Dentists Debunk 15 Teeth Myths
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Dentists Dr. John Yoo and Dr. Jason Lin leave no gaps in the truth:
The tooth, the whole tooth, and nothing but the tooth
Not only is there no tooth fairy (we are shocked), but also…
- “Baby teeth aren’t important.”
False! Baby teeth act as space holders for permanent teeth, affect speech development, and influence a child’s psychological well-being. - “Acidic fruits will whiten your smile.”
False! In any practical sense, anyway: acidic fruits may temporarily make teeth appear whiter by dispersing stains but cause enamel erosion and weaken teeth over time. - “Fillings last forever.”
False! Fillings can wear down, fail, or develop cavities underneath if oral hygiene isn’t maintained, requiring replacement over time. - “Cavities are irreversible.”
False! Cavities in the enamel can be reversed with fluoride and good oral hygiene, but cavities that reach the dentin are typically irreversible. - “Braces are just for crooked teeth.”
False! Braces also correct functional issues like overbites, underbites, crossbites, and prevent future complications like tooth impaction. - “A knocked-out tooth is gone for good.”
False! A knocked-out tooth can be reimplanted if done quickly (ideally within an hour); storing it in whole milk or saliva helps preserve it. - “Diet sodas won’t give you cavities.”
False! Diet sodas can still cause cavities due to their acidic pH, which erodes enamel, even without sugar. - “Dental cleanings aren’t necessary.”
False! Dental cleanings help remove plaque and tartar that regular brushing can’t, and allow for regular oral health checkups. - “Retainers aren’t for life.”
False! To maintain teeth alignment after braces, retainers should be worn long-term as teeth can shift even years later. - “You should floss before brushing.”
False! The order doesn’t matter, but do floss regularly. - “Everyone has wisdom teeth.”
False! Not everyone is born with wisdom teeth; they are the most commonly missing teeth, and not everyone needs them removed. - “Hydrogen peroxide and baking soda are good toothpaste replacements.”
False! While they are common components in toothpaste, they lack fluoride, which is essential for remineralizing and protecting enamel. - “You’re too old to get braces.”
False! There’s no age limit for braces or aligners; adults often seek them for both aesthetic and functional reasons. - “Teeth that have had root canals can’t feel.”
False! Teeth with root canals can’t feel pain from nerves, but you can still sense pressure due to surrounding ligaments. - “You’ll inevitably lose all your teeth when you’re old.”
False! Good oral hygiene and regular dental care can preserve natural teeth into old age, though genetics also play a role.
For more on each of these, enjoy:
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Eat To Beat Hyperthyroidism!
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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!
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
❝Would love to see more on eating vegan. I am allergic to soy in any form which seems to be in everything❞
There is a lot of it about, isn’t there? Happily, these days, a lot of meat and dairy alternatives are also made from other sources, for example pea protein is getting used a lot more nowadays in meat substitutes, and there are many kinds of alternatives to dairy (e.g. nut milks, oat milk, hemp milk, and—which is a branding nightmare but very healthy—pea milk).
You might like these previous main features of ours:
- Do We Need Animal Products To Be Healthy?
- The Whys and Hows of Cutting Down Meat Consumption
- Plant-Based Milks—What’s Best?
Also, if doing a whole foods plant-based diet, lentils (especially brown lentils) can be used as a great substitute for minced beef/lamb in recipes that call for such.
Boil the lentils (a liter of water to a cup of lentils is great; use a rice cooker if you have one!) along with the seasonings you will use (herbs appropriate to your dish, and then: black pepper is always good; you shouldn’t need to add salt; a teaspoon of low-sodium yeast extract is great though, or to really get the best nutritional benefits, nooch).
When it is done, you shouldn’t have excess water now, so just use as is, or if you want a slightly fatty kick, fry briefly in a little extra virgin olive oil, before using it however you were planning to use it.
Enjoy!
❝What foods should I eat for hyperthyroidism? My doctor tells me what foods to avoid, but not what to eat❞
Great question! We’ll have to do a main feature on hyperthyroidism one of these days, as so far we’ve only done features on hypothyroidism:
As for hyperthyroidism…
Depending on your medications, your doctor might recommend a low iodine diet. If so, then you might want to check out:
American Thyroid Association | Low Iodine Diet Plan
…for recommendations.
But in a way, that’s still a manner of “what to avoid” (iodine) and then the foods to eat to avoid that.
You may be wondering: is there any food that actively helps against hyperthyroidism, as opposed to merely does not cause problems?
And the answer is: yes!
Cruciferous vegetables (e.g. cabbage, sprouts, broccoli, cauliflower, etc) contain goitrin, which in immoderate quantities can cause problems for people with hypothyroidism because it can reduce thyroid hormone synthesis. If you have hyperthyroidism, however, this can work in your favor.
