Eat Move Sleep – by Tom Rath
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The subtitle of this book, “how small choices lead to big changes“, is very much the idea that a lot of what we do here at 10almonds is about.
And the title itself, “Eat Move Sleep”? Well, that’s 3/5 of The Usual Five Things™ that we promote here (the other two being: reduce or eliminate alcohol, and don’t smoke). So, naturally this book got our attention.
One of the key ideas that Rath presents is that every action we take leads to a net gain or loss in health. The question then is: what are the biggest point-swingers? In other words, what are the places in our life where the smallest changes can make the biggest difference?
Rath looks at what parts of diet make the biggest difference to our health, and the findings there alone probably make reading the book worthwhile.
When it comes to movement, he actually flips this! For Rath, it’s less about how much exercise you get, and more about minimizing how long we spend not moving… And especially, minimizing how long we spend sitting. So, lots of little tweaks for that.
In the category of sleep: a key idea is that quality is as important as quantity, and there’s an aspect of bringing together as a synergistic routine. To finish off a productive day with good rest, and power up ready for the next morning.
In short: tying these items together—and focusing on the smallest choices that lead to the biggest changes—makes for quite a manifesto that we could describe as “Atomic Habits, for health specifically”.
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What’s the difference between physical and chemical sunscreens? And which one should you choose?
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Sun exposure can accelerate ageing, cause skin burns, erythema (a skin reaction), skin cancer, melasmas (or sun spots) and other forms of hyperpigmentation – all triggered by solar ultraviolet radiation.
Approximately 80% of skin cancer cases in people engaged in outdoor activities are preventable by decreasing sun exposure. This can be done in lots of ways including wearing protective clothing or sunscreens.
But not all sunscreens work in the same way. You might have heard of “physical” and “chemical” sunscreens. What’s the difference and which one is right for you?
How sunscreens are classified
Sunscreens are grouped by their use of active inorganic and organic ultraviolet (UV) filters. Chemical sunscreens use organic filters such as cinnamates (chemically related to cinnamon oil) and benzophenones. Physical sunscreens (sometimes called mineral sunscreens) use inorganic filters such as titanium and zinc oxide.
These filters prevent the effects of UV radiation on the skin.
Organic UV filters are known as chemical filters because the molecules in them change to stop UV radiation reaching the skin. Inorganic UV filters are known as physical filters, because they work through physical means, such as blocking, scattering and reflection of UV radiation to prevent skin damage.
Nano versus micro
The effectiveness of the filters in physical sunscreen depends on factors including the size of the particle, how it’s mixed into the cream or lotion, the amount used and the refraction index (the speed light travels through a substance) of each filter.
When the particle size in physical sunscreens is large, it causes the light to be scattered and reflected more. That means physical sunscreens can be more obvious on the skin, which can reduce their cosmetic appeal.
Nanoparticulate forms of physical sunscreens (with tiny particles smaller than 100 nanometers) can improve the cosmetic appearance of creams on the skin and UV protection, because the particles in this size range absorb more radiation than they reflect. These are sometimes labelled as “invisible” zinc or mineral formulations and are considered safe.
So how do chemical sunscreens work?
Chemical UV filters work by absorbing high-energy UV rays. This leads to the filter molecules interacting with sunlight and changing chemically.
When molecules return to their ground (or lower energy) state, they release energy as heat, distributed all over the skin. This may lead to uncomfortable reactions for people with skin sensitivity.
Generally, UV filters are meant to stay on the epidermis (the first skin layer) surface to protect it from UV radiation. When they enter into the dermis (the connective tissue layer) and bloodstream, this can lead to skin sensitivity and increase the risk of toxicity. The safety profile of chemical UV filters may depend on whether their small molecular size allows them to penetrate the skin.
Chemical sunscreens, compared to physical ones, cause more adverse reactions in the skin because of chemical changes in their molecules. In addition, some chemical filters, such as dibenzoylmethane tend to break down after UV exposure. These degraded products can no longer protect the skin against UV and, if they penetrate the skin, can cause cell damage.
Due to their stability – that is, how well they retain product integrity and effectiveness when exposed to sunlight – physical sunscreens may be more suitable for children and people with skin allergies.
Although sunscreen filter ingredients can rarely cause true allergic dermatitis, patients with photodermatoses (where the skin reacts to light) and eczema have higher risk and should take care and seek advice.
What to look for
The best way to check if you’ll have a reaction to a physical or chemical sunscreen is to patch test it on a small area of skin.
And the best sunscreen to choose is one that provides broad-spectrum protection, is water and sweat-resistant, has a high sun protection factor (SPF), is easy to apply and has a low allergy risk.
