Toothpastes & Mouthwashes: Which Help And Which Harm?
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Toothpastes and mouthwashes: which kinds help, and which kinds harm?
You almost certainly brush your teeth. You might use mouthwash. A lot of people floss for three weeks at a time, often in January.
There are a lot of options for oral hygiene; variations of the above, and many alternatives too. This is a big topic, so rather than try to squeeze it all in one, this will be a several-part series.
For today, let’s look at toothpastes and mouthwashes, to start!
Toothpaste options
Toothpastes may contain one, some, or all of the following, so here are some notes on those:
Fluoride
Most toothpastes contain fluoride; this is generally recognized as safe though is not without its controversies. The fluoride content is the reason it’s recommended not to swallow toothpaste, though.
The fluoride in toothpaste can cause some small problems if overused; if you see unusually white patches on your teeth (your teeth are supposed to be ivory-colored, not truly white), that is probably a case of localized overcalcification because of the fluoride, and yes, you can have too much of a good thing.
Overall, the benefits are considered to far outweigh the risks, though.
Baking soda
Whether by itself or as part of a toothpaste, baking soda is a safe and effective choice, not just for cosmetic purposes, but for boosting genuine oral hygiene too:
- Enhanced plaque removal to improve gingival health: 3-month randomized clinical study of the effects of baking soda toothpaste on plaque and gingivitis
- The effects of two baking-soda toothpastes in enhancing mechanical plaque removal and improving gingival health: A 6-month randomized clinical study
- The efficacy of baking soda dentifrice in controlling plaque and gingivitis: A systematic review
Activated charcoal
Activated charcoal is great at removing many chemicals from things it touches. That includes the kind you might see on your teeth in the form of stains.
A topical aside on safety: activated charcoal is a common ingredient in a lot of black-colored Halloween-themed foods and drinks around this time of year. Beware, if you ingest these, there’s a good chance of it also cleaning out any meds you are taking. Ask your pharmacist about your own personal meds, but meds that (ingested) activated charcoal will usually remove include:
- Oral HRT / contraceptives
- Antidepressants (many kinds)
- Heart medications (at least several major kinds)
Toothpaste, assuming you are spitting-not-swallowing, won’t remove your medications though. Nor, in case you were worrying, will it strip tooth enamel, even if you have extant tooth enamel erosion:
Source: Activated charcoal toothpastes do not increase erosive tooth wear
However, it’s of no special extra help when it comes to oral hygiene itself, just removing stains.
So, if you’d like to use it for cosmetic reasons, go right ahead. If not, no need.
Hydrogen peroxide
This is generally not a good idea, speaking for the health. For whitening, yes, it works. But for health, not so much:
To be clear, when they say “alter”, they mean “in a bad way”. It increases inflammation and tissue damage.
If buying commercially-available whitening toothpaste made with hydrogen peroxide, the academic answer is that it’s a lottery, because brands’ proprietorial compounding processes vary widely and constantly with little oversight and even less transparency:
Is whitening toothpaste safe for dental health?: RDA-PE method
Mouthwash options
In the case of fluoride and hydrogen peroxide, the same advice (for and against) goes as per toothpaste.
Alcohol
There has been some concern about the potential carcinogenic effect of alcohol-based mouthwashes. According to the best current science, this one’s not an easy yes-or-no, but rather:
- If there are no other cancer risk factors, it does not seem to increase cancer risk
- If there are other cancer risk factors, it does make the risk worse
Read more:
- Does the use of alcohol mouthwash increase the risk of developing oral cancer?
- Alcohol-based mouthwash as a risk factor of oral cancer: A systematic review
Non-Alcohol
Non-alcoholic mouthwashes are not without their concerns either. In this case, the potential problem is changing the oral microbiome (we are supposed to have one!), and specifically, that the spread of what it kills and what it doesn’t may result in an imbalance that causes a lowering of the pH of the mouth.
Put differently: it makes your saliva more acidic.
Needless to say, that can cause its own problems for teeth. The research on this is still emerging, with regard to whether the benefits outweigh the problems, but the fact that it has this effect seems to be a consensus. Here’s an example paper; there are others:
Effects of Chlorhexidine mouthwash on the oral microbiome
Flossing, scraping, and alternatives
These are important (and varied, and interesting) enough to merit their own main feature, rather than squeezing them in at the end.
So, watch this space for a main feature on these soon!
