Blue Light At Night? Save More Than Just Your Sleep!
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Beating The Insomnia Blues
You previously asked us about recipes for insomnia (or rather, recipes/foods to help with easing insomnia). We delivered!
But we also semi-promised we’d cover a bit more of the general management of insomnia, because while diet’s important, it’s not everything.
Sleep Hygiene
Alright, you probably know this first bit, but we’d be remiss if we didn’t cover it before moving on:
- No caffeine or alcohol before bed
- Ideally: none earlier either, but if you enjoy one or the other or both, we realize an article about sleep hygiene isn’t going to be what changes your mind
- Fresh bedding
- At the very least, fresh pillowcase(s). While washing and drying an entire bedding set constantly may be arduous and wasteful of resources, it never hurts to throw your latest pillowcase(s) in with each load of laundry you happen to do.
- Warm bed, cool room = maximum coziness
- Dark room. Speaking of which…
About That Darkness…
When we say the room should be dark, we really mean it:
- Not dark like “evening mood lighting”, but actually dark.
- Not dark like “in the pale moonlight”, but actually dark.
- Not dark like “apart from the light peeking under the doorway”, but actually dark.
- Not dark like “apart from a few LEDs on electronic devices that are on standby or are charging”, but actually dark.
There are many studies about the impact of blue light on sleep, but here’s one as an example.
If blue light with wavelength between 415 nm and 455 nm (in the visible spectrum) hits the retina, melatonin (the sleep hormone) will be suppressed.
The extent of the suppression is proportional to the amount of blue light. This means that there is a difference between starting at an “artificial daylight” lamp, and having the blue LED of your phone charger showing… but the effect is cumulative.
And it gets worse:
❝This high energy blue light passes through the cornea and lens to the retina causing diseases such as dry eye, cataract, age-related macular degeneration, even stimulating the brain, inhibiting melatonin secretion, and enhancing adrenocortical hormone production, which will destroy the hormonal balance and directly affect sleep quality.❞
Read it in full: Research progress about the effect and prevention of blue light on eyes
See also: Age-related maculopathy and the impact of blue light hazard
So, what this means, if we value our health, is:
- Switch off, or if that’s impractical, cover the lights of electronic devices. This might be as simple as placing your phone face-down rather than face-up, for instance.
- Invest in blackout blinds/curtains (per your preference). Serious ones, like these ← see how they don’t have to be black to be blackout! You don’t have to sacrifice style for function
- If you can’t reasonably do the above, consider a sleep mask. Again, a good one. Not the kind you were given on a flight, or got free with some fluffy handcuffs. We mean a full-blackout sleep mask that’s designed to be comfortable enough to sleep in, like this one.
- If you need to get up to pee or whatever, do like a pirate and keep one eye covered/closed. That way, it’ll remain unaffected by the light. Pirates did it to retain their night vision when switching between being on-deck or below, but you can do it to halve the loss of melatonin.
Lights-Out For Your Brain Too
You can have all the darkness in the world and still not sleep if your mind is racing thinking about:
- your recent day
- your next day
- that conversation you wish had gone differently
- what you really should have done when you were 18
- how you would go about fixing your country’s socio-political and economic woes if you were in charge
- Etc.
We wrote about how to hit pause on all that, in a previous edition of 10almonds.
Check it out: The Off-Button For Your Brain—How to “just say no” to your racing mind (this trick really works)
Sweet dreams!
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Cannabis Myths vs Reality
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Cannabis Myths vs Reality
We asked you for your (health-related) opinion on cannabis use—specifically, the kind with psychoactive THC, not just CBD. We got the above-pictured, below-described, spread of responses:
- A little over a third of you voted for “It’s a great way to relax, without most of the dangers of alcohol”.
- A little under a third of you voted for “It may have some medical uses, but recreational use is best avoided”.
- About a quarter of you voted for “The negative health effects outweigh the possible benefits”
- Three of you voted for “It is the gateway to a life of drug-induced stupor and potentially worse”
So, what does the science say?
A quick legal note first: we’re a health science publication, and are writing from that perspective. We do not know your location, much less your local laws and regulations, and so cannot comment on such. Please check your own local laws and regulations in that regard.
Cannabis use can cause serious health problems: True or False?
True. Whether the risks outweigh the benefits is a personal and subjective matter (for example, a person using it to mitigate the pain of late stage cancer is probably unconcerned with many other potential risks), but what’s objectively true is that it can cause serious health problems.
One subscriber who voted for “The negative health effects outweigh the possible benefits” wrote:
❝At a bare minimum, you are ingesting SMOKE into your lungs!! Everyone SEEMS TO BE against smoking cigarettes, but cannabis smoking is OK?? Lung cancer comes in many forms.❞
Of course, that is assuming smoking cannabis, and not consuming it as an edible. But, what does the science say on smoking it, and lung cancer?
