Body Scrubs: Benefits, Risks, and Guidance
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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
❝I was wondering whether I should be using a body scrub in the shower, rather than just soap. What should guide me in the choice of a body scrub, and are there any risks to be aware of?❞
Body scrubs are great for giving skin a healthy glow, but are best used sparingly—over-exfoliation leads to the opposite effect (unhappy skin, premature skin aging, etc).
As for contents:
- microplastics are now banned in most places, but you might want to check any products (and their containers!) are BPA-free, pthalate free, etc.
- fragrances in body scrubs are usually a bad idea, and many essential oils have been shown to be endocrine-disruptors, which you do not want:
About the microplastics, harmful artificial chemicals in general, and what constitutes “etc”:
About the fragrances’ (including “natural” essential oils’) endocrine-disrupting shenanigans:
Endocrine-disrupting chemicals: an Endocrine Society scientific statement
So, what might you want to use instead?
If you’re feeling adventurous, you might like to try treating yourself to a pineapple-based mask instead (a muslin cloth soaked in pineapple juice will work just fine; please don’t waterboard yourself though), as the bromelain enzymes (found very generously in pineapple juice) break down dead cells without the need for scrubbing.
Another option is a homemade salt- or sugar-scrub. Put your salt or sugar into a jar, add enough warm water to cover it, leave it for about a day, adding more water if it seems in danger of drying out, until it recrystallizes with a high water content keeping it malleable to the touch; congratulations, you now have a very simple scrub. This should still not be used more than, say, once per week, though.
Last but not least, you might consider investing in a konjac sponge; they gently remove dead skin without damaging living skin. Here’s an example product on Amazon, for your convenience
For more on gentle-yet-effective skincare, you might like to read:
Clean: The New Science of Skin and the Beauty of Doing Less
Enjoy!
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Demystifying Cholesterol
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All About Cholesterol
When it comes to cholesterol, the most common lay understanding (especially under a certain age) is “it’s bad”.
A more informed view (and more common after a certain age) is “LDL cholesterol is bad; HDL cholesterol is good”.
A more nuanced view is “LDL cholesterol is established as significantly associated with (and almost certainly a causal factor of) atherosclerotic cardiovascular disease and related mortality in men; in women it is less strongly associated and may or may not be a causal factor”
You can read more about that here:
Statins: His & Hers? ← we highly recommend reading this, especially if you are a woman and/or considering/taking statins. To be clear, we’re not saying “don’t take statins!”, because they might be the right medical choice for you and we’re not your doctors. But we are saying: here’s something to at least know about and consider.
Beyond HDL & LDL
There is also VLDL cholesterol, which as you might have guessed, stands for “very low-density lipoprotein”. It has a high, unhealthy triglyceride content, and it increases atherosclerotic plaque. In other words, it hardens your arteries more quickly.
The term “hardening the arteries” is an insufficient descriptor of what’s happening though, because while yes it is hardening the arteries, it’s also narrowing them. Because minerals and detritus passing through in the blood (the latter sounds bad, but there is supposed to be detritus passing through in the blood; it’s got to get out of the body somehow, and it’s off to get filtered and excreted) get stuck in the cholesterol (which itself is a waxy substance, by the way) and before you know it, those minerals and other things have become a solid part of the interior of your artery wall, like a little plastering team came and slapped plaster on the inside of the walls, then when it hardened, slapped more plaster on, and so on. Macrophages (normally the body’s best interior clean-up team) can’t eat things much bigger than themselves, so that means they can’t tackle the build-up of plaque.
Impact on the heart
Narrower less flexible arteries means very poor circulation, which means that organs can start having problems, which obviously includes your heart itself as it is not only having to do a harder job to keep the blood circulating through the narrower blood vessels, but also, it is not immune to also being starved of oxygen and nutrients along with the rest of the body when the circulation isn’t good enough. It’s a catch 22.
What if LDL is low and someone is getting heart disease anyway?
That’s often a case of apolipoprotein B, and unlike lipoprotein A, which is bound to LDL so usually* isn’t a problem if LDL is in “safe” ranges, Apo-B can more often cause problems even when LDL is low. Neither of these are tested for in most standard cholesterol tests by the way, so you might have to ask for them.
*Some people, around 1 in 20 people, have hereditary extra risk factors for this.
What to do about it?
Well, get those lipids tests! Including asking for the LpA and Apo-B tests, especially if you have a history of heart disease in your family, or otherwise know you have a genetic risk factor.