Read more: The role of micronutrients in thyroid dysfunction
The above paper focuses on children, but it was the paper we found that explains it most clearly while showing good science. However, the same holds true for adults:
Notwithstanding that the title comes from the angle of examining hypothyroidism, the mechanism of action makes clear its beneficence in the case of hyperthyroidism.
Selenium is also a great nutrient in the case of autoimmune hyperthyroidism, because it is needed to metabolize thyroid hormone (if you don’t metabolize it, it’ll just build up):
Selenium and Thyroid Disease: From Pathophysiology to Treatment
The absolute top best dietary source of selenium is Brazil nuts, to the point that people without hyperthyroidism have to take care to not eat more than a few per day (because too much selenium could then cause problems):
NIH | Selenium Fact Sheet for Health Professionals
(this contains information on the recommended amount, the upper limit amount, how much is in Brazil nuts and other foods, and what happens if you get too much or too little)
Note: after Brazil nuts (which are about 5 times more rich in selenium than the next highest source), the other “good” sources of selenium—mostly various kinds of fish—are also “good” source of iodine, so you might want to skip those.
Want more ideas?
You might like this from LivHealth:
Hyperthyroidism Diet: 9 Foods To Ease Symptoms
Enjoy!
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Slow-Cooker Moroccan Tagine
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Tagine (طاجين) (tā-jīn) is a traditional dish named after, well, the traditional dish that it’s cooked in. Here’s an example tagine pot on Amazon. It’s a very nifty bit of kit, and while it’s often used for cooking over charcoal, one of its features is that if you have a hot sunny day, you can just leave it out in the sun and it will cook the contents nicely. Today though, we’re going to assume you don’t have one of these, and are going to give instructions for cooking a tagine-style dish with a slow cooker, which we’re going to assume you do have.
You will need
- 2 large red onions, finely chopped
- 2 large red peppers, cut into 1″ chunks
- 2 large zucchini, cut into ½” chunks
- 1 large eggplant, cut into ½” chunks
- 3 cups tomato passata
- 2 cups cooked chickpeas
- 16 pitted Medjool dates, chopped
- ½ bulb garlic, finely chopped
- 1 tbsp ras el-hanout
- A little extra virgin olive oil
Method
(we suggest you read everything at least once before doing anything)
1) Let your slow cooker heat up while you chop the things that need chopping
2) Add a splash of olive oil to the slow cooker; ensure the base is coated and there’s a little oil spare in there too; a thin coat to the base plus a couple of tbsp should do it nicely.
3) Add the onions and garlic, and leave for an hour.
4) Add the passata, dates, ras el-hanout, stir it and leave for an hour.
5) Add the chickpeas, peppers, and eggplant; stir it and leave for an hour.
6) Add the zucchini, stir it and leave for an hour.
7) Serve—it goes great with its traditional pairing of wholegrain couscous, but if you prefer, you can use our tasty versatile rice. In broader culinary terms, serving it with any carb is fine.
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)
- What Matters Most For Your Heart? Eat More (Of This) For Lower Blood Pressure
- Our Top 5 Spices: How Much Is Enough For Benefits?
Take care!
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Detox: What’s Real, What’s Not, What’s Useful, What’s Dangerous?
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Detox: What’s Real, What’s Not, What’s Useful, What’s Dangerous?
Out of the subscribers who engaged in the poll, it looks like we have a lot of confidence in at least some detox approaches being useful!
Celery juice is most people’s go-to, and indeed it was the only one to get mentioned in the comments added. So let’s take a look at that first…
Celery juice
Celery juice is enjoyed by many people, with many health benefits in mind, including to:
- reduce inflammation
- lower blood pressure
- heal the liver
- fight cancer
- reduce bloating
- support the digestive system
- increase energy
- support weight loss
- promote good mental health
An impressive list! With such an impressive list, we would hope for an impressive weight of evidence, so regular readers might be wondering why those bullet-pointed items aren’t all shiny hyperlinks to studies backing those claims. The reason is…
There aren’t any high-quality studies that back any of those claims.
We found one case study (so, a study with a sample size of one; not amazing) that observed a blood pressure change in an elderly man after drinking celery juice.
Rather than trawl up half of PubMed to show the lacklustre results in a way more befitting of Research Review Monday, though, here’s a nice compact article detailing the litany of disappointment that is science’s observations regards celery juice:
Why Are People Juicing Their Celery? – by Allison Webster, PhD, RD
A key take-away is: juicing destroys the fiber that is celery’s biggest benefit, and its phytochemicals are largely unproven to be of use.
If you enjoy celery, great! It (when not juiced) is a great source of fiber and water. If you juice it, it’s a great source of water.
Activated Charcoal
Unlike a lot of greenery—whose “cleansing” benefits mostly come from fiber and disappear when juiced—activated charcoal has a very different way of operating.
