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The 6 Pillars Of Nutritional Psychiatry
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Dr. Naidoo’s To-Dos
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This is Dr. Uma Naidoo. She’s a Harvard-trained psychiatrist, professional chef graduating with her culinary school’s most coveted award, and a trained nutritionist. Between those three qualifications, she knows her stuff when it comes to the niche that is nutritional psychiatry.
She’s also the Director of Nutritional and Lifestyle Psychiatry at Massachusetts General Hospital (MGH) & Director of Nutritional Psychiatry at MGH Academy while serving on the faculty at Harvard Medical School.
What is nutritional psychiatry?
Nutritional psychiatry is the study of how food influences our mood (in the short term) and our more generalized mental health (in the longer term).
We recently reviewed a book of hers on this topic:
This Is Your Brain On Food – by Dr. Uma Naidoo
The “Six Pillars” of nutritional psychiatry
Per Dr. Naidoo, these are…
Be Whole; Eat Whole
Here Dr. Naidoo recommends an “80/20 rule”, and a focus on fiber, to keep the gut (“the second brain”) healthy.
See also: The Brain-Gut Highway: A Two-Way Street
Eat The Rainbow
This one’s simple enough and speaks for itself. Very many brain-nutrients happen to be pigments, and “eating the rainbow” (plants, not Skittles!) is a way to ensure getting a lot of different kinds of brain-healthy flavonoids and other phytonutrients.
The Greener, The Better
As Dr. Naidoo writes:
❝Greens contain folate, an important vitamin that maintains the function of our neurotransmitters. Its consumption has been associated with a decrease in depressive symptoms and improved cognition.❞
Tap into Your Body Intelligence
This is about mindful eating, interoception, and keeping track of how we feel 30–60 minutes after eating different foods.
Basically, the same advice here as from: The Kitchen Doctor
(do check that out, as there’s more there than we have room to repeat here today!)
Consistency & Balance Are Key
Honestly, this one’s less a separate item and is more a reiteration of the 80/20 rule discussed in the first pillar, and an emphasis on creating sustainable change rather than loading up on brain-healthy superfoods for half a weekend and then going back to one’s previous dietary habits.
Avoid Anxiety-Triggering Foods
This is about avoiding sugar/HFCS, ultra-processed foods, and industrial seed oils such as canola and similar.
As for what to go for instead, she has a broad-palette menu of ingredients she recommends using as a base for one’s meals (remember she’s a celebrated chef as well as a psychiatrist and nutritionist), which you can check out here:
Dr. Naidoo’s “Food for Mood” project
Enjoy!
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50 Ways To Rewire Your Anxious Brain – by Dr. Catherine Pittman & Dr. Maha Zayed-Hoffman
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The book is divided into sections:
- Calming the amygdala
- Rewiring the amygdala
- Calming the cortex
- Resisting cortex traps
…each with a dozen or so ways to do exactly what it says in the title: rewire your anxious brain.
The authors take the stance that since our brain is changing all the time, we might as well choose the direction we prefer. They then set out to provide the tools for the lay reader to do that, and (in that fourth section we mentioned) how to avoid accidentally doing the opposite, no matter how tempting doing the opposite may be.
For a book written by two PhD scientists where a large portion of it is about neuroscience, the style is very light pop science (just a few in-line citations every few pages, where they couldn’t resist the urge), and the focus is on being useful to the reader throughout. This all makes for reassuringly science-based but accessibly readable book.
The fact that the main material comes in the form of 50 very short chapters also makes it a lot more readable for those for whom sitting down to read a lot at a time can be off-putting.
Bottom line: if you experience anxiety and would like to experience it less, this book will guide you through how to get there.
Click here to check out 50 Ways To Rewire Your Anxious Brain, and rewire your anxious brain!
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Sweet Cinnamon vs Regular Cinnamon – Which is Healthier?
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Our Verdict
When comparing sweet cinnamon to regular cinnamon, we picked the sweet.
Why?
In this case, it’s not close. One of them is health-giving and the other is poisonous (but still widely sold in supermarkets, especially in the US and Canada, because it is cheaper).
It’s worth noting that “regular cinnamon” is a bit of a misnomer, since sweet cinnamon is also called “true cinnamon”. The other cinnamon’s name is formally “cassia cinnamon”, but marketers don’t tend to call it that, preferring to calling it simply “cinnamon” and hope consumers won’t ask questions about what kind, because it’s cheaper.
