The Sun Exposure Dilemma
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The Sun Exposure Dilemma
Yesterday, we asked you about your policy on sun exposure, and got the above-pictured, below-described, set of answers:
- A little over a third of respondents chose “I recognize the risks, but I think the benefits outweigh them”
- A quarter of respondents chose “I am a creature of the shadows and I avoid the sun at all costs”
- A little over a fifth of respondents chose “I recognize the benefits, but I think the risks outweigh them”
- A little under a fifth of respondents chose “I’m a sun-lover! Give me that vitamin D and other benefits!”
All in all, this is perhaps the most even spread of answers we’ve had for Friday mythbuster polls—though the sample size was smaller than it often is.
Of those who added comments, common themes were to mention your local climate, and the importance of sunscreen and/or taking vitamin D supplements.
One subscriber mentioned having lupus and living in Florida, which is a particularly unfortunate combination:
Lupus Foundation | Lupus & UV exposure: What you need to know
Another subscriber wrote:
❝Use a very good sunscreen with a high SPF all the time. Reapply after swimming or as needed! I also wear polarized sunglasses anytime I’m outside.❞
…which are important things to note too, and a lot of people forget!
See also: Who Screens The Sunscreens? (on fearing chemical dangers, vs the protection given)
But, onto today’s science for the topic at hand…
We need to get plenty of sun to get plenty of vitamin D: True or False?
True or False, depending on so many factors—to the point that many people get it wildly wrong in either direction.
Whether we are getting enough vitamin D depends on many circumstances, including:
- The climate (and depending on latitude, time of year) where we live
- Our genes, and especially (but not only) our skintone
- The clothes we wear (or don’t)
- Our diet (and not just “how much vitamin D do we consume”)
- Chronic diseases that affect vitamin D metabolism and/or requirements and/or sensitivity to the sun
For a rundown on these factors and more, check out:
Should I be getting my vitamin D levels checked?
Notably, on the topic of whether you should stay in the sun for longer to get more vitamin D…
❝The body can only produce a certain amount of vitamin D at the time, so staying in the sun any longer than needed (which could be just a few minutes, in a sunny climate) is not going to help increase your vitamin D levels, while it will increase your risk of skin cancer.❞
In contrast, she does also note:
❝During winter, catching enough sun can be difficult, especially if you spend your days confined indoors. Typically, the required exposure increases to two to three hours per week in winter. This is because sunlight exposure can only help produce vitamin D if the UVB rays reach us at the correct angle. So in winter we should regularly spend time outside in the middle of the day to get our dose of vitamin D.❞
See also: Vitamin D & Calcium: Too Much Of A Good Thing?
We can skip the sun and get our vitamin D from diet/supplements: True or False?
True! However, vitamin D is not the only health benefit of sun exposure.
Not only is sunlight-induced serotonin production important for many things ranging from mood to circadian rhythm (which in turn affects many other aspects of health), but also…
While too much sun can cause skin cancer, too little sun could cause other kinds of cancer:
Benefits of Sunlight: A Bright Spot for Human Health
Additionally, according to new research, the circadian rhythm benefits we mentioned above may also have an impact on type 2 diabetes:
Can catching some rays help you fight off type 2 diabetes?
Which way to jump?
A lot of it depends on who you are, ranging from the factors we mentioned earlier, to even such things as “having many moles” or “having blonde hair”.
This latter item, blonde hair, is a dual thing: it’s a matter of genetic factors that align with being prone to being more sensitive to the sun, as well as being a lesser physical barrier to the sun’s rays than dark hair (that can block some UV rays).
So for example, if two people have comparably gray hair now, but one of them used to have dark hair and the other blonde, there will still be a difference in how they suffer damage, or don’t—and yes, even if their skin is visually of the same approximate skintone.
You probably already know for yourself whether you are more likely to burn or tan in the sun, and the former group are less resistant to the sun’s damage… But the latter group are more likely to spend longer in the sun, and accumulate more damage that way.
If you’d like a very comprehensive downloadable, here are the guidelines issued by the UK’s National Institute for Health and Care Excellence:
NICE Guidelines | Sunlight exposure: risks and benefits
…and skip to “At risk groups”, if you don’t want to read the whole thing; “Skin type” is also an important subsection, which also uses your hair and eye color as indicators.
