Simply The Pits: These Underarm Myths!
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Are We Taking A Risk To Smell Fresh As A Daisy?
Yesterday, we asked you for your health-related view of underarm deodorants.
So, what does the science say?
They can cause (or increase risk of) cancer: True or False?
False, so far as we know. Obviously it’s very hard to prove a negative, but there is no credible evidence that deodorants cause cancer.
The belief that they do comes from old in vitro studies applying the deodorant directly to the cells in question, like this one with canine kidney tissues in petri dishes:
Antiperspirant Induced DNA Damage in Canine Cells by Comet Assay
Which means that if you’re not a dog and/or if you don’t spray it directly onto your internal organs, this study’s data doesn’t apply to you.
In contrast, more modern systematic safety reviews have found…
❝Neither is there clear evidence to show use of aluminum-containing underarm antiperspirants or cosmetics increases the risk of Alzheimer’s Disease or breast cancer.
Metallic aluminum, its oxides, and common aluminum salts have not been shown to be either genotoxic or carcinogenic.❞
(however, one safety risk it did find is that we should avoid eating it excessively while pregnant or breastfeeding)
Alternatives like deodorant rocks have fewer chemicals and thus are safer: True or False?
True and False, respectively. That is, they do have fewer chemicals, but cannot in scientific terms be qualifiably, let alone quantifiably, described as safer than a product that was already found to be safe.
Deodorant rocks are usually alum crystals, by the way; that is to say, aluminum salts of various kinds. So if it was aluminum you were hoping to avoid, it’s still there.
However, if you’re trying to cut down on extra chemicals, then yes, you will get very few in deodorant rocks, compared to the very many in spray-on or roll-on deodorants!
Soap and water is a safe, simple, and sufficient alternative: True or False?
True or False, depending on what you want as a result!
- If you care that your deodorant also functions as an antiperspirant, then no, soap and water will certainly not have an antiperspirant effect.
- If you care only about washing off bacteria and eliminating odor for the next little while, then yes, soap and water will work just fine.
Bonus myths:
There is no difference between men’s and women’s deodorants, apart from the marketing: True or False?
False! While to judge by the marketing, the only difference is that one smells of “evening lily” and the other smells of “chainsaw barbecue” or something, the real difference is…
- The “men’s” kind is designed to get past armpit hair and reach the skin without clogging the hair up.
- The “women’s” kind is designed to apply a light coating to the skin that helps avoid chafing and irritation.
In other words… If you are a woman with armpit hair or a man without, you might want to ignore the marketing and choose according to your grooming preferences.
Hopefully you can still find a fragrance that suits!
Shaving (or otherwise depilating) armpits is better for hygiene: True or False?
True or False, depending on what you consider “hygiene”.
Consistent with popular belief, shaving means there is less surface area for bacteria to live. And empirically speaking, that means a reduction in body odor:
However, shaving typically causes microabrasions, and while there’s no longer hair for the bacteria to enjoy, they now have access to the inside of your skin, something they didn’t have before. This can cause much more unpleasant problems in the long-run, for example:
❝Hidradenitis suppurativa is a chronic and debilitating skin disease, whose lesions can range from inflammatory nodules to abscesses and fistulas in the armpits, groin, perineum, inframammary region❞
Read more: Hidradenitis suppurativa: Basic considerations for its approach: A narrative review
And more: Hidradenitis suppurativa: Epidemiology, clinical presentation, and pathogenesis
If this seems a bit “damned if you do; damned if you don’t”, this writer’s preferred way of dodging both is to use electric clippers (the buzzy kind, as used for cutting short hair) to trim hers down low, and thus leave just a little soft fuzz.
What you do with yours is obviously up to you; our job here is just to give the information for everyone to make informed decisions whatever you choose 🙂
Take care!
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General Tso’s Chickpeas
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A fiber-rich, heart-healthy take on a classic:
You will need
- 1 can chickpeas, drained
- ¾ cup vegetable stock; ideally you made this yourself from vegetable cuttings that you kept in the freezer for this purpose, but failing that, you should be able to get low-sodium stock cubes at your local supermarket.
- ¼ cup arrowroot starch (cornstarch will do at a pinch, but arrowroot is better and has no flavor of its own)
- 3 tbsp coconut oil
- 2 tbsp grated fresh ginger
- ¼ bulb garlic, minced
- 2 tbsp honey (or maple syrup if you prefer, and if you don’t like sweetness, reduce this to 1 tbsp or even omit entirely, though it won’t be quite so “General Tso” if you do, but it’s your meal!)