Health authorities recommend sunscreen to prevent sun damage and cancer. Chemical sunscreens have the potential to penetrate the skin and may cause irritation for some people. Physical sunscreens are considered safe and effective and nanoparticulate formulations can increase their appeal and ease of use.
Yousuf Mohammed, Dermatology researcher, The University of Queensland and Khanh Phan, Postdoctoral research associate, Frazer Institute, The University of Queensland
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Exercises for Aging-Ankles
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Can Ankles Deterioration be Stopped?
As we all know (or have experienced!), Ankle mobility deteriorates with age.
We’re here to argue that it’s not all doom and gloom!
(In fact, we’ve written about keeping our feet, and associated body parts, healthy here).
This video by “Livinleggings” (below) provides a great argument that yes, ankle deterioration can be stopped, or even reversed. It’s a must-watch for anyone from yoga enthusiasts to gym warriors who might be unknowingly crippling their ankle-health.
How We Can Prioritise Our Ankles
Poor ankle flexibility isn’t just an inconvenience – it’s a direct route to knee issues, hip hiccups, and back pain. More importantly, ankle strength is a core component of building overall mobility.
With 12 muscles in the ankle, it can be overwhelming to work out which to strengthen – and how. But fear not, we can prioritise three of the twelve: the calf duo (gastrocnemius and soleus) and the shin’s main muscle, the tibialis anterior.
The first step is to test yourself! A simple wall test reveals any hidden truths about your ankle flexibility. Go to the 1:55 point in the video to see how it’s done.
If you can’t do it, you’ve got work to be done.
If you read the book we recommended on great functional exercises for seniors, then you may already be familiar with some super ankle exercises.
Otherwise, these four ankle exercises are a great starting point:
How did you find that video? If you’ve discovered any great videos yourself that you’d like to share with fellow 10almonds readers, then please do email them to us!
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4 Critical Things Female Runners Should Know
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When it comes to keeping up performance in the face of menopause, Shona Hendricks has advice:
Don’t let menopause run you down
- Prioritize recovery! Overtraining without adequate recovery just leads to decreased performance in the long term, and remember, you may not recover as quickly as you used to. If you’re still achey from your previous run, give it another day, or at least make it a lighter run.
- Slow down in easy and long runs! This isn’t “taking the easy way out”; it will improve your overall performance, reducing muscle damage, allowing for quicker recovery and ultimately better fitness gains.
- Focus on nutrition! And that means carbs too. A lot of people fighting menopausal weight gain reduce their intake of food, but without sufficient energy availability, you will not be able to run well. In particular, carbohydrates are vital for energy. Consume them sensibly and with fiber and proteins and fats rather than alone, but do consume them.
- Incorporate strength training! Your run is not “leg day” by itself. Furthermore, do whole-body strength training, to prevent injuries and improve overall performance. A strong core is particularly important.
For more on each of these (and some bonus comments about mobility training for runners), enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
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Take care!
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Cheeky diet soft drink getting you through the work day? Here’s what that may mean for your health
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Many people are drinking less sugary soft drink than in the past. This is a great win for public health, given the recognised risks of diets high in sugar-sweetened drinks.
But over time, intake of diet soft drinks has grown. In fact, it’s so high that these products are now regularly detected in wastewater.
So what does the research say about how your health is affected in the long term if you drink them often?
Breakingpic/Pexels What makes diet soft drinks sweet?
The World Health Organization (WHO) advises people “reduce their daily intake of free sugars to less than 10% of their total energy intake. A further reduction to below 5% or roughly 25 grams (six teaspoons) per day would provide additional health benefits.”
But most regular soft drinks contain a lot of sugar. A regular 335 millilitre can of original Coca-Cola contains at least seven teaspoons of added sugar.
Diet soft drinks are designed to taste similar to regular soft drinks but without the sugar. Instead of sugar, diet soft drinks contain artificial or natural sweeteners. The artificial sweeteners include aspartame, saccharin and sucralose. The natural sweeteners include stevia and monk fruit extract, which come from plant sources.
Many artificial sweeteners are much sweeter than sugar so less is needed to provide the same burst of sweetness.
Diet soft drinks are marketed as healthier alternatives to regular soft drinks, particularly for people who want to reduce their sugar intake or manage their weight.
But while surveys of Australian adults and adolescents show most people understand the benefits of reducing their sugar intake, they often aren’t as aware about how diet drinks may affect health more broadly.
Diet soft drinks contain artificial or natural sweeteners. Vintage Tone/Shutterstock What does the research say about aspartame?
The artificial sweeteners in soft drinks are considered safe for consumption by food authorities, including in the US and Australia. However, some researchers have raised concern about the long-term risks of consumption.