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This Is Your Brain on Music – by Dr. Daniel Levitin
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Music has sometimes been touted as having cognitive benefits, by its practice and even by the passive experience of it. But what’s the actual science of it?
Dr. Levitin, an accomplished musician and neuroscientist, explores and explains.
We learn about how music in all likelihood allowed our ancestors to develop speech, something that set us apart (and ahead!) as a species. How music was naturally-selected-for in accordance with its relationship with health. How processing music involves almost every part of the brain. How music pertains specifically to memory. And more.
As a bonus, as well as explaining a lot about our brain, this book offers those of us with limited knowledge of music theory a valuable overview of the seven main dimensions of music, too.
Bottom line: if you’d like to know more about the many-faceted relationship between music and cognitive function, this is a top-tier book about such.
Click here to check out “This Is Your Brain On Music”, and learn more about yours!
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The Bee’s Knees?
If you’d like to pre-empt that runny nose, some say that local honey is the answer. The rationale is that bees visiting the local sources of pollen and making honey will introduce the same allergens to you in a non allergy-inducing fashion (the honey). The result? Inoculation against the allergens in question.
But does it work?
Researching this, we found a lot of articles saying there was no science to back it up.
And then! We found one solitary study from 2013, and the title was promising:
But we don’t stop at titles; that’s not the kind of newsletter we are. We pride ourselves on giving good information!
And it turned out, upon reading the method and the results, that:
- Both the control and test groups also took loratadine for the first 4 weeks of the study
- The test group additionally took 1g/kg bodyweight of honey, daily—so for example if you’re 165lb (75kg), that’s about 4 tablespoons per day
- The control group took the equivalent amount of honey-flavored syrup
- Both groups showed equal improvements by week 4
- The test group only showed continued improvements (over the control group) by week 8
The researchers concluded from this:
❝Honey ingestion at a high dose improves the overall and individual symptoms of AR, and it could serve as a complementary therapy for AR.❞
We at 10almonds concluded from this:
❝That’s a lot of honey to eat every day for months!❞
We couldn’t base an article on one study from a decade ago, though! Fortunately, we found a veritable honeypot of more recent research, in the form of this systematic review:
Read: The Potential Use Of Honey As A Remedy For Allergic Diseases
…which examines 13 key studies and 43 scientific papers over the course of 21 years. That’s more like it! This was the jumping-off point we needed into more useful knowledge.
We’re not going to cite all those here—we’re a health and productivity newsletter, not an academic journal of pharmacology, but we did sift through them so that you don’t have to, and:
The researchers (of that review) concluded:
❝Although there is limited evidence, some studies showed remarkable improvements against certain types of allergic illnesses and support that honey is an effective anti-allergic agent.❞
Our (10almonds team) further observations included:
- The research review notes that a lot of studies did not confirm which phytochemical compounds specifically are responsible for causing allergic reactions and/or alleviating such (so: didn’t always control for what we’d like to know, i.e. the mechanism of action)
- Some studies showed results radically different from the rest. The reviewers put this down to differences that were not controlled-for between studies, for example:
- Some studies used very different methods to others. There may be an important difference between a human eating a tablespoon of honey, and a rat having aerosolized honey shot up its nose, for instance. We put more weight to human studies than rat studies!
- Some kinds of honey (such as manuka) contain higher quantities of gallic acid which itself can relieve allergies by chemically inhibiting the release of histamine. In other words, never mind pollen-based inoculations… it’s literally an antihistamine.
- Certain honeys (such as tualang, manuka and gelam) contain higher quantities of quercetin. What’s quercetin? It’s a plant flavonoid that a recent study has shown significantly relieves symptoms of seasonal allergies. So again, it works, just not for the reason people say!
In summary:
The “inoculation by local honey” thing specifically may indeed remain “based on traditional use only” for now.
But! Honey as a remedy for allergies, especially manuka honey, has a growing body of scientific evidence behind it.
Bottom line:
If you like honey, go for it (manuka seems best)! It may well relieve your symptoms.
If you don’t, off-the-shelf antihistamines remain a perfectly respectable option.
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Hearing loss is twice as common in Australia’s lowest income groups, our research shows
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Around one in six Australians has some form of hearing loss, ranging from mild to complete hearing loss. That figure is expected to grow to one in four by 2050, due in a large part to the country’s ageing population.
Hearing loss affects communication and social engagement and limits educational and employment opportunities. Effective treatment for hearing loss is available in the form of communication training (for example, lipreading and auditory training), hearing aids and other devices.