With or without extra genetic risks, it’s good to get lipids tests done annually from 40 onwards (earlier, if you have extra risk factors).
See also: Understanding your cholesterol numbers
Wondering whether you have an increased genetic risk or not?
Genetic Testing: Health Benefits & Methods ← we think this is worth doing; it’s a “one-off test tells many useful things”. Usually done from a saliva sample, but some companies arrange a blood draw instead. Cost is usually quite affordable; do shop around, though.
Additionally, talk to your pharmacist to check whether any of your meds have contraindications or interactions you should be aware of in this regard. Pharmacists usually know contraindications/interactions stuff better than doctors, and/but unlike doctors, they don’t have social pressure on them to know everything, which means that if they’re not sure, instead of just guessing and reassuring you in a confident voice, they’ll actually check.
Lastly, shocking nobody, all the usual lifestyle medicine advice applies here, especially get plenty of moderate exercise and eat a good diet, preferably mostly if not entirely plant-based, and go easy on the saturated fat.
Note: while a vegan diet contains zero dietary cholesterol (because plants don’t make it), vegans can still get unhealthy blood lipid levels, because we are animals and—like most animals—our body is perfectly capable of making its own cholesterol (indeed, we do need some cholesterol to function), and it can make its own in the wrong balance, if for example we go too heavy on certain kinds of (yes, even some plant-based) saturated fat.
Read more: Can Saturated Fats Be Healthy? ← see for example how palm oil and coconut oil are both plant-based, and both high in saturated fat, but palm oil’s is heart-unhealthy on balance, while coconut oil’s is heart-healthy on balance (in moderation).
Want to know more about your personal risk?
Try the American College of Cardiology’s ASCVD risk estimator (it’s free)
Take care!
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How To Eat To Lose Belly Fat (3 Stages)
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Belly fat is easier to gain than it is to lose, and it’s absolutely something that needs more attention in the kitchen than in the gym. Here’s one way of doing it:
By the numbers
First note: this video is by a man, and judging by the numbers mentioned, assumes that the viewer is also a man. An end goal of 10% body fat is a little on the low side for men, and would be dangerous for women. The magic 15% mark that he mentions as being a point where various metabolic things change, is more like 20% for women. All assuming normal hormones, of course, since it is hormones that direct this.
Healthy body fat percentages are (assuming normal hormones) in the range of 20–25% for women and 15–20% for men.
With that in mind…
The idea of this approach is to lose enough weight that your body gets rid of even the most awkward bits (e.g: visceral belly fat, which will often be the last to get used) before, if desired, then maintaining at a slightly higher body fat percentage.
- Stage 1: count calories (we don’t usually recommend this at 10almonds, but he does, so we’re reporting it here) and use your weight in pounds multiplied by 12 to give your daily calorie target. Make the majority of your diet foods that have a large volume:calorie ratio, such as fruits and vegetables, in order to feel full without overloading your metabolism. He has an interesting method of calculating a protein target; instead of the usual “1g/kg of body weight”, he says 1g per cm of height. Doing this consistently should get you to 15% body fat (so, 20%, for women).
- Stage 2: start counting fat intake too, and aim for 20–25% of your daily calories as fat. Continue, aside from that, with what you were doing in Stage 1. Doing this consistently should get you to 12% body fat (so, about 17%, for women). Being under the usual healthy level for a while should allow your body to start getting rid of visceral fat.
- Stage 3: track everything, levelling up your precision (no more “this little thing doesn’t count”), and planning ahead when it comes to social events etc. Doing this consistently should yet you to 10% body fat (so, about 15%, for women). This stage has a good chance of making most people miserable, so if that happens, consider the benefits of going back to the healthier 15% body fat (men) or 20% (women).
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:
Visceral Belly Fat & How To Lose It ← without calorie-counting! We prefer this 😉
Take care!
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The Teenage Brain – by Dr. Frances Jensen
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We realize that we probably have more grandparents of teenagers than parents of teenagers here, but most of us have at least some teenage relative(s). Which makes this book interesting.
There are a lot of myths about the teenage brain, and a lot of popular assumptions that usually have some basis in fact but are often misleading.
Dr. Jensen gives us a strong foundational grounding in the neurophysiology of adolescence, from the obvious-but-often-unclear (such as the role of hormones) to less-known things like the teenage brain’s general lack of myelination. Not just “heightened neuroplasticity” but, if you imagine the brain as an electrical machine, then think of myelin as the insulation between the wires. Little wonder some wires may get crossed sometimes!