Writer’s note: genetics are complicated and not everyone will fall neatly into categories, which is why it’s important to know the individual factors.
For example, I am quite light-skinned with slightly graying dark hair and gray-blue eyes, and/but also have an obscure Sámi gene that means my skin makes vitamin D easily, while simultaneously being unusually resistant to burning (I just tan). Basically: built for the midnight sun of the Arctic circle.
And yet! My hobbies include not getting skin cancer, so I tend to still be quite mindful of UV levels in different weathers and times of day, and make choices (schedule, clothing, sunscreen or not) accordingly.
Bottom line:
That big self-perpetuating nuclear explosion in the sky is responsible for many things, good and bad for our health, so be aware of your own risk factors, especially for vitamin D deficiency, and skin cancer.
- If you have a predisposition to both, that’s unfortunate, but diet and supplementation at least can help with the vitamin D while getting modest amounts of sun at most.
- Remember that you can only make so much vitamin D at once, so sunbathing for health benefits need only take a few minutes
- Remember that sunlight is important for our circadian rhythm, which is important for many things.
- That’s governed by specific photoreceptor cells, though, so we don’t need our skin to be exposed for that; we just need to be able to see sunlight.
- If you’re going to be out in the sun, and not covered up, sunscreen is your friend, and yes, that goes for clear cold days under the winter sun too.
- Most phone weather apps these days have a UV index score as part of the data they give. Get used to checking it as often as you’d check for rain.
Stay safe, both ways around!
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Older people’s risk of abuse is rising. Can an ad campaign protect them?
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Elder abuse is an emerging public health and safety issue for communities of high-income countries.
The most recent data from Australia’s National Elder Abuse Prevalence Study, which surveyed 7,000 older people living in the community, found one in six self-reported being a victim of some form of abuse. But this did not include older people living in residential aged care or those with cognitive impairment, such as dementia – so is likely an underestimate.
This week the Australian government announced a multi-million dollar advertising campaign it hopes will address this serious and abhorrent abuse.
But is investing in community awareness of elder abuse the best use of scarce resources?
What is elder abuse?
The World Health Organization (WHO) defines elder abuse as
[…] a single, or repeated act, or lack of appropriate action, occurring within any relationship where there is an expectation of trust which causes harm or distress to an older person.
Australia usually defines older people as those over 65. The exact age varies between countries depending on the overall health status of a nation and its vulnerable population groups. The WHO definitions of an older adult for sub-Saharan Africa, for example, is over 50. And there are communities with poorer health status and shorter lifespans within country borders, including our First Nations people.
Elder abuse can take on many different forms including physical, sexual, psychological, emotional, or financial abuse and neglect.
Living longer and wealthier
The number of older people in our society is greater than it has ever been. Around 17% Australians are aged 65 and over. By 2071, older Australians will make up between 25% and 27% of the total population.
People are living longer, accumulating substantial wealth and are vulnerable to abuse due to cognitive, physical or functional limitations.
Longer lifespans increase the time of possible exposure to abuse. Australian men aged 65 can expect to live another 20.2 years, while women aged 65 are likely to live another 22.8 years. (Life expectancy for First Nations men and women remains significantly shorter.)
Australian men are now 143 times more likely to reach the age of 100 than they were in 1901. Women are 82 times more likely.
Older people hold a large proportion of our nation’s wealth, making them vulnerable to financial abuse. Recent research by the Australian Council of Social Service and UNSW Sydney reveals older households (with people over 65) are 25% wealthier than the average middle-aged household and almost four times as wealthy as the average under-35 household.
Finally, older people have higher levels of impairment in their thinking, reasoning and physical function. Cognitive impairment, especially dementia, increases from one in 67 Australians under 60 to almost one in two people aged over 90.
Over half of Australians aged 65 years and over have disability. A particularly vulnerable group are the 258,374 older Australians who receive government-funded home care.
Who perpetrates elder abuse?
Sadly, most of the perpetrators of elder abuse are known to their victims. They are usually a member of the family, such as a life partner, child or grandchild.
Elder abuse causes significant illness and even early death. Financial abuse (across all ages) costs the community billions of dollars. Specific data for financial elder abuse is limited but indicates massive costs to individual survivors and the community.
Despite this, the level of awareness of elder abuse is likely to be much lower than for family violence or child abuse. This is partly due to the comparatively recent concept of elder abuse, with global awareness campaigns only developed over the past two decades.