Activated charcoal is negatively charged on a molecular level*, and that—along with its porous nature—traps toxins. It really is a superpowered detox that actually works very well indeed.
But…
It works very well indeed. It will draw out toxins so well, that it’s commonly used to treat poisonings. “Wait”, we hear you say, “why was that a but”?
It doesn’t know what a toxin is. It just draws out all of the things. You took medicine recently? Not any more you didn’t. You didn’t even take that medication orally, you took it some other way? Activated charcoal does not care:
- The effect of activated charcoal on drug exposure following intravenous administration: A meta-analysis
- Activated charcoal for acute overdose: a reappraisal
Does this mean that activated charcoal can be used to “undo” a night of heavy drinking?
Sadly not. That’s one of the few things it just doesn’t work for. It won’t work for alcohol, salts, or metals:
The Use of Activated Charcoal to Treat Intoxications
*Fun chemistry mnemonic about ions:
Cations are pussitive
Anions (by process of elimination) are negative
Onions taste good in salad (remember also: Cole’s Law)
Bottom line on detox foods/drinks:
- Fiber is great; juicing removes fiber. Eat your greens (don’t drink them)!
- Activated charcoal is the heavy artillery of detoxing
- Sometimes it will remove things you didn’t want removed, though
- It also won’t help against alcohol, sadly
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The Dangers Of Fires, Floods, & Having Your Hair Washed
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It’s a dangerous business, going out of your door… And this week’s news round-up looks at 5 reasons why that might be:
Superspreading like wildfire
Environmental health risks are a big topic these days, with our changing climate. As for wildfires? Some of the risks are obvious: burning to death or choking to death in the smoke—but even upon surviving the seemingly worst, more threats remain that themselves can still kill.
Those threats include that both burns and smoke inhalation can cause acute and chronic changes in the immune system. Specifically: changes for the worse. The mechanisms by which this happens depend on the nature of any burns received, and in the case of smoke, what exactly was in the smoke. Now, there is no kind of smoke that is healthy to inhale, but definitely some kinds are a lot worse than others, and let’s just say, people’s homes contain a lot of plastic.
Additionally, if you think someone coughing near you spreads germs, imagine how far germs can be spread by miles-high, miles-wide billowing hot air.
In short, there’s a lot going on and none of it is good, and we’ve barely had room to summarise here, so…
Read in full: Wildfires ignite infection risks by weakening the body’s immune defenses and spreading bugs in smoke
Related: What’s Lurking In Your Household Air?
A flood of diseases
*record scratch*
Environmental health risks are a big topic these days, with our changing climate. As for floods? Some of the risks are obvious: drowning to death or having your house washed away—but even upon surviving the seemingly worst, more threats remain that themselves can still kill.
Those threats include increases in deaths from infectious and parasitic diseases, and respiratory diseases in general. Simply, a place that has been waterlogged, even if it seems “safe” now, is not a healthy place to be, due to bacteria, viruses, fungi, and more. In fact, it even increases all-cause mortality, because being healthy in such a place is simply harder:
Read in full: Linked to higher mortality rates, large floods emerge as an urgent public health concern
Related: Dodging Dengue In The US
Don’t lose your head
Visiting the hairdresser is not something that most people consider a potential brush with death—your hairdresser is probably not Sweeney Todd, after all. However…
There is an issue specifically with getting your hair washed there. Backwash basins—the sink things into which one rests one’s head at a backwards tilt—create an awkward angle for the cervical vertebrae and a sudden reduction in blood flow to the brain can cause a stroke, with the risk being sufficiently notable as to have its own name in scientific literature: beauty parlor stroke syndrome (BPSS).
❝While research suggests BPSS is most likely to occur in women over 50—and previous history of narrowing or thinning of blood vessels and arthritis of the spinal column in the neck are particular risk factors—it could happen to anyone regardless of age or medical history.❞
Read in full: The hidden health risk of having your hair washed
Related: Your Stroke Survival Plan
The smartwatch wristbands that give you cancer
It’s about the PFAS content. The article doesn’t discuss cancer in detail, just mentioning the increased risk, but you can read about the link between the two in our article below.
Basically, if your smartwatch wristband is a) not silicone and b) waterproof anyway, especially if it’s stain-resistant (as most are designed to be, what with wearing it next to one’s skin all the time while exercising, and not being the sort of thing one throws in the wash), then chances are it has PFAS levels much higher than normally found in consumer goods or clothing.
You can read more about how to identify the risks, here:
Read in full: Smartwatch bands can contain high levels of toxic PFAS, study finds
Related: PFAS Exposure & Cancer: The Numbers Are High
The cows giving milk with a little extra
Bird flu (HPAI) is now not the only flu epidemic amongst cattle in the US, and not only that, but rather than “merely” colonizing the lungs and upper respiratory tracts, in this case the virus (IAV) is thriving in the mammary glands, meaning that yes, it gets dispensed into the milk, and so far scientists are simply scrambling to find better ways to vaccinate the cattle, in the hopes that the milk will not be so risky because yes, it is currently a “reservoir and transmission vector” for the virus.
