What Is Earwax & Should You Get Rid Of It?

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Earwax (cerumen) forms in the outer ear canal when dead skin cells mix with oily sweat (a specialty of the apocrine glands) and sebum, a fatty substance mostly associated with facial oiliness. But, does it have a purpose, or is it just a waste product?

Nature is (mostly) best in this case

Earwax plays an important role in ear health, acting as a natural lubricant that prevents dryness and itchiness, trapping debris and microbes, and forming a protective barrier for the ear canal. It even contains proteins that help fight bacterial infections.

As for removal: the body has a natural mechanism for removing excess earwax: as skin cells grow, they migrate outward, carrying earwax with them.

In contrast, manual removal of earwax can do more harm than good. Using swabs or other items often pushes wax deeper, risks damaging the ear canal, and disrupts its protective barrier, potentially leading to infection.

Ear candling, which claims to extract earwax, not only does not work (its main premise has been actively disproven and clinical evidence shows unequivocally that it doesn’t work by any mysterious method either; it just plain doesn’t work), but also can cause injuries and will tend to leave more harmful debris behind than was there originally.

For those prone to earwax buildup, over-the-counter eardrops can help soften wax for natural removal, and medical professionals have safe methods to clear blockages if necessary.

To maintain ear health, it’s best to clean only the outer ear with a damp cloth, limit the use of earplugs or earbuds, and generally leave earwax alone unless it causes discomfort or hearing issues.

For more on all of this, enjoy:

Click Here If The Embedded Video Doesn’t Load Automatically!

Want to learn more?

You might also like to read:

Ear Candling: Is It Safe & Does It Work? ← the answer is “no and no”, but the science may interest you

Take care!

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  • Oh, Honey

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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:

    Ingestion of honey improves the symptoms of allergic rhinitis: evidence from a randomized placebo-controlled trial

    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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  • Cashews vs Peanuts – Which is Healthier?

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    Our Verdict

    When comparing cashews to peanuts, we picked the peanuts.

    Why?

    Another one for “that which is more expensive is not necessarily the healthier”! Although, certainly both are good:

    In terms of macros, cashews have about 2x the carbs while peanuts have a little more (healthy!) fat and more than 2x the fiber, meaning that peanuts also enjoy the lower glycemic index. All in all, a fair win for peanuts here.

    When it comes to vitamins, cashews have more of vitamins B6 and K, while peanuts have a lot more of vitamins B1, B2, B3, B5, B7, B9, and E. Another easy win for peanuts.

    In the category of minerals; cashews have more copper, iron, magnesium, phosphorus, and selenium, while peanuts have more calcium, manganese, and potassium. A win for cashews, this time.

    Adding up the sections makes for an overall win for peanuts, but (assuming you are not allergic) enjoy either or both! In fact, enjoying both is best; diversity is good.

    Want to learn more?

    You might like to read:

    Why You Should Diversify Your Nuts!

    Take care!

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  • How old’s too old to be a doctor? Why GPs and surgeons over 70 may need a health check to practise

    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.

    A growing number of complaints against older doctors has prompted the Medical Board of Australia to announce today that it’s reviewing how doctors aged 70 or older are regulated. Two new options are on the table.

    The first would require doctors over 70 to undergo a detailed health assessment to determine their current and future “fitness to practise” in their particular area of medicine.

    The second would require only general health checks for doctors over 70.

    A third option acknowledges existing rules requiring doctors to maintain their health and competence. As part of their professional code of conduct, doctors must seek independent medical and psychological care to prevent harming themselves and their patients. So, this third option would maintain the status quo.

    PeopleImages.com – Yuri A/Shutterstock

    Haven’t we moved on from set retirement ages?

    It might be surprising that stricter oversight of older doctors’ performance is proposed now. Critics of mandatory retirement ages in other fields – for judges, for instance – have long questioned whether these rules are “still valid in a modern society”.

    However, unlike judges, doctors are already required to renew their registration annually to practise. This allows the Medical Board of Australia not only to access sound data about the prevalence and activity of older practitioners, but to assess their eligibility regularly and to conduct performance assessments if and when they are needed.

    What has prompted these proposals?

    This latest proposal identifies several emerging concerns about older doctors. These are grounded in external research about the effect of age on doctors’ competence as well as the regulator’s internal data showing surges of complaints about older doctors in recent years.

    Studies of medical competence in ageing doctors show variable results. However, the Medical Board of Australia’s consultation document emphasises studies of neurocognitive loss. It explains how physical and cognitive impairment can lead to poor record-keeping, improper prescribing, as well as disruptive behaviour.

    The other issue is the number of patient complaints against older doctors. These “notifications” have surged in recent years, as have the number of disciplinary actions against older doctors.

    In 2022–2023, the Medical Board of Australia took disciplinary action against older doctors about 1.7 times more often than for doctors under 70.

    In 2023, notifications against doctors over 70 were 81% higher than for the under 70s. In that year, patients sent 485 notifications to the Medical Board of Australia about older doctors – up from 189 in 2015.