Is an advertising campaign the answer?
The federal government has allocated A$4.8 million to an advertising campaign on television, online and in health-care clinics to reach the broader community. For context, last year the government spent $131.4 million on all media campaigns, including $32.6 million on the COVID vaccination program, $2 million on Japanese encephalitis and $3.2 million on hearing health awareness.
The campaign will likely benefit a small number of people who may be victims and have the capacity to report their perpetrators to authorities. It will generate some heartbreaking anecdotes. But it is unlikely to achieve broad community or systemic change.
There is little research evidence to show media campaigns alter the behaviour of perpetrators of elder abuse. And suggesting the campaign raises awareness of the issue for older people who are survivors of abuse sounds more like blaming victims than empowering them.
We don’t know how the government will judge the success of the campaign, so taxpayers won’t know whether a reasonable return on this investment was achieved. There may also be opportunity costs associated with the initiative – that is, lost opportunities for other actions and strategies. It could be more effective and efficient to target high-risk subgroups or to allocate funding to policy, practice reform or research that has direct tangible benefits for survivors. https://www.youtube.com/embed/DeK2kaqplTI?wmode=transparent&start=0 The Australian Human Rights Commission’s campaign from last year.
But the campaign can’t hurt, right?
Actually, the dangers that could come with an advertising campaign are two-fold.
First it may well oversimplify a highly complex issue. Identifying and managing elder abuse requires an understanding of the person’s vulnerabilities, their decision-making capacity and ability to consent, the will and preferences of victim and the role of perpetrator in the older person’s life. Abuse happens in the context of family and social networks. And reporting abuse can have consequences for the victim’s quality of life and care.
Consider the complexities of a case where an older person declines to have her grandson reported to police for stealing her money and medication because of her fear of becoming socially isolated. She might even feel responsible for the behaviour having raised the grandson and not want him to have a criminal record.
Secondly, a public campaign can create the illusion government and our institutions have the matter “in hand”. This might slow the opportunity for real change.
Ideally, the campaign will strengthen the argument for better policies, reporting procedures, policing, prosecution and judgements that are aligned. But these ends will also need investment in more research to build better communities that take good care of older people.
Joseph Ibrahim, Professor, Aged Care Medical Research Australian Centre for Evidence Based Aged Care, La Trobe University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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The Origin of Everyday Moods – by Dr. Robert Thayer
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First of all, what does this title mean by “everyday moods”? By this the author is referring to the kinds of moods we have just as a matter of the general wear-and-tear of everyday life—not the kind that come from major mood disorders and/or serious trauma.
The latter kinds of mood take less explaining, in any case. Dr. Thayer, therefore, spends his time on the less obvious ones—which in turn are the ones that affect most of the most, every day.
Critical to Dr. Thayer’s approach is the mapping of moods by four main quadrants:
- High energy, high tension
- High energy, low tension
- Low energy, high tension
- Low energy, low tension
…though this can be further divided into 25 sectors, if we rate each variable on a scale of 0–4. But for the first treatment, it suffices to look at whether energy and tension are high or low, respectively, and which we’d like to have more or less of.
Then (here be science) how to go about achieving that in the most efficient, evidence-based ways. So, it’s not just a theoretical book; it has great practical value too.
The style of the book is accessible, and walks a fine line between pop-science and hard science, which makes it a great book for laypersons and academics alike.
Bottom line: if you’d like the cheat codes to improve your moods and lessen the impact of bad ones, this is the book for you.
Click here to check out The Origin of Everyday Moods, and manage yours!
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Teen Daily Delivery Requested
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It’s Q&A Day at 10almonds!
Have a question or a request? You can always hit “reply” to any of our emails, or use the feedback widget at the bottom!
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 thoroughly enjoy your daily delivery. I’d love to see one for teens too!
That’s great to hear! The average age of our subscribers is generally rather older, but it’s good to know there’s an interest in topics for younger people. We’ll bear that in mind, and see what we can do to cater to that without alienating our older readers!
That said: it’s never too soon to be learning about stuff that affects us when we’re older—there are lifestyle factors at 20 that affect Alzheimer’s risk at 60, for example (e.g. drinking—excessive drinking at 20* is correlated to higher Alzheimer’s risk at 60).
