Soap vs Sanitizer – Which is Healthier?
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Our Verdict
When comparing soap to sanitizer, we picked the soap.
Why?
Both are good at killing bacteria / inactivating viruses, but there are several things that set them apart:
- Soap doesn’t just kill them; it slides them off and away down the drain. That means that any it failed to kill are also off and down the drain, not still on your hands. This is assuming good handwashing technique, of course!
- Sanitizer gel kills them, but can take up to 4 minutes of contact to do so. Given that people find 20 seconds of handwashing laborious, 240 seconds of sanitizer gel use seems too much to hope for.
Both can be dehydrating for the hands; both can have ingredients added to try to mitigate that.
We recommend a good (separate) moisturizer in either case, but the point is, the dehydration factor doesn’t swing it far either way.
So, we’ll go with the one that gets rid of the germs the most quickly: the soap
10almonds tip: splash out on the extra-nice hand-soaps for your home—this will make you and others more likely to wash your hands more often! Sometimes, making something a more pleasant experience makes all the difference.
Want to know more?
Check out:
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Mosquitoes can spread the flesh-eating Buruli ulcer. Here’s how you can protect yourself
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Each year, more and more Victorians become sick with a flesh-eating bacteria known as Buruli ulcer. Last year, 363 people presented with the infection, the highest number since 2004.
But it has been unclear exactly how it spreads, until now. New research shows mosquitoes are infected from biting possums that carry the bacteria. Mozzies spread it to humans through their bite.
What is Buruli ulcer?
Buruli ulcer, also known as Bairnsdale ulcer, is a skin infection caused by the bacterium Mycobacterium ulcerans.
It starts off like a small mosquito bite and over many months, slowly develops into an ulcer, with extensive destruction of the underlying tissue.
While often painless initially, the infection can become very serious. If left untreated, the ulcer can continue to enlarge. This is where it gets its “flesh-eating” name.
Thankfully, it’s treatable. A six to eight week course of specific antibiotics is an effective treatment, sometimes supported with surgery to remove the infected tissue.
Where can you catch it?
The World Health Organization considers Buruli ulcer a neglected tropical skin disease. Cases have been reported across 33 countries, primarily in west and central Africa.
However, since the early 2000s, Buruli ulcer has also been increasingly recorded in coastal Victoria, including suburbs around Melbourne and Geelong.
Scientists have long known Australian native possums were partly responsible for its spread, and suspected mosquitoes also played a role in the increase in cases. New research confirms this.
Our efforts to ‘beat Buruli’
Confirming the role of insects in outbreaks of an infectious disease is achieved by building up corroborating, independent evidence.
In this new research, published in Nature Microbiology, the team (including co-authors Tim Stinear, Stacey Lynch and Peter Mee) conducted extensive surveys across a 350 km² area of Victoria.
We collected mosquitoes and analysed the specimens to determine whether they were carrying the pathogen, and links to infected possums and people. It was like contact tracing for mosquitoes.
Aedes notoscriptus was the mosquito identified as carrying the bacteria that caused Buruli ulcer.
Cameron Webb (NSW Health Pathology)Molecular testing of the mosquito specimens showed that of the two most abundant mosquito species, only Aedes notoscriptus (a widespread species commonly known as the Australian backyard mosquito) was positive for Mycobacterium ulcerans.
We then used genomic tests to show the bacteria found on these mosquitoes matched the bacteria in possum poo and humans with Buruli ulcer.
We further analysed mosquito specimens that contained blood to show Aedes notoscriptus was feeding on both possums and humans.
To then link everything together, geospatial analysis revealed the areas where human Buruli ulcer cases occur overlap with areas where both mosquitoes and possums that harbour Mycobacterium ulcerans are active.
Stop its spread by stopping mozzies breeding
The mosquito in this study primarily responsible for the bacteria’s spread is Aedes notoscriptus, a mosquito that lays its eggs around water in containers in backyard habitats.
Controlling “backyard” mosquitoes is a critical part of reducing the risk of many global mosquito-borne disease, especially dengue and now Buruli ulcer.
You can reduce places where water collects after rainfall, such as potted plant saucers, blocked gutters and drains, unscreened rainwater tanks, and a wide range of plastic buckets and other containers. These should all be either emptied at least weekly or, better yet, thrown away or placed under cover.
Mosquitoes can lay eggs in a wide range of water-filled items in the backyard.