Note: this too is especially true in the US and Canada, where for whatever reason sweet cinnamon seems to be more difficult to obtain than in the rest of the world.
In short, both cinnamons contain cinnamaldehyde and coumarin, but:
- Sweet/True cinnamon contains only trace amounts of coumarin
- Regular/Cassia cinnamon contains about 250x more coumarin
Coumarin is heptatotoxic, meaning it poisons the liver, and the recommended safe amount is 0.1mg/kg, so it’s easy to go over that with just a couple of teaspoons of cassia cinnamon.
You might be wondering: how can they get away with selling something that poisons the liver? In which case, see also: the alcohol aisle. Selling toxic things is very common; it just gets normalized a lot.
Cinnamaldehyde is responsible for cinnamon’s healthier properties, and is found in reasonable amounts in both cinnamons. There is about 50% more of it in the regular/cassia than in the sweet/true, but that doesn’t come close to offsetting the potential harm of its higher coumarin content.
Want to learn more?
You may like to read:
- A Tale Of Two Cinnamons ← this one has more of the science of coumarin toxicity, as well as discussing (and evidencing) cinnamaldehyde’s many healthful properties against inflammation, cancer, heart disease, neurodegeneration, etc
Enjoy!
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Strong At Every Age: 15 Habits To Level Up Your Health & Fitness
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Not every increase in health and fitness needs to look like a training montage from the “Rocky” movies!
Making progress every day
We’ll not keep the 15 habits a secret; they are:
- Follow the one-minute rule: commit to just one minute of action—this makes starting easier, and often you’ll end up doing more once you’ve got started.
- Make the habit exciting: add fun elements to make the habit more enjoyable, like using new gear or accessories.
- Do it first: prioritize new habits by doing them early in the day to ensure they get done.
- Share the love: pair new habits with activities you already enjoy, where practical, to do “temptation bundling”.
- Embrace the uncomfortable: get used to discomfort daily to grow and build resilience for bigger changes.
- Do as little as possible: start small with habits, to minimize resistance and focus on consistency.
- Think how to be lazy: simplify processes and use shortcuts; there are no extra prizes for it having been difficult!
- Make the appointment: schedule habits with set dates and times, to increase accountability.
- Let habits evolve: adapt habits to fit current circumstances; that way you can still stay consistent over time.
- Plan ahead: prepare in advance to avoid setbacks—what could stop you from succeeding, and how can you pre-empt that?
- Pause to reflect: regularly evaluate what works and what doesn’t, to adjust and improve.
- Shut off your brain: avoid overthinking and start taking action now, not later, to build momentum.
- Question and learn: stay curious and open to learning, or else you will plateau quickly!
- Ask why: understand the deeper reasons behind any resistance, and make clear for yourself the value of the habit.
- Love your failures: embrace any setbacks as learning opportunities and, as such, stepping stones to success.
For more on all of each of these, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
How To Really Pick Up (And Keep!) Those Habits
Take care!
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From eye exams to blood tests and surgery: how doctors use light to diagnose disease
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This is the next article in our ‘Light and health’ series, where we look at how light affects our physical and mental health in sometimes surprising ways. Read other articles in the series.
You’re not feeling well. You’ve had a pounding headache all week, dizzy spells and have vomited up your past few meals.
You visit your GP to get some answers and sit while they shine a light in your eyes, order a blood test and request some medical imaging.
Everything your GP just did relies on light. These are just some of the optical technologies that have had an enormous impact in how we diagnose disease.
megaflopp/Shutterstock 1. On-the-spot tests
Point-of-care diagnostics allow doctors to test patients on the spot and get answers in minutes, rather than sending samples to a lab for analysis.
The “flashlight” your GP uses to view the inside of your eye (known as an ophthalmoscope) is a great example. This allows doctors to detect abnormal blood flow in the eye, deformations of the cornea (the outermost clear layer of the eye), or swollen optical discs (a round section at the back of the eye where the nerve link to the brain begins). Swollen discs are a sign of elevated pressure inside your head (or in the worst case, a brain tumour) that could be causing your headaches.
The invention of lasers and LEDs has enabled many other miniaturised technologies to be provided at the bedside or clinic rather than in the lab.