*This one may be less of an issue for our US readers, since the US doesn’t have nearly as much of a culture of drinking under 21 as some places. Compare for example with general European practices of drinking moderately from the mid-teens, or the (happily, diminishing—but historically notable) British practice of drinking heavily from the mid-teens.
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What Macronutrient Balance Is Right For You?
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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 want to learn more about macros. Can you cover that topic?❞
That’s a little broader than we usually go for, given the amount of space we have, but let’s give it a go!
Macronutrients, or “macros”, are the nutrients that we typically measure in grams rather than milligrams or micrograms, and are:
- Carbohydrates
- …and what kinds, of which usually the focus is on how much is sugars as opposed to more complex carbs that take longer to break down. See also: Should You Go Light Or Heavy On Carbs?
- …and of the sugars, the interested may further categorize them into sucrose, fructose, etc. See also: Which Sugars Are Healthier, And Which Are Just The Same?
- Proteins
- …of which, the amino acid make-up is generally considered a matter of micronutrients. See also: Protein: How Much Do We Need, Really?
- Fats
- …and what kinds, i.e. monounsaturated vs polyunsaturated vs saturated. See also: Saturated Fat: What’s The Truth?
- …and then the interested may further categorize them for their fatty acids / triglycerides profile, etc. See also: What Omega-3 Fatty Acids Really Do For Us
- Fiber
- …which often gets ignored by people counting macros, as “stuff that doesn’t do anything”, despite it in fact being very important for health. See also: Why You’re Probably Not Getting Enough Fiber (And How To Fix It)
- Water
- …which again tends to get disregarded but is very arguably a critical macronutrient. See also: Busting The Myth of “Eight Glasses Of Water A Day”
In terms of how much we need of each, you can read more in the above-linked articles, but:
- General scientific consensus is we need plenty of fiber (30 or 40g per day is good) and water (highly dependent on climate and activity), and there’s a clear minimum requisite for protein (usually put at around 1g of protein per day per 1kg of body weight).
- There is vigorous debate in the general health community about what the best ratio of carbs to fat is.
The reality is that humans are quite an adaptable species, and while we absolutely do need at least some of both (carbohydrates and fats), we can play around with the ratios quite a bit, provided we don’t get too extreme about it.
While some influence is social and often centered around weight loss (see for example keto which seeks to minimize carbs, and volumetrics, which seeks maximise volume-to-calorie ratio, which de facto tends to minimize fats), some of what drives us to lean one way or the other will be genetics, too—dependent on what our ancestors ate more or less of.
Writer’s example: my ancestors could not grow much grain (or crops in general) where they were, so they got more energy from such foods as whale and seal fat (with protein coming more from reindeer). Now, biology is not destiny, and I personally enjoy a vegan diet, but my genes are probably why I am driven to get most of my daily calories from fat (of which, a lot of fatty nuts (don’t tell almonds, but I prefer walnuts and cashews) and healthy oils such as olive oil, avocado oil, and coconut oil).
However! About that adaptability. Provided we make changes slowly, we can usually adjust our diet to whatever we want it to be, including whether we get our energy more from carbs or fats. The reason we need to make changes slowly is because our gut needs time to adjust. For example, if your vegan writer here were to eat her ancestrally-favored foods now, I’d be very ill, because my gut microbiome has no idea what to do with animal products anymore, no matter what genes I have. In contrast, if an enthusiastic enjoyer of a meat-heavy diet were to switch to my fiber-rich diet overnight, they’d be very ill.
So: follow your natural inclinations, make any desired changes slowly, and if in doubt, it’s hard to go wrong with enjoying carbs and fats in moderation.
Learn more: Intuitive Eating Might Not Be What You Think
Take care!
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Superfood Pesto Pizza
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Not only is this pizza full of foods that punch above their weight healthwise, there’s no kneading and no waiting when it comes to the base, either. Homemade pizzas made easy!