    While older doctors make up only about 5.3% of the doctor workforce in Australia (less than 1% over 80), this only makes the high numbers of complaints more starkly disproportionate.

    It’s for these reasons that the Medical Board of Australia has determined it should take further regulatory action to safeguard the health of patients.

    So what distinguishes the two new proposed options?

    The “fitness to practise” assessment option would entail a rigorous assessment of doctors over 70 based on their specialisation. It would be required every three years after the age of 70 and every year after 80.

    Surgeons, for example, would be assessed by an independent occupational physician for dexterity, sight and the ability to give clinical instructions.

    Importantly, the results of these assessments would usually be confidential between the assessor and the doctor. Only doctors who were found to pose a substantial risk to the public, which was not being managed, would be obliged to report their health condition to the Medical Board of Australia.

    The second option would be a more general health check not linked to the doctor’s specific role. It would occur at the same intervals as the “fitness to practise” assessment. However, its purpose would be merely to promote good health-care decision-making among health practitioners. There would be no general obligation on a doctor to report the results to the Medical Board of Australia.

    In practice, both of these proposals appear to allow doctors to manage their own general health confidentially.

    Surgeons operating in theatre
    Older surgeons could be independently assessed for dexterity, sight and the ability to give clinical instructions. worradirek/Shutterstock

    The law tends to prioritise patient safety

    All state versions of the legal regime regulating doctors, known as the National Accreditation and Registration Scheme, include a “paramountcy” provision. That provision basically says patient safety is paramount and trumps all other considerations.

    As with legal regimes regulating childcare, health practitioner regulation prioritises the health and safety of the person receiving the care over the rights of the licensed professional.

    Complicating this further, is the fact that a longstanding principle of health practitioner regulation has been that doctors should not be “punished” for errors in practice.

    All of this means that reforms of this nature can be difficult to introduce and that the balance between patient safety and professional entitlements must be handled with care.

    Could these proposals amount to age discrimination?

    It is premature to analyse the legal implications of these proposals. So it’s difficult to say how these proposals interact with Commonwealth age- and other anti-discrimination laws.

    For instance, one complication is that the federal age discrimination statute includes an exemption to allow “qualifying bodies” such as the Medical Board of Australia to discriminate against older professionals who are “unable to carry out the inherent requirements of the profession, trade or occupation because of his or her age”.

    In broader terms, a licence to practise medicine is often compared to a licence to drive or pilot an aircraft. Despite claims of discrimination, New South Wales law requires older drivers to undergo a medical assessment every year; and similar requirements affect older pilots and air traffic controllers.

    Where to from here?

    When changes are proposed to health practitioner regulation, there is typically much media attention followed by a consultation and behind-the-scenes negotiation process. This issue is no different.

    How will doctors respond to the proposed changes? It’s too soon to say. If the proposals are implemented, it’s possible some older doctors might retire rather than undergo these mandatory health assessments. Some may argue that encouraging more older doctors to retire is precisely the point of these proposals. However, others have suggested this would only exacerbate shortages in the health-care workforce.

    The proposals are open for public comment until October 4.

    Christopher Rudge, Law lecturer, University of Sydney

    This article is republished from The Conversation under a Creative Commons license. Read the original article.

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  • Lycopene’s Benefits For The Gut, Heart, Brain, & More

    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.

    What Doesn’t Lycopene Do?

    Lycopene is an antioxidant carotenoid famously found in tomatoes; it actually appears in even higher levels in watermelon, though. If you are going to get it from tomato, know that cooking improves the lycopene content rather than removing it (watermelon, on the other hand, can be enjoyed as-is and already has the higher lycopene content).

    Antioxidant properties

    Let’s reiterate the obvious first, for the sake of being methodical and adding a source. Lycopene is a potent antioxidant with multiple health benefits:

    Lycopene: A Potent Antioxidant with Multiple Health Benefits

    …and as such, it does all the things you might reasonably expect and antioxidant to do. For example…

    Anti-inflammatory properties

    In particular, it regulates macrophage activity, reducing inflammation while improving immune response:

    Lycopene Regulates Macrophage Immune Response through the Autophagy Pathway Mediated by RIPK1

    As can be expected of most antioxidants and anti-inflammatory agents, it also has…

    Anticancer properties

    Scientific papers tend to be “per cancer type”, so we’re just going to give one example, but there’s pretty much evidence for its utility against most if not all types of cancer. We’re picking prostate cancer though, as it’s one that’s been studied the most in the context of lycopene intake—in this study, for example, it was found that men who enjoyed at least two servings of lycopene-rich tomato sauce per week were 30% less likely to develop prostate cancer than those who didn’t:

    Dietary lycopene intake and risk of prostate cancer defined by ERG protein expression

    If you’d like to see something more general, however, then check out:

    Potential Use of Tomato Peel, a Rich Source of Lycopene, for Cancer Treatment

    It also fights Candida albicans

    Ok, this is not (usually) so life-and-death as cancer, but reducing our C. albicans content (specifically: in our gut) has a lot of knock-on effects for other aspects of our health, so this isn’t one to overlook:

    Lycopene induces apoptosis in Candida albicans through reactive oxygen species production and mitochondrial dysfunction

    The title does not make this clear, but yes: this does mean it has an antifungal effect. We mention this because often cellular apoptosis is good for an overall organism, but in this case, it simply kills the Candida.