Pulse oximetry is a famous example, where a clip attached to your finger reports how well your blood is oxygenated. It does this by measuring the different responses of oxygenated and de-oxygenated blood to different colours of light.
Pulse oximetry is used at hospitals (and sometimes at home) to monitor your respiratory and heart health. In hospitals, it is also a valuable tool for detecting heart defects in babies.
See that clip on the patient’s finger? That’s a pulse oximeter, which relies on light to monitor respiratory and heart health. CGN089/Shutterstock 2. Looking at molecules
Now, back to that blood test. Analysing a small amount of your blood can diagnose many different diseases.
A machine called an automated “full blood count analyser” tests for general markers of your health. This machine directs focused beams of light through blood samples held in small glass tubes. It counts the number of blood cells, determines their specific type, and reports the level of haemoglobin (the protein in red blood cells that distributes oxygen around your body). In minutes, this machine can provide a snapshot of your overall health.
For more specific disease markers, blood serum is separated from the heavier cells by spinning in a rotating instrument called a centrifuge. The serum is then exposed to special chemical stains and enzyme assays that change colour depending on whether specific molecules, which may be the sign of a disease, are present.
These colour changes can’t be detected with the naked eye. However, a light beam from an instrument called a spectrometer can detect tiny amounts of these substances in the blood and determine if the biomarkers for diseases are present, and at what levels.
Light shines through the blood sample and tells us whether biomarkers for disease are present. angellodeco/Shutterstock 3. Medical imaging
Let’s re-visit those medical images your GP ordered. The development of fibre-optic technology, made famous for transforming high-speed digital communications (such as the NBN), allows light to get inside the body. The result? High-resolution optical imaging.
A common example is an endoscope, where fibres with a tiny camera on the end are inserted into the body’s natural openings (such as your mouth or anus) to examine your gut or respiratory tracts.
Surgeons can insert the same technology through tiny cuts to view the inside of the body on a video screen during laparoscopic surgery (also known as keyhole surgery) to diagnose and treat disease.
Doctors can insert this flexible fibre-optic tube with a camera on the end into your body. Eduard Valentinov/Shutterstock How about the future?
Progress in nanotechnology and a better understanding of the interactions of light with our tissues are leading to new light-based tools to help diagnose disease. These include:
- nanomaterials (materials on an extremely small scale, many thousands of times smaller than the width of a human hair). These are being used in next-generation sensors and new diagnostic tests
- wearable optical biosensors the size of your fingernail can be included in devices such as watches, contact lenses or finger wraps. These devices allow non-invasive measurements of sweat, tears and saliva, in real time
- AI tools to analyse how blood serum scatters infrared light. This has allowed researchers to build a comprehensive database of scatter patterns to detect any cancer
- a type of non-invasive imaging called optical coherence tomography for more detailed imaging of the eye, heart and skin
- fibre optic technology to deliver a tiny microscope into the body on the tip of a needle.
So the next time you’re at the GP and they perform (or order) some tests, chances are that at least one of those tests depend on light to help diagnose disease.
Matthew Griffith, Associate Professor and ARC Future Fellow and Director, UniSA Microscopy and Microanalysis Facilities, University of South Australia
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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The Many Faces Of Cosmetic Surgery
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Cosmetic Surgery: What’s The Truth?
In Tuesday’s newsletter, we asked you your opinion on elective cosmetic surgeries, and got the above-depicted, below-described, set of responses:
- About 48% said “Everyone should be able to get what they want, assuming informed consent”
- About 28% said “It can ease discomfort to bring features more in line with normalcy”
- 15% said “They should be available in the case of extreme disfigurement only”
- 10% said “No elective cosmetic surgery should ever be performed; needless danger”
Well, there was a clear gradient of responses there! Not so polarizing as we might have expected, but still enough dissent for discussion
So what does the science say?
The risks of cosmetic surgery outweigh the benefits: True or False?
False, subjectively (but this is important).
You may be wondering: how is science subjective?
And the answer is: the science is not subjective, but people’s cost:worth calculations are. What’s worth it to one person absolutely may not be worth it to another. Which means: for those for whom it wouldn’t be worth it, they are usually the people who will not choose the elective surgery.