Cameron Webb (NSW Health Pathology)There is a role for insecticides too. While residual insecticides applied to surfaces around the house and garden will reduce mosquito populations, they can also impact other, beneficial, insects. Judicious use of such sprays is recommended. But there are ecological safe insecticides that can be applied to water-filled containers (such as ornamental ponds, fountains, stormwater pits and so on).
Recent research also indicates new mosquito-control approaches that use mosquitoes themselves to spread insecticides may soon be available.
How to protect yourself from bites
The first line of defence will remain personal protection measures against mosquito bites.
Covering up with loose fitted long sleeved shirts, long pants, and covered shoes will provide physical protection from mosquitoes.
Applying topical insect repellent to all exposed areas of skin has been proven to provide safe and effective protection from mosquito bites. Repellents should include diethytolumide (DEET), picaridin or oil of lemon eucalyptus.
While the rise in Buruli ulcer is a significant health concern, so too are many other mosquito-borne diseases. The steps to avoid mosquito bites and exposure to Mycobacteriam ulcerans will also protect against viruses such as Ross River, Barmah Forest, Japanese encephalitis, and Murray Valley encephalitis.
Cameron Webb, Clinical Associate Professor and Principal Hospital Scientist, University of Sydney; Peter Mee, Adjunct Associate Lecturer, School of Applied Systems Biology, La Trobe University; Stacey Lynch, Team Leader- Mammalian infection disease research, CSIRO, and Tim Stinear, Professor of Microbiology, The University of Melbourne
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Ketogenic Diet: Burning Fat Or Burning Out?
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In Wednesday’s newsletter, we asked you for your opinion of the keto diet, and got the above-depicted, below-described set of responses:
- About 45% said “It has its benefits, but they don’t outweigh the risks”
- About 31% said “It is a good, evidence-based way to lose weight, be energized, and live healthily”
- About 24% said “It is a woeful fad diet and a fast-track to ruining one’s overall health”
So what does the science say?
First, what is the ketogenic diet?
There are two different stories here:
- Per science, it’s a medical diet designed to help treat refractory epilepsy in children.
- Per popular lore, it’s an energizing weight loss diet for Instagrammers and YouTubers.
Can it be both? The answer is: yes, but with some serious caveats, which we’ll cover over the course of today’s feature.
The ketogenic diet works by forcing the body to burn fat for energy: True or False?
True! This is why it helps for children with refractory epilepsy. By starving the body (including the brain) of glucose, the liver must convert fat into fatty acids and ketones, which latter the brain (and indeed the rest of the body) can now use for energy instead of glucose, thus avoiding one of the the main triggers of refractory epilepsy in children.
See: The Ketogenic Diet: One Decade Later | Pediatrics
Even the pediatric epilepsy studies, however, conclude it does have unwanted side effects, such as kidney stones, constipation, high cholesterol, and acidosis:
Source: Dietary Therapies for Epilepsy
The ketogenic diet is good for weight loss: True or False?
True! Insofar as it does cause weight loss, often rapidly. Of course, so do diarrhea and vomiting, but these are not usually held to be healthy methods of weight loss. As for keto, a team of researchers recently concluded:
❝As obesity rates in the populace keep rising, dietary fads such as the ketogenic diet are gaining traction.
Although they could help with weight loss, this study had a notable observation of severe hypercholesterolemia and increased risk of atherosclerotic cardiovascular disease among the ketogenic diet participants.❞
~ Dr. Shadan Khdher et al.
On which note…
The ketogenic diet is bad for the heart: True or False?
True! As Dr. Joanna Popiolek-Kalisz concluded recently:
❝In terms of cardiovascular mortality, the low-carb pattern is more beneficial than very low-carbohydrate (including the ketogenic diet). There is still scarce evidence comparing ketogenic to the Mediterranean diet.
Other safety concerns in cardiovascular patients such as adverse events related to ketosis, fat-free mass loss, or potential pharmacological interactions should be also taken into consideration in future research.❞
~ Dr. Joanna Popiolek-Kalisz
Read in full: Ketogenic diet and cardiovascular risk: state of the art review
The ketogenic diet is good for short-term weight loss, but not long-term maintenance: True or False?
True! Again, insofar as it works in the short term. It’s not the healthiest way to lose weight and we don’t recommend it, but it did does indeed precipitate short-term weight loss. Those benefits are not typically observed for longer than a short time, though, as the above-linked paper mentions:
❝The ketogenic diet does not fulfill the criteria of a healthy diet. It presents the potential for rapid short-term reduction of body mass, triglycerides level, Hb1Ac, and blood pressure.