But the uptake of treatment is low. In Australia, publicly subsidised hearing care is available predominantly only to children, young people and retirement-age people on a pension. Adults of working age are mostly not eligible for hearing health care under the government’s Hearing Services Program.
Our recent study published in the journal Ear and Hearing showed, for the first time, that working-age Australians from lower socioeconomic backgrounds are at much greater risk of hearing loss than those from higher socioeconomic backgrounds.
We believe the lack of socially subsidised hearing care for adults of working age results in poor detection and care for hearing loss among people from disadvantaged backgrounds. This in turn exacerbates social inequalities.
Population data shows hearing inequality
We analysed a large data set called the Household, Income and Labour Dynamics in Australia (HILDA) survey that collects information on various aspects of people’s lives, including health and hearing loss.
Using a HILDA sub-sample of 10,719 working-age Australians, we evaluated whether self-reported hearing loss was more common among people from lower socioeconomic backgrounds than for those from higher socioeconomic backgrounds between 2008 and 2018.
Relying on self-reported hearing data instead of information from hearing tests is one limitation of our paper. However, self-reported hearing tends to underestimate actual rates of hearing impairment, so the hearing loss rates we reported are likely an underestimate.
We also wanted to find out whether people from lower socioeconomic backgrounds were more likely to develop hearing loss in the long run.
Hearing care is publicly subsidised for children.
mady70/ShutterstockWe found people in the lowest income groups were more than twice as likely to have hearing loss than those in the highest income groups. Further, hearing loss was 1.5 times as common among people living in the most deprived neighbourhoods than in the most affluent areas.
For people reporting no hearing loss at the beginning of the study, after 11 years of follow up, those from a more deprived socioeconomic background were much more likely to develop hearing loss. For example, a lack of post secondary education was associated with a more than 1.5 times increased risk of developing hearing loss compared to those who achieved a bachelor’s degree or above.
Overall, men were more likely to have hearing loss than women. As seen in the figure below, this gap is largest for people of low socioeconomic status.
Why are disadvantaged groups more likely to experience hearing loss?
There are several possible reasons hearing loss is more common among people from low socioeconomic backgrounds. Noise exposure is one of the biggest risks for hearing loss and people from low socioeconomic backgrounds may be more likely to be exposed to damaging levels of noise in jobs in mining, construction, manufacturing, and agriculture.
Lifestyle factors which may be more prevalent in lower socioeconomic communities such as smoking, unhealthy diet, and a lack of regular exercise are also related to the risk of hearing loss.
Finally, people with lower incomes may face challenges in accessing timely hearing care, alongside competing health needs, which could lead to missed identification of treatable ear disease.
Why does this disparity in hearing loss matter?
We like to think of Australia as an egalitarian society – the land of the fair go. But nearly half of people in Australia with hearing loss are of working age and mostly ineligible for publicly funded hearing services.
Hearing aids with a private hearing care provider cost from around A$1,000 up to more than $4,000 for higher-end devices. Most people need two hearing aids.
Hearing loss might be more common in low income groups because they’re exposed to more noise at work.
Dmitry Kalinovsky/ShutterstockLack of access to affordable hearing care for working-age adults on low incomes comes with an economic as well as a social cost.
Previous economic analysis estimated hearing loss was responsible for financial costs of around $20 billion in 2019–20 in Australia. The largest component of these costs was productivity losses (unemployment, under-employment and Jobseeker social security payment costs) among working-age adults.
Providing affordable hearing care for all Australians
Lack of affordable hearing care for working-age adults from lower socioeconomic backgrounds may significantly exacerbate the impact of hearing loss among deprived communities and worsen social inequalities.
Recently, the federal government has been considering extending publicly subsidised hearing services to lower income working age Australians. We believe reforming the current government Hearing Services Program and expanding eligibility to this group could not only promote a more inclusive, fairer and healthier society but may also yield overall cost savings by reducing lost productivity.
All Australians should have access to affordable hearing care to have sufficient functional hearing to achieve their potential in life. That’s the land of the fair go.