People who drink diet soft drinks regularly and often are more likely to develop certain metabolic conditions (such as diabetes and heart disease) than those who don’t drink diet soft drinks.
The link was found even after accounting for other dietary and lifestyle factors (such as physical activity).
In 2023, the WHO announced reports had found aspartame – the main sweetener used in diet soft drinks – was “possibly carcinogenic to humans” (carcinogenic means cancer-causing).
Importantly though, the report noted there is not enough current scientific evidence to be truly confident aspartame may increase the risk of cancer and emphasised it’s safe to consume occasionally.
Will diet soft drinks help manage weight?
Despite the word “diet” in the name, diet soft drinks are not strongly linked with weight management.
In 2022, the WHO conducted a systematic review (where researchers look at all available evidence on a topic) on whether the use of artificial sweeteners is beneficial for weight management.
Overall, the randomised controlled trials they looked at suggested slightly more weight loss in people who used artificial sweeteners.
But the observational studies (where no intervention occurs and participants are monitored over time) found people who consume high amounts of artificial sweeteners tended to have an increased risk of higher body mass index and a 76% increased likelihood of having obesity.
In other words, artificial sweeteners may not directly help manage weight over the long term. This resulted in the WHO advising artificial sweeteners should not be used to manage weight.
Studies in animals have suggested consuming high levels of artificial sweeteners can signal to the brain it is being starved of fuel, which can lead to more eating. However, the evidence for this happening in humans is still unproven.
You can’t go wrong with water. hurricanehank/Shutterstock What about inflammation and dental issues?
There is some early evidence artificial sweeteners may irritate the lining of the digestive system, causing inflammation and increasing the likelihood of diarrhoea, constipation, bloating and other symptoms often associated with irritable bowel syndrome. However, this study noted more research is needed.
High amounts of diet soft drinks have also been linked with liver disease, which is based on inflammation.
The consumption of diet soft drinks is also associated with dental erosion.
Many soft drinks contain phosphoric and citric acid, which can damage your tooth enamel and contribute to dental erosion.
Moderation is key
As with many aspects of nutrition, moderation is key with diet soft drinks.
Drinking diet soft drinks occasionally is unlikely to harm your health, but frequent or excessive intake may increase health risks in the longer term.
Plain water, infused water, sparkling water, herbal teas or milks remain the best options for hydration.
Lauren Ball, Professor of Community Health and Wellbeing, The University of Queensland and Emily Burch, Accredited Practising Dietitian and Lecturer, Southern Cross University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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The Case Against Sugar – by Gary Taubes
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We generally already know that sugar is bad for the health. Most people don’t know how bad.
Taubes makes, as the title goes, “the case against sugar”. Implicated in everything from metabolic syndrome to cancer to Alzheimer’s, sugar is ruinous to the health.
It’s hard to review this book without making a comparison to William Duffy’s 1975 bestseller, “Sugar Blues“. Stylistically it’s very similar, and the general gist is certainly the same.
However! Where this book beats Sugar Blues is in content; Duffy’s book often makes bold claims without scientific backing. Some of those claims didn’t stand the test of time and are now disproven. Instead, Taubes’ book leans on actual up-to-date science, and talks more about what we actually know, than what we imagine.
If this book has a weak point, it’s when it veers away from its main topic and starts talking about, for example, saturated fat. In this side-topic, the book makes some good points, but is less well-considered, cherry-picks data, and lacks nuance.
On its main topic, though, the investigation of sugar, it is rather more thorough.
Bottom line: if you want a next-level motivation to reduce or eliminate dietary sugar, this book may certainly provide that.
Click here to check out The Case Against Sugar and reduce a lot of your health risks!
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Exercised – by Dr. Daniel Lieberman
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Surely the title is taking liberties? We must have evolved to exercise, right? Not exactly.
We evolved to conserve energy. Our strength-to-weight ratio is generally unimpressive, we cannot casually hang in trees, and we spend a third of our lives asleep.
Strengths that we do have, however, include a large brain and a versatile gut perfect for opportunism. Again, not the indicators of being evolved for exercise.
So, Dr. Lieberman tells us, if we’re not inclined to get up and go, that’s quite natural. So, why does it feel good when we do get up and go?
This book covers a lot of the “this not that” aspects of exercise. By this we mean: ways that we can work with or against our bodies, for both physical and psychological fulfilment.
There’s an emphasis on such things as:
- movement without excessive exertion
- persistence being more important than power
- strength-building but only so far as is helpful to us
…and many other factors that you won’t generally see on your gym’s motivational posters
Bottom line: this book is for all those who have felt “exercise is not for me” but would also like the benefits of exercise. It turns out that there’s a best-of-both-worlds sweet spot!
Click here to check out Exercised and get working with your body rather than against it!
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