Its efficacy for weight loss and the above-mentioned metabolic changes is not significant in long-term observations.❞
~ Ibid.
The ketogenic diet is a good, evidence-based way to lose weight, be energized, and live healthily: True or False?
False, simply, as you may have gathered from the above, but we’ve barely scratched the surface in terms of the risks.
That said, as mentioned, it will induce short-term weight loss, and as for being energized, typically there is a slump-spike-slump in energy:
- At first, the body is running out of glucose, and so naturally feels weak and tired.
- Next, the body enters ketosis, and so feels energized and enlivened ← this is the part where the popular enthusiastic reviews come from
- Then, the body starts experiencing all the longer-term problems associated with lacking carbohydrates and having an overabundance of fat, so becomes gradually more sick and tired.
Because of this, the signs of symptoms of being in ketosis (aside from: measurably increased ketones in blood, breath, and urine) are listed as:
- Bad breath
- Weight loss
- Appetite loss
- Increased focus and energy
- Increased fatigue and irritability
- Digestive issues
- Insomnia
The slump-spike-slump we mentioned is the reason for the seemingly contradictory symptoms of increased energy and increased fatigue—you get one and then the other.
Here’s a small but illustrative study, made clearer by its participants being a demographic whose energy levels are most strongly affected by dietary factors:
The ketogenic diet is a woeful fad diet and a fast-track to ruining one’s overall health: True or False?
True, subjectively in the first part, as it’s a little harsher than we usually go for in tone, though it has been called a fad diet in scientific literature. The latter part (ruining one’s overall health) is observably true.
One major problem is incidental-but-serious, which is that a low-carb diet is typically a de facto low-fiber diet, which is naturally bad for the gut and heart.
Other things are more specific to the keto diet, such as the problems with the kidneys:
However, kidney stones aren’t the worst of the problems:
Is Losing Weight Worth Losing Your Kidney: Keto Diet Resulting in Renal Failure
We’re running out of space and the risks associated with the keto diet are many, but for example even in the short term, it already increases osteoporosis risk:
❝Markers of bone modeling/remodeling were impaired after short-term low-carbohydrate high-fat diet, and only one marker of resorption recovered after acute carbohydrate restoration❞
~ Dr. Ida Heikura et al.
A Short-Term Ketogenic Diet Impairs Markers of Bone Health in Response to Exercise
Want a healthier diet?
We recommend the Mediterranean diet.
See also: Four Ways To Upgrade The Mediterranean
(the above is about keeping to the Mediterranean diet, while tweaking one’s choices within it for a specific extra health focus such as an anti-inflammatory upgrade, a heart-healthy upgrade, a gut-healthy upgrade, and a brain-healthy upgrade)
Enjoy!
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The Dopamine Myth
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The Dopamine Myth
There’s a popular misconception that, since dopamine is heavily involved in addictions, it’s the cause.
We see this most often in the context of non-chemical addictions, such as:
- gambling
- videogames
- social media
And yes, those things will promote dopamine production, and yes, that will feel good. But dopamine isn’t the problem.
Myth: The Dopamine Detox
There’s a trend we’ve mentioned before (it got a video segment a few Fridays back) about the idea of a “dopamine detox“, and how unscientific the idea is.
For a start…
- You cannot detox from dopamine, because dopamine is not a toxin
- You cannot abstain from dopamine, because your brain regulates your dopamine levels to keep them correct*
- If you could abstain from dopamine (and did), you would die, horribly.
*unless you have a serious mental illness, for example:
- forms of schizophrenia and/or psychosis that involve too much dopamine, or
- forms of depression and/or neurodegenerative diseases such as Parkinson’s (and several kinds of dementia) in which you have too little dopamine
- bipolar disorder in which dopamine levels can swing too far each way
See also: Dopamine fasting: misunderstanding science spawns a maladaptive fad
Myth: Dopamine is all about pleasure
Dopamine is a pleasure-giving neurotransmitter, but it serves more purposes than that! It also plays a central role in many neurological processes, including:
- Motivation
- Learning and memory
- Motor functions
- Language faculties
- Linear task processing
Note for example how someone taking dopaminergic drugs (prescription or otherwise; could be anything from modafinil to cocaine) is not blissed out… They’re probably in a good mood, sure, but they’re focused, organized, quick-thinking, and so forth! This is not an ad for cocaine; cocaine is very bad for the health. But you see the features? So, what if we could have a little more dopamine… healthily?