You will need
For the topping:
- 1 zucchini, sliced
- 1 red bell pepper, cut into strips
- 3 oz mushrooms, sliced
- 3 shallots, cut into quarters
- 6 sun-dried tomatoes, roughly chopped
- ½ bulb garlic (paperwork done, but cloves left intact, unless they are very large, in which case halve them)
- 1 oz pitted black olives, halved
- 1 handful arugula
- 1 tbsp extra virgin olive oil
- 2 tsp black pepper, coarse ground
- ½ tsp MSG or 1 tsp low-sodium salt
For the base:
- ½ cup chickpea flour (also called besan or gram flour)
- 2 tsp extra virgin olive oil
- ½ tsp baking powder
- ⅛ tsp MSG or ¼ tsp low-sodium salt
For the pesto sauce:
- 1 large bunch basil, chopped
- ½ avocado, pitted and peeled
- 1 oz pine nuts
- ¼ bulb garlic, crushed
- 2 tbsp nutritional yeast
- 1 tsp black pepper
- Juice of ½ lemon
Method
(we suggest you read everything at least once before doing anything)
1) Preheat the oven to 400℉ / 200℃.
2) Toss the zucchini, bell pepper, mushrooms, shallots, and garlic cloves in 1 tbsp olive oil, ensuring an even coating. Season with the black pepper and MSG/salt, and put on a baking tray lined with baking paper, to roast for about 20 minutes, until they are slightly charred.
3) When the vegetables are in the oven, make the pizza base by combining the dry ingredients in a bowl, making a pit in the middle of it, adding the olive oil and whisking it in, and then slowly (i.e., a little bit at a time) whisking in 1 cup cold water. This should take under 5 minutes.
4) Don’t panic when this doesn’t become a dough; it is supposed to be a thick batter, so that’s fine. Pour it into a 9″ pizza pan, and bake for about 15 minutes, until firm. Rotate it if necessary partway through; whether it needs this or not will depend on your oven.
5) While the pizza base is in the oven, make the pesto sauce by blending all the pesto sauce ingredients in a high-speed blender until smooth.
6) When the base and vegetables are ready (these should be finished around the same time), spread the pesto sauce on the base, scatter the arugula over it followed by the vegetables and then the olives and sun-dried tomatoes.
7) Serve, adding any garnish or other final touches that take your fancy.
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- Which Bell Peppers To Pick? A Spectrum Of Specialties
- Ergothioneine In Mushrooms: “The Longevity Vitamin” (That’s Not A Vitamin)
- Black Olives vs Green Olives – Which is Healthier
- Lycopene’s Benefits For The Gut, Heart, Brain, & More
- Coconut vs Avocado – Which is Healthier?
- Herbs for Evidence-Based Health & Healing
- Spermidine For Longevity
Take care!
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How To Heal Psoriasis Naturally
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Nutritionist Julia Davies explains the gut-skin connection (& how to use it to your advantage) in this video:
Inside out
Psoriasis is a chronic autoimmune skin condition, in which the skin renewal process accelerates from 28 days (normal) to 3–5 days, leading to red, scaly patches. It most commonly affects the outer joints (especially elbows & knees) but can appear anywhere, including the scalp and torso.
Autoimmune diseases are often linked to gut barrier integrity issues, as leaky gut syndrome allows toxins/food particles to penetrate the gut lining, triggering an immune response, which means inflammation.
Standard treatments often include topical or systemic immunosuppressants, such as steroids. Such medications suppress the immune response (and thus the symptoms) but they don’t address root causes.
What to do about it, from the root
As you might imagine, part of the key is a non-inflammatory (or ideally, anti-inflammatory) diet. This means starting by removing likely triggers; gluten sensitivity is common so that’s near the top of the list.
At the very top of the list though is sugar*, which is not only pro-inflammatory but also feeds candida in the gut, which is a major driver of leaky gut, as the fungus puts its roots through your intestines (that’s as bad as it sounds).
*as usual, sugar that comes with adequate fiber, such as whole fruit, is fine. Fruit juice, however, is not.
It is likely to see early improvements within 6 weeks, and significant improvement (such as being mostly symptom-free) can take 6–8 months, so don’t give up if it’s day 3 and you’re not cured yet. This is a marathon not a sprint, and you’ll need to maintain things or the psoriasis may return.
In the meantime, it is recommended to do all you reasonably can to help your gut to repair itself, which means a good amount of fiber, and occasional probiotics. Also, focusing on whole, nutrient-dense foods will of course reduce inflammation and improve energy—which can be a big deal, as psoriasis is often associated with fatigue, both because inflammation itself is exhausting (the body is very active, on a cellular level), and because a poor diet is not invigorating.
Outside of diet, stress is often a trigger for flare-ups, so try to manage that too, of course.
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:
Of Brains & Breakouts: The Brain-Skin Doctor
Take care!
Don’t Forget…
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