Mohammad Nure Alam, PhD Candidate in Economics, Macquarie University; Kompal Sinha, Associate Professor, Department of Economics, Macquarie University, and Piers Dawes, Professor, School of Health and Rehabilitation Sciences, The University of Queensland
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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The Many Health Benefits Of Garlic
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The Many Health Benefits of Garlic
We’re quite confident you already know what garlic is, so we’re going to leap straight in there with some science today:
First, let’s talk about allicin
Allicin is a compound in garlic that gives most of its health benefits. A downside of allicin is that it’s not very stable, so what this means is:
- Garlic is best fresh—allicin breaks down soon after garlic is cut/crushed
- So while doing the paperwork isn’t fun, buying it as bulbs is better than buying it as granules or similar
- Allicin also breaks down somewhat in cooking, so raw garlic is best
- Our philosophy is: still use it in cooking as well; just use more!
- Supplements (capsule form etc) use typically use extracts and potency varies (from not great to actually very good)
Read more about that:
- Short-term heating reduces the anti-inflammatory effects of fresh raw garlic extracts
- Allicin Bioavailability and Bioequivalence from Garlic Supplements and Garlic Foods
Now, let’s talk benefits…
Benefits to heart health
Garlic has been found to be as effective as the drug Atenolol at reducing blood pressure:
It also lowers LDL (bad cholesterol):
Benefits to the gut
We weren’t even looking for this, but as it turns out, as an add-on to the heart benefits…
Benefits to the immune system
Whether against the common cold or bringing out the heavy guns, garlic is a booster:
- Preventing the common cold with a garlic supplement: a double-blind, placebo-controlled survey
- Supplementation with aged garlic extract improves both NK and γδ-T cell function and reduces the severity of cold and flu symptoms: a randomized, double-blind, placebo-controlled nutrition intervention
Benefits to the youthfulness of body and brain
Garlic is high in antioxidants that, by virtue of reducing oxidative stress, help slow aging. This effect, combined with the cholesterol and blood pressure benefits, means it may also reduce the risk of Alzheimer’s and other forms of dementia:
- Antioxidant health effects of aged garlic extract
- Effects of garlic consumption on plasma and erythrocyte antioxidant parameters in elderly subjects
- Garlic reduces heart disease and dementia risk
There are more benefits too…
That’s all we have time to dive into study-wise today, but for the visually-inclined, here are yet more benefits to garlic (at a rate of 3–4 cloves per day):
An incredible awesome recipe using lots of garlic:
- Take small potatoes (still in their skins), cut in half
- Add enough peeled cloves of garlic so that you have perhaps a 1:10 ratio of garlic to potato by mass
- Boil (pressure-cooking is ideal) until soft, and drain
- Keeping them in the pan, add a lashing of olive oil, and any additional seasonings per your preference (consider black pepper, rosemary, thyme, parsley)
- Put a lid on the pan, and holding it closed, shake the pan vigorously
- Note: if you didn’t leave the skins on, or you chopped much larger potatoes smaller instead of cutting in half, the potatoes will break up into a rough mash now. This is actually also fine and still tastes (and honestly, looks) great, but it is different, so just be aware, so that you get the outcome you want.
- The garlic, which—unlike the potatoes—didn’t have a skin to hold it together, will now have melted over the potatoes like butter
You can serve like this (it’s delicious already) or finish up in the oven or air-fryer or under the grill, if you prefer a roasted style dish (an amazing option too).
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- Garlic is best fresh—allicin breaks down soon after garlic is cut/crushed
Coconut Milk vs Soy Milk – Which is Healthier?
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Our Verdict
When comparing coconut milk to soy milk, we picked the soy.
Why?
First, because there are many kinds of both, let’s be clear which ones we’re comparing. For both, we picked the healthiest options commonly available, which were:
- Soy milk, unsweetened, fortified
- Coconut milk, raw (liquid expressed from grated meat and water)
Macronutrients are our first consideration; coconut milk has about 3x the carbs and about 14x the fat. Now, the fats are famously healthy medium-chain triglycerides (MCTs), but still, one cup of coconut milk contains about 2.5x the recommended daily amount of saturated fat, so it’s wise to go easy on that. Coconut milk also has about 4x the fiber, but still, because the saturated fat difference, we’re calling this one a win for soy milk.
In the category of vitamins, the fortified soy milk wins. In case you’re curious: milk in general (animal or plant) is generally fortified with vitamin D (in N. America, anyway; other places may vary), and vitamin B12. In this case, the soy milk has those, plus some natural vitamins, meaning it has more of vitamins A, B1, B2, B6, and D, while coconut milk has more of vitamins B3, B5, and C. A fair win for soy milk.