Dopamine—à la carte
Let’s look at the examples we gave earlier of non-chemical addictions that are dopaminergic in nature:
- gambling
- videogames
- social media
They’re not actually that rewarding, are they?
- Gamblers lose more than they win
- Gamers cease to care about a game once they have won
- Social media more often results in “doomscrolling”
This is because what prompts the most dopamine is actually the anticipation of reward… not the thing itself, whose reward-pleasure is very fleeting. Nobody looks back at an hour of doomscrolling and thinks “well, that was fun; I’m glad I did that”.
See the science: Liking, Wanting and the Incentive-Sensitization Theory of Addiction
But what if we anticipated a reward from things that are not deleterious to health and productivity? Things that are neutral, or even good for us?
Examples of this include:
- Sex! (remember though, it’s not a race to the finish-line)
- Good, nourishing food (bonus: some foods boost dopamine production nutritionally)
- Exercise/sport (also prompts release of endorphins, win/win!)
- Gamified learning apps (e.g. Duolingo)
- Gamified health/productivity apps (anything with bells and whistles and things that go “ding” and measure streaks etc)
Want to know more?
That’s all we have time for today, but you might want to check out:
10 Best Ways to Increase Dopamine Levels Naturally ← Science-based and well-sourced article!
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You Are the One You’ve Been Waiting For – by Dr. Richard Schwartz
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As self-therapy approaches go, the title here could be read two ways: as pop-psychology fluff, or a suggestion of something deeper. And, while written in a way to make it accessible to all, we’re happy to report the content consists of serious therapeutic ideas, presented clearly.
Internal Family Systems (IFS) is a large, internationally recognized, and popular therapeutic approach. It’s also an approach that lends itself quite well to self-therapy, as this book illustrates.
Dr. Schwartz kicks off by explaining not IFS, but the problem that it solves… We (most of us, anyway) have over the course of our lives tried to plug the gaps in our own unmet psychological needs. And, that can cause resentment, strain, and can even be taken out on others if we’re not careful.
The real meat of the book, however, is in its illustrative explanations of how IFS works, and can be applied by an individual. The goal is to recognize all the parts that make us who we are, understand what they need in order to be at peace, and give them that. Spoiler: most what they will need is just being adequately heard, rather than locked in a box untended.
One of the benefits of using this book for self-therapy, of course, is that it requires a lot less vulnerability with a third party.
But, speaking of which, what of these intimate relationships the subtitle of the book referenced? Mostly the benefits to such come from a “put your own oxygen mask on first” angle… but the book does also cover discussions between intimate partners, and approaches to love, including what the author calls “courageous love”.
Bottom line: this is a great book if you want to do some “spring-cleaning of the soul” and live a little more lightly as a result.
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Dangers Of Root Canals And Crowns, & What To Do Instead
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Dr. Michelle Jorgensen, a dentist, tells us that it’s a lot rarer than people think to actually need a crown or a root canal; there are ways of avoiding such:
The tooth, the whole tooth, and nothing but the tooth?
First, some of the problems with the treatments that are most popular, especially in the US:
Problems with root canals:
- Involves cleaning and filling the tooth’s main canal but leaves microtubules that can harbor dead tissue and attract bacteria.
- This can lead to infections, often undetected for a long time due to the nerve removal, potentially harming overall health and weakening the tooth.
- Root canals often result in brittle teeth that can break, necessitating crowns.
And then…
Problems with crowns:
- A crown requires significant removal of tooth structure (up to 1.5 mm of enamel), making the tooth more vulnerable and sensitive.
- Crowns can also lead to new cavities underneath due to weak bonding to dentin.
- The cycle often leads from a healthy tooth to fillings, crowns, root canals, and eventual extraction (and then, perhaps, an implant in its place). That’s great for the dentist, but not so great for you.
Biomimetic dentistry the exciting name currently being used for what has been more prosaically called “conservative restorative dentistry”, which in turn has also been known by other names in recent decades, and its goal is to strengthen and preserve natural teeth as much as possible.
Methods it uses:
- Treats affected but still living teeth with non-invasive procedures.
- Uses ozone treatment to kill bacteria in deep cavities, avoiding direct nerve exposure.
- Applies conservative partial restorations like onlays instead of full crowns.
Benefits of this approach:
- Preserves enamel, minimizes trauma, and reduces the risk of tooth death.