There are, however, barriers to creating those vaccines:
Read in full: Unexpected viral reservoir: influenza A thrives in cattle mammary glands
Related: Cows’ Milk, Bird Flu, & You
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How To Heal And Regrow Receding Gums
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It’s Q&A Day at 10almonds!
Have a question or a request? You can always hit “reply” to any of our emails, or use the feedback widget at the bottom!
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
❝Hey Sheila – As always, your articles are superb !! So, I have a topic that I’d love you guys to discuss: green tea. I used to try + drink it years ago but I always got an allergic reaction to it. So the question I’d like answered is: Will I still get the same allergic reaction if I take the capsules ? Also, because it’s caffeinated, will taking it interfere with iron pills, other vitamins + meds ? I read that the health benefits of the decaffeinated tea/capsules are not as great as the caffeinated. Any info would be greatly appreciated !! Thanks much !!❞
Hi! I’m not Sheila, but I’ll answer this one in the first person as I’ve had a similar issue:
I found long ago that taking any kind of tea (not herbal infusions, but true teas, e.g. green tea, black tea, red tea, etc) on an empty stomach made me want to throw up. The feeling would subside within about half an hour, but I learned it was far better to circumvent it by just not taking tea on an empty stomach.
However! I take an l-theanine supplement when I wake up, to complement my morning coffee, and have never had a problem with that. Of course, my physiology is not your physiology, and this “shouldn’t” be happening to either of us in the first place, so it’s not something there’s a lot of scientific literature about, and we just have to figure out what works for us.
This last Monday I wrote (inspired in part by your query) about l-theanine supplementation, and how it doesn’t require caffeine to unlock its benefits after all, by the way. So that’s that part in order.
I can’t speak for interactions with your other supplements or medications without knowing what they are, but I’m not aware of any known issue, beyond that l-theanine will tend to give a gentler curve to the expression of some neurotransmitters. So, if for example you’re talking anything that affects that (e.g. antidepressants, antipsychotics, ADHD meds, sleepy/wakefulness meds, etc) then checking with your doctor is best.
❝Can you do something on collagen and keep use posted on pineapple, and yes love and look forward to each issue❞
Glad you’re enjoying! We did write a main feature on collagen a little while back! Here it is:
We Are Such Stuff As Fish Are Made Of
As for pineapple, there’s not a lot to keep you posted about! Pineapple’s protein-digesting, DNA-unzipping action is well-established and considered harmless (if your mouth feels weird when you eat pineapple or drink pineapple juice, this is why, by the way) because no meaningful damage was done.
For example:
- Pineapple’s bromelain action is akin to taking apart a little lego model brick by brick (easy to fix)
- Clastogenic genotoxicity is more like taking a blowtorch to the lego model (less easy to fix)
Fun fact: pineapple is good against inflammation, because of the very same enzyme!
❝I never knew anything about the l- tea. Where can I purchase it?❞
You can get it online quite easily! Here’s an example on Amazon
❝The 3 most important exercises don’t work if you can’t get on the floor. I’m 78, and have knee replacements. What about 3 best chair yoga stretches? Love your articles!❞
Here are six!
We turn the tables and ask you a question!
We’ll then talk about this tomorrow:
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Pumpkin Seeds vs Watermelon Seeds – Which is Healthier?
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Our Verdict
When comparing pumpkin seeds to watermelon seeds, we picked the watermelon.
Why?
Starting with the macros: pumpkin seeds have a lot more carbs, while watermelon seeds have a lot more protein, despite pumpkin seeds being famous for such. They’re about equal on fiber. In terms of fats, watermelon seeds are higher in fats, and yes, these are healthy fats, mostly polyunsaturated.
When it comes to vitamins, pumpkin seeds are marginally higher in vitamins A and C, while watermelon seeds are a lot higher in vitamins B1, B2, B3, B5, B6, and B9. An easy win for watermelon seeds here.
In the category of minerals, despite being famous for zinc, pumpkin seeds are higher only in potassium, while watermelon seeds are higher in iron, magnesium, manganese, and phosphorus; the two seeds are equal on calcium, copper, and zinc. Another win for watermelon seeds.
In short, enjoy both, but watermelon has more to offer. Of course, if buying just the seeds and not the whole fruit, it’s generally easier to find pumpkin seeds than watermelon seeds, so do bear in mind that pumpkin seeds’ second place isn’t that bad here—it’s just a case of a very nutritious food looking bad by standing next to an even better one.
Want to learn more?
You might like to read:
Seed Saving Secrets – by Alice Mirren
Take care!
Don’t Forget…
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