thyme; stir periodically (you shouldn’t have to stir constantly) for 10 minutes.
3) Add the tomatoes and a cup of water to the pan, along with any MSG/salt. Cover with the lid and allow to simmer for a further 10 minutes.
4) Serve, adding the garnish.
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- Level-Up Your Fiber Intake! (Without Difficulty Or Discomfort)
- The Magic Of Mushrooms: “The Longevity Vitamin” (That’s Not A Vitamin)
- Our Top 5 Spices: How Much Is Enough For Benefits? ← we had 3/5 today!
- Monosodium Glutamate: Sinless Flavor-Enhancer Or Terrible Health Risk?
- MSG vs Salt: Sodium Comparison
Take care!
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An Underrated Tool Against Alzheimer’s
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Dementia in general, and Alzheimer’s in particular, affects a lot of people, and probably even more than the stats show, because some (estimated to be: about half) will go undiagnosed and thus unreported:
Alzheimer’s: The Bad News And The Good
At 10almonds, we often talk about brain health, whether from a nutrition standpoint or other lifestyle factors. For nutrition, by the way, check out:
Today we’ll be looking at some new science for an underrated tool:
Bilingualism as protective factor
It’s well-known that bilingualism offers brain benefits, but most people would be hard-pressed to name what, specifically, those brain benefits are.
As doctors Kristina Coulter and Natalie Phillips found in a recent study, one of the measurable benefits may be a defense against generalized (i.e. not necessarily language-related) memory loss Alzheimer’s disease.
Specifically,
❝We used surface-based morphometry methods to measure cortical thickness and volume of language-related and AD-related brain regions. We did not observe evidence of brain reserve in language-related regions.
However, reduced hippocampal volume was observed for monolingual, but not bilingual, older adults with AD. Thus, bilingualism is hypothesized to contribute to reserve in the form of brain maintenance in the context of AD.❞
Read in full: Bilinguals show evidence of brain maintenance in Alzheimer’s disease
This is important, because while language is processed in various parts of the brain beyond the scope of this article, the hippocampi* are where memory is stored.
*usually mentioned in the singular as “hippocampus”, but you have one on each side, unless some terrible accident or incident befell you.
What this means in practical terms: these results suggest that being bilingual means we will retain more of our capacity for memory, even if we get Alzheimer’s disease, than people who are monolingual.
Furthermore, while we’re talking practicality:
❝…our subsample may be characterized as mostly late bilinguals (i.e., learning an L2 after age 5), having moderate self-reported L2 ability, and relatively few participants reporting daily L2 use (33 out of 119)❞
(L2 = second language)
This is important, because it means you don’t have to have grown up speaking multiple languages, you don’t even have to speak it well, and you don’t have to be using your second language(s) on a daily basis, to enjoy benefits. Merely having them in your head appears to be sufficient to trigger the brain to go “oh, we need to boost and maintain the hippocampal volume”.
We would hypothesize that using second language(s) regularly and/or speaking second language(s) well offers additional protection, and the data would support this if it weren’t for the fact that the sample sizes for daily and high-level speakers are a bit small to draw conclusions.
But the important part is: simply knowing another language, including if you literally just learned it later in life, is already protective of hippocampal volume in the context of Alzheimer’s disease.
Here’s a pop-science article about the study, that goes into it in more detail than we have room to here:
Bilingualism linked to greater brain resilience in older adults
Want to learn a new language?
Here are some options where you can get going right away:
If you are thinking “sounds good, but learning a language is too much work”, then that is why we included that third option there. It’s specifically for one language, and that language is Esperanto, arguably the world’s easiest language and specifically designed to be super quick and easy to get good at. Also, it’s free!
Do, kial ne lerni novan lingvon rapide kaj facile? 😉
Want to know more?
For ways to reduce your overall Alzheimer’s risk according to science, check out:
Take care!
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Want to sleep longer? Adding mini-bursts of exercise to your evening routine can help – new study
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Exercising before bed has long been discouraged as the body doesn’t have time to wind down before the lights go out.
But new research has found breaking up a quiet, sedentary evening of watching television with short bursts of resistance exercise can lead to longer periods of sleep.
Adults spend almost one third of the 24-hour day sleeping. But the quality and length of sleep can affect long-term health. Sleeping too little or waking often in the night is associated with an increased risk of heart disease and diabetes.
Physical activity during the day can help improve sleep. However, current recommendations discourage intense exercise before going to bed as it can increase a person’s heart rate and core temperature, which can ultimately disrupt sleep.
Nighttime habits
For many, the longest period of uninterrupted sitting happens at home in the evening. People also usually consume their largest meal during this time (or snack throughout the evening).
Insulin (the hormone that helps to remove sugar from the blood stream) tends to be at a lower level in the evening than in the morning.
Together these factors promote elevated blood sugar levels, which over the long term can be bad for a person’s health.
Our previous research found interrupting evening sitting every 30 minutes with three minutes of resistance exercise reduces the amount of sugar in the bloodstream after eating a meal.
But because sleep guidelines currently discourage exercising in the hours before going to sleep, we wanted to know if frequently performing these short bursts of light activity in the evening would affect sleep.
Activity breaks for better sleep
In our latest research, we asked 30 adults to complete two sessions based in a laboratory.
During one session the adults sat continuously for a four-hour period while watching streaming services. During the other session, they interrupted sitting by performing three minutes of body-weight resistance exercises (squats, calf raises and hip extensions) every 30 minutes.
After these sessions, participants went home to their normal life routines. Their sleep that evening was measured using a wrist monitor.
Our research found the quality of sleep (measured by how many times they woke in the night and the length of these awakenings) was the same after the two sessions. But the night after the participants did the exercise “activity breaks” they slept for almost 30 minutes longer.
Identifying the biological reasons for the extended sleep in our study requires further research.
But regardless of the reason, if activity breaks can extend sleep duration, then getting up and moving at regular intervals in the evening is likely to have clear health benefits.
Time to revisit guidelines
These results add to earlier work suggesting current sleep guidelines, which discourage evening exercise before bed, may need to be reviewed.
As the activity breaks were performed in a highly controlled laboratory environment, future research should explore how activity breaks performed in real life affect peoples sleep.
We selected simple, body-weight exercises to use in this study as they don’t require people to interrupt the show they may be watching, and don’t require a large space or equipment.
If people wanted to incorporate activity breaks in their own evening routines, they could probably get the same benefit from other types of exercise. For example, marching on the spot, walking up and down stairs, or even dancing in the living room.
The key is to frequently interrupt evening sitting time, with a little bit of whole-body movement at regular intervals.
In the long run, performing activity breaks may improve health by improving sleep and post-meal blood sugar levels. The most important thing is to get up frequently and move the body, in a way the works best for a person’s individual household.
Jennifer Gale, PhD candidate, Department of Human Nutrition, University of Otago and Meredith Peddie, Senior Lecturer, Department of Human Nutrition, University of Otago
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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