- Maintains long-term tooth structure and health.
- 95% success rate in saving affected teeth without resorting to root canals.
In short, Dr. Jorgensen says that 60–80% of traditional crowns and root canals can be avoided. Which is surely a good thing.
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:
Tooth Remineralization: How To Heal Your Teeth Naturally
Take care!
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Are Electrolyte Supplements Worth It?
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When To Take Electrolytes (And When We Shouldn’t!)
Any sports nutrition outlet will sell electrolyte supplements. Sometimes in the form of sports drinks that claim to be more hydrating than water, or tablets that can be dissolved in water to make the same. How do they work, and should we be drinking them?
What are electrolytes?
They’re called “electrolytes” because they are ionized particles (so, they have a positive or negative electrical charge, depending on which kind of ion they are) that are usually combined in the form of salts.
The “first halves” of the salts include:
- Sodium
- Potassium
- Calcium
- Magnesium
The “second halves” of the salts include:
- Chloride
- Phosphate
- Bicarbonate
- Nitrate
It doesn’t matter too much which way they’re combined, provided we get what we need. Specifically, the body needs them in a careful balance. Too much or too little, and bad things will start happening to us.
If we live in a temperate climate with a moderate lifestyle and a balanced diet, and have healthy working kidneys, usually our kidneys will keep them all in balance.
Why might we need to supplement?
Firstly, of course, you might have a dietary deficiency. Magnesium deficiency in particular is very common in North America, as people simply do not eat as much greenery as they ideally would.
But, also, you might sweat out your electrolytes, in which case, you will need to replace them.
In particular, endurance training and High Intensity Interval Training are likely to prompt this.
However… Are you in a rush? Because if not, you might just want to recover more slowly:
❝Vigorous exercise and warm/hot temperatures induce sweat production, which loses both water and electrolytes. Both water and sodium need to be replaced to re-establish “normal” total body water (euhydration).
This replacement can be by normal eating and drinking practices if there is no urgency for recovery.
But if rapid recovery (<24 h) is desired or severe hypohydration (>5% body mass) is encountered, aggressive drinking of fluids and consuming electrolytes should be encouraged to facilitate recovery❞
Source: Fluid and electrolyte needs for training, competition, and recovery
Should we just supplement anyway, as a “catch-all” to be sure?
Probably not. In particular, it is easy to get too much sodium in one’s diet, let alone by supplementation.And, oversupplementation of calcium is very common, and causes its own health problems. See:
To look directly to the science on this one, we see a general consensus amongst research reviews: “this is complicated and can go either way depending on what else people are doing”:
- Trace minerals intake: risks and benefits for cardiovascular health
- Electrolyte minerals intake and cardiovascular health
Well, that’s not helpful. Any clearer pointers?
Yes! Researchers Latzka and Mountain put together a very practical list of tips. Rather, they didn’t put it as a list, but the following bullet points are information extracted directly from their abstract, though we’ve also linked the full article below:
- It is recommended that individuals begin exercise when adequately hydrated.
- This can be facilitated by drinking 400 mL to 600 mL of fluid 2 hours before beginning exercise and drinking sufficient fluid during exercise to prevent dehydration from exceeding 2% body weight.
- A practical recommendation is to drink small amounts of fluid (150-300 mL) every 15 to 20 minutes of exercise, varying the volume depending on sweating rate.
- During exercise lasting less than 90 minutes, water alone is sufficient for fluid replacement
- During prolonged exercise lasting longer than 90 minutes, commercially available carbohydrate electrolyte beverages should be considered to provide an exogenous carbohydrate source to sustain carbohydrate oxidation and endurance performance.
- Electrolyte supplementation is generally not necessary because dietary intake is adequate to offset electrolytes lost in sweat and urine; however, during initial days of hot-weather training or when meals are not calorically adequate, supplemental salt intake may be indicated to sustain sodium balance.
Source: Water and electrolyte requirements for exercise
Bonus tip:
We’ve talked before about the specific age-related benefits of creatine supplementation, but if you’re doing endurance training or HIIT, you might also want to consider a creatine-electrolyte combination sports drink (even if you make it yourself):
Where can I get electrolyte supplements?
They’re easy to find in any sports nutrition store, or you can buy them online; here’s an example product on Amazon for your convenience
You can also opt for natural and/or homemade electrolyte drinks:
Healthline | 8 Healthy Drinks Rich in Electrolytes
Enjoy!
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