- 2 tbsp tomato paste
- 2 tsp hot sauce
- 1 tsp black pepper, coarse ground
- 3 green onions, sliced
Method
(we suggest you read everything at least once before doing anything)
1) Coat the chickpeas in the arrowroot starch by tossing them together in a bowl
2) Heat the coconut oil in a skillet on a medium-high heat, and when hot, add the chickpeas, stirring for 3 minutes
3) Add the remaining ingredients in the order we gave (except the vegetable stock, which goes in last), stirring for 5 more minutes, or until the sauce thickens
4) Serve with the carb of your choice; we recommend our Tasty Versatile Rice Recipe
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- Eat More (Of This) For Lower Blood Pressure
- Honey vs Maple Syrup – Which is Healthier?
- Our Top 5 Spices: How Much Is Enough For Benefits?
Take care!
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Lucid Dreaming: How To Do It, & Why
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Lucid Dreaming: Methods & Uses
We’ve written about dreaming more generally before:
Today we’re going to be talking more about a subject we’ve only touched on previously: lucid dreaming
What it is: lucid dreaming is the practice of being mentally awake while dreaming, with awareness that it is a dream, and control over the dream.
Why is it useful? Beyond simply being fun, it can banish nightmares, it can improve one’s relationship with sleep (always something to look forward to, and sleep doesn’t feel like a waste of time at all!), and it can allow for exploring a lot of things that can’t easily be explored otherwise—which can be quite therapeutic.
How to do it
There are various ways to induce lucid dreaming, but the most common and “entry-level” method is called Mnemonic-Induced Lucid Dreaming (MILD).
MILD involves having some means of remembering what one has forgotten, i.e., that one is dreaming. To break it down further, first we’ll need to learn how to perform a reality check. Again, there are many of these, but one of the simplest is to ask yourself:
How did I get here?
- If you can retrace your steps with relative ease and the story of how you got here does not sound too much like a dream sequence, you are probably not dreaming.
- If you are dreaming, however, chances are that nothing actually led to where you are now; you just appeared here.
Other reality checks include checking whether books, clocks, and/or lightswitches work as they should—all are notorious for often being broken in dreams; books have gibberish or missing or repeated text; clocks do not tell the correct time and often do not even tell a time that could be real (e.g: 07:72), and lightswitches may turn a light on/off without actually changing the level of illumination in the room.
Now, a reality check is only useful if you actually perform it, so this is where MILD comes in.
You need to make a habit of doing a reality check frequently. Whenever you remember, it’s a good time to do a reality check, but you should also try tying it to something. Many people use a red light, because then they can also use a timed red light during the night to subconsciously cue them that they are dreaming. But it could be as simple as “whenever I go to the bathroom, I do a reality check”.
With this in mind, a fun method that has extra benefits is to try to use a magical power, such as psychokinesis. If (while fully awake) whenever you go to pick up some object you imagine it just wooshing magically to meet your hand halfway, then at some point you’ll instinctively do that while dreaming, and it’ll stand a good chance of working—and thus cluing you in that you are dreaming.
How to stay lucid
When you awaken within a dream (i.e. become lucid), there’s a good chance of one of two things happening quickly:
- you forget again
- you wake up
So when you realize you are dreaming, do two things at once:
- verbally repeat to yourself “I am dreaming now”. This will help stretch your awareness from one second to the next.
- look at your hands, and touch things, especially the floor and/or walls. This will help to ground you within the dream.
Things to do while lucid
Flying is a good fun entry-level activity; it’s very common to initially find it difficult though, and only be able to lift up very slightly before gently falling down, or things like that. A good tip is: instead of trying to move yourself, you stay still and move the dream around you, as though you are rotating a 3D model (because guess what: you are).
Confronting your nightmares and/or general fears is a good thing for many. Think, while you’re still awake during the day, about what you would do about the source/trigger of your fear if you had magical powers. Whatever you choose, keep it consistent for now, because this is about habit-forming.
Example: let’s say there’s a person from your past who appears in your nightmares. Let’s say your chosen magic would be “I would cause the ground to open up, swallow them, and close again behind them”. Vividly imagine that whenever they come to mind while you are awake, and when you encounter them next in a nightmare, you’ll remember to do exactly that, and it’ll work.
Learning about your own subconscious is a more advanced activity, but once you’re used to lucid dreaming, you can remember that everything in there is an internal projection of your own mind, so you can literally talk to parts of your subconscious, including past versions of yourself, or singular parts of your greater-whole personality, as per IFS:
Take Care Of Your “Unwanted” Parts Too!
Want to know more?
You might like to read:
Enjoy!
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CBD Oil’s Many Benefits
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CBD Oil: What Does The Science Say?