She also talks about such things as the teenage circadian rhythm’s innate differences, the impact of success and failure on the brain, and harder topics such as addiction—and the adolescent cortisol functions that can lead to teenagers needing to seek something to relax in the first place.
In criticism, we can only say that sometimes the author makes sweeping generalizations without acknowledging such, but that doesn’t detract from what she has to say on the topic of neurophysiology.
Bottom line: if there’s a teenager in your life whose behavior and/or moods are sometimes baffling to you, and whose mysteries you’d like to unravel, this is a great book.
Click here to check out the Teenage Brain, and better understand those around you!
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How To Clean Your Brain (Glymphatic Health Primer)
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That’s not a typo! The name “glymphatic system” was coined by the Danish neuroscientist Dr. Maiken Nedergaard, and is a nod to its use of glial cells to do a similar job to that of the peripheral lymphatic system—but this time, in the CNS. Today, we have Dr. Jin Sung to tell us more:
Brainwashing (but not like that)
The glymphatic system may sound like a boring job, but so does “sanitation worker” in a city—yet the city would grind to a messy halt very very quickly without them. Same goes for your brain.
Diseases that are prevalent when this doesn’t happen the way it should include Alzheimer’s (beta-amyloid clearance) and Parkinson’s (alpha-synuclein clearance) amongst others.
Things Dr. Sung recommends for optimal glymphatic function include: sleep (7–9 hours), exercise (30–45 minutes daily), hydration (half your bodyweight in pounds, in ounces, so if your body weighs 150 lbs, that means 75 oz of water), good posture (including the use of good ergonomics, e.g. computer monitor at right height, car seat correct, etc), stress reduction (reduces inflammatory cytokines), getting enough omega-3 (the brain needs certain fats to work properly, and this is the one most likely to see a deficit), vagal stimulation (methods include humming, gargling, and gagging—please note we said vagal stimulation; easy to misread at a glance!), LED light therapy, and fasting (intermittent or prolonged).
For more on each of these, including specific tips, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
- Ask Not What Your Lymphatic System Can Do For You…
- The Vagus Nerve (And How You Can Make Use Of It)
- Casting Yourself In A Healthier Light
- Intermittent Fasting: How Does It Work?
Take care!
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Surgery is the default treatment for ACL injuries in Australia. But it’s not the only way
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The anterior cruciate ligament (ACL) is an important ligament in the knee. It runs from the thigh bone (femur) to the shin bone (tibia) and helps stabilise the knee joint.
Injuries to the ACL, often called a “tear” or a “rupture”, are common in sport. While a ruptured ACL has just sidelined another Matildas star, people who play sport recreationally are also at risk of this injury.
For decades, surgical repair of an ACL injury, called a reconstruction, has been the primary treatment in Australia. In fact, Australia has among the highest rates of ACL surgery in the world. Reports indicate 90% of people who rupture their ACL go under the knife.
Although surgery is common – around one million are performed worldwide each year – and seems to be the default treatment for ACL injuries in Australia, it may not be required for everyone.
PeopleImages.com – Yuri A/Shutterstock What does the research say?
We know ACL ruptures can be treated using reconstructive surgery, but research continues to suggest they can also be treated with rehabilitation alone for many people.
Almost 15 years ago a randomised clinical trial published in the New England Journal of Medicine compared early surgery to rehabilitation with the option of delayed surgery in young active adults with an ACL injury. Over half of people in the rehabilitation group did not end up having surgery. After five years, knee function did not differ between treatment groups.
The findings of this initial trial have been supported by more research since. A review of three trials published in 2022 found delaying surgery and trialling rehabilitation leads to similar outcomes to early surgery.
A 2023 study followed up patients who received rehabilitation without surgery. It showed one in three had evidence of ACL healing on an MRI after two years. There was also evidence of improved knee-related quality of life in those with signs of ACL healing compared to those whose ACL did not show signs of healing.
Experts used to think an ACL tear couldn’t heal without surgery – now there’s evidence it can. SKYKIDKID/Shutterstock Regardless of treatment choice the rehabilitation process following ACL rupture is lengthy. It usually involves a minimum of nine months of progressive rehabilitation performed a few days per week. The length of time for rehabilitation may be slightly shorter in those not undergoing surgery, but more research is needed in this area.