Let’s look at some numbers (specifically, regret rates for various surgeries, elective/cosmetic or otherwise):
- Regret rate for elective cosmetic surgery in general: 20%
- Regret rate for knee replacement (i.e., not cosmetic): 17.1%
- Regret rate for hip replacement (i.e., not cosmetic): 4.8%
- Regret rate for gender-affirming surgeries (for transgender patients): 1%
So we can see, elective surgeries have an 80–99% satisfaction rate, depending on what they are. In comparison, the two joint replacements we mentioned have a 82.9–95.2% satisfaction rate. Not too dissimilar, taken in aggregate!
In other words: if a person has studied the risks and benefits of a surgery and decides to go ahead, they’re probably going to be happy with the results, and for them, the benefits will have outweighed the risks.
Sources for the above numbers, by the way:
- What is the regret rate for plastic surgery?
- Decision regret after primary hip and knee replacement surgery
- A systematic review of patient regret after surgery—a common phenomenon in many specialties but rare within gender-affirmation surgery
But it’s just a vanity; therapy is what’s needed instead: True or False?
False, generally. True, sometimes. Whatever the reasons for why someone feels the way they do about their appearance—whether their face got burned in a fire or they just have triple-J cups that they’d like reduced, it’s generally something they’ve already done a lot of thinking about. Nevertheless, it does also sometimes happen that it’s a case of someone hoping it’ll be the magical solution, when in reality something else is also needed.
How to know the difference? One factor is whether the surgery is “type change” or “restorative”, and both have their pros and cons.
- In “type change” (e.g. rhinoplasty), more psychological adjustment is needed, but when it’s all over, the person has a new nose and, statistically speaking, is usually happy with it.
- In “restorative” (e.g. facelift), less psychological adjustment is needed (as it’s just a return to a previous state), so a person will usually be happy quickly, but ultimately it is merely “kicking the can down the road” if the underlying problem is “fear of aging”, for example. In such a case, likely talking therapy would be beneficial—whether in place of, or alongside, cosmetic surgery.
Here’s an interesting paper on that; the sample sizes are small, but the discussion about the ideas at hand is a worthwhile read:
Does cosmetic surgery improve psychosocial wellbeing?
Some people will never be happy no matter how many surgeries they get: True or False?
True! We’re going to refer to the above paper again for this one. In particular, here’s what it said about one group for whom surgeries will not usually be helpful:
❝There is a particular subgroup of people who appear to respond poorly to cosmetic procedures. These are people with the psychiatric disorder known as “body dysmorphic disorder” (BDD). BDD is characterised by a preoccupation with an objectively absent or minimal deformity that causes clinically significant distress or impairment in social, occupational, or other areas of functioning.
For several reasons, it is important to recognise BDD in cosmetic surgery settings:
Firstly, it appears that cosmetic procedures are rarely beneficial for these people. Most patients with BDD who have had a cosmetic procedure report that it was unsatisfactory and did not diminish concerns about their appearance.
Secondly, BDD is a treatable disorder. Serotonin-reuptake inhibitors and cognitive behaviour therapy have been shown to be effective in about two-thirds of patients with BDD❞
~ Dr. David Castle et al. (lightly edited for brevity)
Which is a big difference compared to, for example, someone having triple-J breasts that need reducing, or the wrong genitals for their gender, or a face whose features are distinct outliers.
Whether that’s a reason people with BDD shouldn’t be able to get it is an ethical question rather than a scientific one, so we’ll not try to address that with science.
After all, many people (in general) will try to fix their woes with a haircut, a tattoo, or even a new sportscar, and those might sometimes be bad decisions, but they are still the person’s decision to make.
And even so, there can be protectionist laws/regulations that may provide a speed-bump, for example:
Take care!
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Captivate – by Vanessa van Edwards
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This book isn’t just for one area of human interactions. It covers everything from the boardroom to the bedroom (not necessarily a progression with the same person!), business associates, friends, partners, kids, and more.
She presents information in a layered manner, covering for example, chapter-by-chapter:
- the first five minutes
- the first five hours
- the first five days
She also covers such things as:
- starting conversations in a way that makes you memorable (without making it weird!)
- the importance of really listening (and how to do that)
- collecting like-minded people appropriately
- introducing other people! Because a) it’s not all about you, but also b) you’re the person who knows everybody now
- where to stand at parties / networking events!
- dating and early-days dating messages
- reading the room, reading the people
All in all, a great resource for anyone who wants to make (and maintain!) meaningful relationships with those around you.
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