First, a quick legal (and practical) note:
CBD and THC are both derived from the hemp or cannabis plant, but only the latter has euphoriant psychoactive effects, i.e., will get you high. We’re writing here about CBD derived from hemp and not containing THC (thus, will not get you high).
Laws and regulations differ far too much from place to place for us to try to advise here, so please check your own local laws and regulations. And also, while you’re at it, with your doctor and/or pharmacist.
As ever, this newsletter is for purposes of education and enjoyment, and does not constitute any kind of legal (or medical) advice.
With that in mind, onwards to today’s research review…
CBD for Pain Relief
CBD has been popularly touted as a pain relief panacea, and there are a lot of pop-science articles out there “debunking” this, but…
The science seems to back it up. We couldn’t find studies refuting the claim (of CBD as a viable pain relief option). We did, however, find research showing it was good against:
Note that that latter (itself a research review, not a single study, hence covering a lot of bases) describes it matter-of-factly, with no caveats or weasel-words, as:
“CBD, a non-euphoriant, anti-inflammatory analgesic with CB1 receptor antagonist and endocannabinoid modulating effects”
As a quick note: all of the above is about the topical use of CBD oil, not any kind of ingestion
CBD for Anxiety/Depression
There’s a well-cited study with what honestly we think was a bit of a small sample size, but compelling results within that:
A study published in the Brazilian Journal of Psychiatry tested the anxiety levels of 57 men in a simulated public speaking test.
Compared to placebo…
- Those who received 300mg of CBD experienced significantly reduced anxiety during the test.
- Those who received either 150mg or 600mg of CBD experienced more anxiety during the test than the 300mg group
- This means there’s a sweet spot to the dosage
There was also a clinical study that found CBD to have anti-depressant effects.
The methodology was a lot more robust, but the subjects were mice. We can’t have everything in one study, apparently! There is probably a paucity of human volunteers to have their brain slices looked at after tests, though.
Anyway, what makes this study interesting is that it measured quite an assortment of biological markers in the brain, and found that the CBD had a similar physiological effect to the antidepressant imipramine.
CBD for Treating Opioid Addiction
There are a lot of studies for this, both animal and human, but we’d like to put the spotlight on a human study (with the participation of heroin users) that found:
❝Within one week, CBD significantly reduced cravings, anxiety, resting heart rate, and salivary cortisol levels. No serious adverse effects were found.❞
This is groundbreaking because the very thing about heroin is that it’s so addictive and the body rapidly needs more and more of it. You might think “duh”, but most people don’t realize this part:
Heroin is attractive because it offers (and delivers) an immediate guaranteed “downer”, instant relaxation… with none of the bad side effects of, for example, alcohol. No nausea, no hangover, nothing.
The problem is that the body gets tolerant to heroin very quickly, meaning your doses need to get bigger and more frequent to have the same effect.
Before you know it, what seemed like an affordable “self-medication for a stressful life” is very much out of control! Many doctors have personally found this out the hard way.
So, it’s ruinous:
- first to your financial health, as the costs rapidly spiral
- then to your physical health, as you either suffer from withdrawal or eventually overdose
Consequently, heroin is an incredibly easy drug to get hooked onto, and incredibly difficult to get back off.
So CBD offering relief is really a game-changer.
And more…
CBD has been well-studied and found to be effective for a lot of things, more than we could hope to cover in a single edition here.
Some further reading that may interest you includes:
- CBD against Diabetes in mice / in vitro / in humans
- CBD against neurological diseases (in general, in humans)
- CBD against arthritis in mice / in humans
- CBD specifically against the pain of rheumatoid arthritis / of osteoarthritis
Let us know if there’s any of these (or other) conditions you’d like us to look more into the CBD-related research for, because there’s a lot! You can always hit reply to any of our emails, or use the feedback widget at the bottom
Read (and shop, if you want and it’s permitted where you are):
10 Best CBD Oils of 2023, According to the Forbes Health Advisory Board
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4 ways to cut down on meat when dining out – and still make healthy choices
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Many of us are looking for ways to eat a healthier and more sustainable diet. And one way to do this is by reducing the amount of meat we eat.
That doesn’t mean you need to become a vegan or vegetarian. Our recent research shows even small changes to cut down on meat consumption could help improve health and wellbeing.
But not all plant-based options are created equal and some are ultra-processed. Navigating what’s available when eating out – including options like tofu and fake meats – can be a challenge.
So what are your best options at a cafe or restaurant? Here are some guiding principles to keep in mind when cutting down on meat.
Mikhaylovskiy/Shutterstock Health benefits to cutting down
Small amounts of lean meat can be part of a healthy, balanced diet. But the majority of Australians still eat more meat than recommended.