Rehabilitation starts with a physiotherapist overseeing simple exercises right through to resistance exercises and dynamic movements such as jumping, hopping and agility drills.
A person can start rehabilitation with the option of having surgery later if the knee remains unstable. A common sign of instability is the knee giving way when changing direction while running or playing sports.
To rehab and wait, or to go straight under the knife?
There are a number of reasons patients and clinicians may opt for early surgical reconstruction.
For elite athletes, a key consideration is returning to sport as soon as possible. As surgery is a well established method, athletes (such as Matilda Sam Kerr) often opt for early surgical reconstruction as this gives them a more predictable timeline for recovery.
At the same time, there are risks to consider when rushing back to sport after ACL reconstruction. Re-injury of the ACL is very common. For every month return to sport is delayed until nine months after ACL reconstruction, the rate of knee re-injury is reduced by 51%.
For people who opt to try rehabilitation, the option of having surgery later is still there. PeopleImages.com – Yuri A/Shutterstock Historically, another reason for having early surgical reconstruction was to reduce the risk of future knee osteoarthritis, which increases following an ACL injury. But a review showed ACL reconstruction doesn’t reduce the risk of knee osteoarthritis in the long term compared with non-surgical treatment.
That said, there’s a need for more high-quality, long-term studies to give us a better understanding of how knee osteoarthritis risk is influenced by different treatments.
Rehab may not be the only non-surgical option
Last year, a study looking at 80 people fitted with a specialised knee brace for 12 weeks found 90% had evidence of ACL healing on their follow-up MRI.
People with more ACL healing on the three-month MRI reported better outcomes at 12 months, including higher rates of returning to their pre-injury level of sport and better knee function. Although promising, we now need comparative research to evaluate whether this method can achieve similar results to surgery.
What to do if you rupture your ACL
First, it’s important to seek a comprehensive medical assessment from either a sports physiotherapist, sports physician or orthopaedic surgeon. ACL injuries can also have associated injuries to surrounding ligaments and cartilage which may influence treatment decisions.
In terms of treatment, discuss with your clinician the pros and cons of management options and whether surgery is necessary. Often, patients don’t know not having surgery is an option.
Surgery appears to be necessary for some people to achieve a stable knee. But it may not be necessary in every case, so many patients may wish to try rehabilitation in the first instance where appropriate.
As always, prevention is key. Research has shown more than half of ACL injuries can be prevented by incorporating prevention strategies. This involves performing specific exercises to strengthen muscles in the legs, and improve movement control and landing technique.
Anthony Nasser, Senior Lecturer in Physiotherapy, University of Technology Sydney; Joshua Pate, Senior Lecturer in Physiotherapy, University of Technology Sydney, and Peter Stubbs, Senior Lecturer in Physiotherapy, University of Technology Sydney
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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The Whole Heart Solution – by Dr. Joel Kahn
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.
If there’s a single central focus here is on the evidence for including a lot of plants in our diet, and in particular, certain ones that are particularly impactful (positively) for our health. However, it’s not all about diet; Dr. Kahn also discusses (as the subtitle suggests) making the most of every safe, useful tool available for us for good heart health. Including, where appropriate, drugs and surgery, but definitely with a preference to avoid their necessity with lifestyle adjustments and regular pre-emptive testing of various kinds.
Indeed, the promised “75 low-cost things you can do right away” are mostly lifestyle adjustments, and as well as the dietary tips, they include non-dietary things such as opening your windows and walking barefoot, for example—we’ll learn tips relating to all areas of life, in fact.
An interesting note on diet, though: he also talks about how all requests for reimbursement for Medicare and Medicaid services are evaluated with regard to whether they are appropriate, and of all the programs for intensive cardiac rehabilitation that have been requested, only two have been approved (at time of going to press, at least). Both are plan-based programs, of which, one is the dietary approach described in this book. Bearing in mind that Medicare and Medicate have a mandate to save money, they will only approve a program that results in costing them less in hospital care and prescriptions. Which means that their interests are aligned with yours, in this case!
The style is enthusiastic pop science, that is to say, it is written with extreme conviction—there is plenty of science cited to back it up, of course, but certainly this is not an indifferent book.
Bottom line: if you’d like to improve your heart health, this book is a top-tier one-stop solution (if you implement its contents, anyway!)
Click here to check out the Whole Heart Solution, and live wholeheartedly!
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