When it comes to minerals, the only fortification for the soy milk is calcium, of which it has more than 7x what coconut milk has. The coconut milk, however, has more copper, iron, magnesium, phosphorus, and potassium. An easy win for coconut milk.
Adding up the sections gives us a win for soy milk—but if consumed in moderation as part of a diet otherwise low in saturated fat, a case could be made for the coconut.
The real take-away here today is not this specific head-to-head but rather: milks (animal or plant) vary a lot, have a lot of different fortifications and/or additives, and yes that goes even for brands (cow milk brands do this a lot) who don’t advertise their additives because their branding is going for a “natural” look. So, read labels, and make informed decisions about which additives you do or don’t want.
Enjoy!
Want to learn more?
You might like to read:
Take care!
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10almonds Tells The Tea…
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Let’s Bust Some Myths!
It’s too late after puberty, hormones won’t change xyz
While yes, many adult trans people dearly wish they’d been able to medically transition before going through the “wrong” puberty, the truth is that a lot of changes will still occur later… even to “unchangeable” things like the skeleton.
The body is remaking itself throughout life, and hormones tell it how to do that. Some parts are just quicker or slower than others. Also: the skeleton is pulled-on constantly by our muscles, and in a battle of muscle vs bone, muscle will always win over time.
Examples of this include:
- trans men building bigger bones to support their bigger muscles
- trans women getting smaller, with wider hips and a pelvic tilt
Trans people have sporting advantages
Assuming at least a year’s cross-sex hormonal treatment, there is no useful advantage to being trans when engaging in a sport. There are small advantages and disadvantages (which goes for any person’s body, really). For example:
- Trans women will tend to be taller than cis women on average…
- …but that larger frame is now being powered by smaller muscles, because they shrink much quicker than the skeleton.
- Trans men taking T are the only athletes allowed to take testosterone…
- …but they will still often be smaller than their fellow male competitors, for example.
Read: Do Trans Women Athletes Have Advantages? (A rather balanced expert overview, which does also cover trans men)
There’s a trans population explosion; it’s a social contagion epidemic!
Source for figures: The Overall Rate Of Left-Handedness (Researchgate)
Left-handed people used to make up around 3% of the population… Until the 1920s, when that figure jumped sharply upwards, before plateauing at around 12% in around 1960, where it’s stayed since. What happened?! Simple, schools stopped forcing children to use their right hand.
Today, people ask for trans healthcare because they know it exists! Decades ago, it wasn’t such common knowledge.
The same explanation can be applied to other “population explosions” such as for autism and ADHD.
Fun fact: Mt. Everest was “discovered” in 1852, but scientists suspect it probably existed long before then! People whose ancestors were living on it long before 1852 also agree. Sometimes something exists for a long time, and only comes to wider public awareness later.
Transgender healthcare is too readily available, especially to children!
To believe some press outlets, you’d think:
- HRT is available from school vending machines,
- kids can get a walk-in top surgery at recess,
- and there’s an after-school sterilization club.
In reality, while availability varies from place to place, trans healthcare is heavily gatekept. Even adults have trouble getting it, often having to wait years and/or pay large sums of money… and get permission from a flock of doctors, psychologists, and the like. For those under the age of 18, it’s almost impossible in many places, even with parental support.
Puberty-blockers shouldn’t be given to teenagers, as the effects are irreversible
Quick question: who do you think should be given puberty-blockers? For whom do you think they were developed? Not adults, for sure! They were not developed for trans teens either, but for cis pre-teens with precocious puberty, to keep puberty at bay, to do it correctly later. Nobody argues they’re unsafe for much younger cis children, and only object when it’s trans teens.
They’re not only safe and reversible, but also self-reversing. Stop taking them, and the normally scheduled puberty promptly ensues by itself. For trans kids, the desired effect is to buy the kid time to make an informed and well-considered decision. After all, the effects of the wrong puberty are really difficult to undo!
A lot of people rush medical transition and regret it!
Trans people wish it could be rushed! It’s a lot harder to get gender-affirming care as a trans person, than it is to get the same (or comparable) care as a cis person. Yes, cis people get gender-affirming care, from hormones to surgeries, and have done for a long time.
As for regret… Medical transition has around a 1% regret rate. For comparison, hip replacement has a 4.8% regret rate and knee replacement has a 17.1% regret rate.
A medical procedure with a 99% success rate would generally be considered a miracle cure!
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