Only a small percentage of Australians (10%) are vegetarian or vegan. But an increasing number opt for a flexitarian diet. Flexitarians eat a diet rich in fruits and vegetables, while still enjoying small amounts of meat, dairy, eggs and fish.
Our recent research looked at whether the average Australian diet would improve if we swapped meat and dairy for plant-based alternatives, and the results were promising.
The study found health benefits when people halved the amount of meat and dairy they ate and replaced them with healthy plant-based foods, like tofu or legumes. On average, their dietary fibre intake – which helps with feeling fuller for longer and digestive health – went up. Saturated fats – which increase our blood cholesterol levels, a risk factor for heart disease – went down.
Including more fibre and less saturated fat helps reduce the risk of heart disease.
Achieving these health benefits may be as simple as swapping ham for baked beans in a toastie for lunch, or substituting half of the mince in your bolognese for lentils at dinner.
Filling your plate with fibre-rich foods can help lower cholesterol. Wally Pruss/Shutterstock How it’s made matters
For a long time we’ve known processed meats – such as ham, bacon and sausages – are bad for your health. Eating high amounts of these foods is associated with poor heart health and some forms of cancer.
But the same can be true of many processed meat alternatives.
Plant-based alternatives designed to mimic meat, such as sausages and burgers, have become readily available in supermarkets, cafes and restaurants. These products are ultra-processed and can be high in salt and saturated fat.
Our study found when people replaced meat and dairy with ultra-processed meat alternatives – such as plant-based burgers or sausages – they ate more salt and less calcium, compared to eating meat or healthy plant-based options.
So if you’re cutting down on meat for health reasons, it’s important to think about what you’re replacing it with. The Australian Dietary Guidelines recommend eggs, legumes/beans, tofu, nuts and seeds.
Tofu can be a great option. But we recommend flavouring plain tofu with herbs and spices yourself, as pre-marinated products are often ultra-processed and can be high in salt.
What about when dining out?
When you’re making your own food, it’s easier to adapt recipes or reduce the amount of meat. But when faced with a menu, it can be difficult to work out what is the best option.
Eating a range of colours is one way to ensure variety. Mikhail Nilov/Pexels Here are our four ways to make healthy choices when you eat out:
1. Fill half your plate with vegetables
When cutting down on meat, aim for half your plate to be vegetables. Try to also eat a variety of colours, such as leafy green spinach, red capsicum and pumpkin.
When you’re out, this might look like choosing a vegetable-based entree, a stir-fry or ordering a side salad to have with your meal.
2. Avoid the deep fryer
The Australian Dietary Guidelines recommend limiting deep fried foods to once a week or less. When dining out, choose plant-based options that are sautéed, grilled, baked, steamed, boiled or poached – instead of those that are crumbed or battered before deep frying.
This could mean choosing vegetarian dumplings that are steamed not fried, or poached eggs at brunch instead of fried. Ordering a side of roast vegetables instead of hot chips is also a great option.
3. Pick wholegrains
Scan the menu for wholegrain options such as brown rice, wholemeal pizza or pasta, barley, quinoa or wholemeal burger buns. Not only are they good sources of protein, but they also provide more dietary fibre than refined grains, which help keep you fuller for longer.
4. If you do pick meat – choose less processed kinds
You may not always want, or be able, to make a vegetarian choice when eating out and with other people. If you do opt for meat, it’s better to steer clear of processed options like bacon or sausages.
If sharing dishes with other people, you could try adding unprocessed plant-based options into the mix. For example, a curry with lentils or chickpeas, or a vegetable-based pizza instead of one with ham or salami. If that’s not an option, try choose meat that’s a lean cut, such as chicken breast, or options which are grilled rather than fried.
Laura Marchese, PhD candidate at the Institute for Physical Activity and Nutrition, Deakin University and Katherine Livingstone, NHMRC Emerging Leadership Fellow and Senior Research Fellow at the Institute for Physical Activity and Nutrition, Deakin University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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The Recipe For Empowered Leadership – by Doug Meyer-Cuno
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This is not a “here’s how to become a leader, you young would-be Machiavelli”; it’s more a “so you’re in a leadership role; now what?” book. The book’s subtitle describes well its contents: “25 Ingredients For Creating Value & Empowering Others”
The book is written with the voice of experience, but without the ego-driven padding that accompanies many such books. Especially: any anecdotal illustrations are short and to-the-point, no chapter-long diversions here.
Which we love!
Equally helpful is where the author does spend a little more time and energy: on the “down to brass tacks” of how exactly to do various things.
In short: if instead of a lofty-minded book of vague idealized notions selling a pipedream, you’d rather have a manual of how to actually be a good leader when it comes down to it, this is the book for you.
Pick Up The Recipe For Empowered Leadership On Amazon Today!
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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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