    It’s good for the heart

    A lot of studies focus just on triglyceride markers (which lycopene improves), but more tellingly, here’s a 10-year observational study in which diets rich in lycopene were associated to a 17–26% lower risk of heart disease:

    Relationship of lycopene intake and consumption of tomato products to incident CVD

    …and a 39% overall reduced mortality in, well, we’ll let the study title tell it:

    Higher levels of serum lycopene are associated with reduced mortality in individuals with metabolic syndrome

    …which means also:

    It’s good for the brain

    As a general rule of thumb, what’s good for the heart is good for the brain (because the brain needs healthy blood flow to stay healthy, and is especially vulnerable when it doesn’t get that), and in this case that rule of thumb is also borne out by the post hoc evidence, specifically yielding a 31% decreased incidence of stroke:

    Dietary and circulating lycopene and stroke risk: a meta-analysis of prospective studies

    Is it safe?

    As a common food product, it is considered very safe.

    If you drink nothing but tomato juice all day for a long time, your skin will take on a reddish hue, which will go away if you stop getting all your daily water intake in tomato juice.

    In all likelihood, even if you went to extremes, you would get sick from the excess of vitamin A (generally present in the same foods) sooner than you’d get sick from the excess of lycopene.

    Want to try some?

    We don’t sell it, and also we recommend simply enjoying tomatoes, watermelons, etc, but if you do want a supplement, here’s an example product on Amazon

    Enjoy!

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  • Steps vs Cardio | Which is Best for Fat Loss, Health, & Performance?

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    “Move more”, they say; but does it matter how quickly?

    Use it or lose it

    For general performance:

    • More steps per day do offer slight aerobic benefits but do not significantly improve endurance.
    • Higher-intensity cardio (ideally, HIIT) is essential for improving aerobic fitness.
    • Training should match endurance goals (e.g. long-distance running vs team sports vs whatever it is that you care about for you).

    For general health:

    • Both cardio and step tracking reduce mortality risk and improve longevity.
    • 2–3 hours of cardio per week provides most health benefits, with diminishing returns after 8 hours per week.
    • 10,000+ steps/day is optimal, but 5,000+ steps/day still benefits health. And, not mentioned in this video, but really (per science) there seem to be diminishing returns after about 8,000 steps per day.

    Fun fact: the reason it’s 10,000 steps per day that everyone talks about as the default goal, is just because the Japanese person who popularized it noted that the kanji for 10,000 looks a bit like a walking person: 万

    For fat loss:

    • Both step tracking and cardio do help.
    • Step tracking better reflects total daily movement, while cardio burns calories in sessions—but if it’s not HIIT, there is likely to be a compensatory metabolic slump afterwards.
    • High-intensity cardio increases fatigue, which may impact resistance training and diet adherence.
    • Excessive endurance training can slightly inhibit muscle growth, but low-intensity steps have minimal interference.

    So for fat loss, it’s best to get those steps in, and throw in a few HIIT sessions per week, with adequate recovery time between them.

    For more on all of these things, enjoy:

    Click Here If The Embedded Video Doesn’t Load Automatically!

    Want to learn more?

    You might also like to read:

    How To Do HIIT (Without Wrecking Your Body)

    Take care!

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  • From Strength to Strength – by Dr. Arthur Brooks

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    For most professions, there are ways in which performance can be measured, and the average professional peak varies by profession, but averages are usually somewhere in the 30–45 range, with a pressure to peak between 25–35.

    With a peak by age 45 or perhaps 50 at the latest (aside from some statistical outliers, of course), what then to expect at age 50+? Not long after that, there’s a reason for mandatory retirement ages in some professions.

    Dr. Brooks examines the case for accepting that rather than fighting it, and/but making our weaknesses into our strengths as we go. If our fluid intelligence slows, our accumulated crystal intelligence (some might call it “wisdom“) can make up for it, for example.

    But he also champions the idea of looking outside of ourselves; of the importance of growing and fostering connections; giving to those around us and receiving support in turn; not transactionally, but just as a matter of mutualism of the kind found in many other species besides our own. Indeed, Dr. Brooks gives the example of a grove of aspen trees (hence the cover art of this book) that do exactly that.

    The style is very accessible in terms of language but with frequent scientific references, so very much a “best of both worlds” in terms of readability and information-density.

    Bottom line: if ever you’ve wondered at what age you might outlive your usefulness, this book will do as the subtitle suggests, and help you carve out your new place.

    Click here to check out From Strength To Strength, and find yours!

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