There’s a lot less research about this when it comes to cannabis, compared to tobacco. But, there is some:
❝Results from our pooled analyses provide little evidence for an increased risk of lung cancer among habitual or long-term cannabis smokers, although the possibility of potential adverse effect for heavy consumption cannot be excluded.❞
Read: Cannabis smoking and lung cancer risk: Pooled analysis in the International Lung Cancer Consortium
Another study agreed there appears to be no association with lung cancer, but that there are other lung diseases to consider, such as bronchitis and COPD:
❝Smoking cannabis is associated with symptoms of chronic bronchitis, and there may be a modest association with the development of chronic obstructive pulmonary disease. Current evidence does not suggest an association with lung cancer.❞
Read: Cannabis Use, Lung Cancer, and Related Issues
Cannabis edibles are much safer than smoking cannabis: True or False?
Broadly True, with an important caveat.
One subscriber who selected “It may have some medical uses, but recreational use is best avoided”, wrote:
❝I’ve been taking cannabis gummies for fibromyalgia. I don’t know if they’re helping but they’re not doing any harm. You cannot overdose you don’t become addicted.❞
Firstly, of course consuming edibles (rather than inhaling cannabis) eliminates the smoke-related risk factors we discussed above. However, other risks remain, including the much greater ease of accidentally overdosing.
❝Visits attributable to inhaled cannabis are more frequent than those attributable to edible cannabis, although the latter is associated with more acute psychiatric visits and more ED visits than expected.❞
Note: that “more frequent” for inhaled cannabis, is because more people inhale it than eat it. If we adjust the numbers to control for how much less often people eat it, suddenly we see that the numbers of hospital admissions are disproportionately high for edibles, compared to inhaled cannabis.
Or, as the study author put it:
❝There are more adverse drug events associated on a milligram per milligram basis of THC when it comes in form of edibles versus an inhaled cannabis. If 1,000 people smoked pot and 1,000 people at the same dose in an edible, then more people would have more adverse drug events from edible cannabis.❞
See the numbers: Acute Illness Associated With Cannabis Use, by Route of Exposure
Why does this happen?
- It’s often because edibles take longer to take effect, so someone thinks “this isn’t very strong” and has more.
- It’s also sometimes because someone errantly eats someone else’s edibles, not realising what they are.
- It’s sometimes a combination of the above problems: a person who is now high, may simply forget and/or make a bad decision when it comes to eating more.
On the other hand, that doesn’t mean inhaling it is necessarily safer. As well as the pulmonary issues we discussed previously, inhaling cannabis has a higher risk of cannabinoid hyperemesis syndrome (and the resultant cyclic vomiting that’s difficult to treat).
You can read about this fascinating condition that’s sometimes informally called “scromiting”, a portmanteau of screaming and vomiting:
Cannabinoid Hyperemesis Syndrome
You can’t get addicted to cannabis: True or False?
False. However, it is fair to say that the likelihood of developing a substance abuse disorder is lower than for alcohol, and much lower than for nicotine.
See: Prevalence of Marijuana Use Disorders in the United States Between 2001–2002 and 2012–2013
If you prefer just the stats without the science, here’s the CDC’s rendering of that:
Addiction (Marijuana or Cannabis Use Disorder)
However, there is an interesting complicating factor, which is age. One is 4–7 times more likely to develop a substance abuse disorder, if one starts use as an adolescent, rather than later in life:
Cannabis is the gateway to use of more dangerous drugs: True or False?
False, generally speaking. Of course, for any population there will be some outliers, but there appears to be no meaningful causal relation between cannabis use and other substance use:
Interestingly, the strongest association (where any existed at all) was between cannabis use and opioid use. However, rather than this being a matter of cannabis use being a gateway to opioid use, it seems more likely that this is a matter of people looking to both for the same purpose: pain relief.
As a result, growing accessibility of cannabis may actually reduce opioid problems:
- Cannabis as a Gateway Drug for Opioid Use Disorder
- Association between medical cannabis laws and opioid overdose mortality has reversed over time
Some final words…
Cannabis is a complex drug with complex mechanisms and complex health considerations, and research is mostly quite young, due to its historic illegality seriously cramping science by reducing sample sizes to negligible. Simply put, there’s a lot we still don’t know.
Also, we covered some important topics today, but there were others we didn’t have time to cover, such as the other potential psychological benefits—and risks. Likely we’ll revisit those another day.
Lastly, while we’ve covered a bunch of risks today, those of you who said it has fewer and lesser risks than alcohol are quite right—the only reason we couldn’t focus on that more, is because to talk about all the risks of alcohol would make this feature many times longer!
Meanwhile, whether you partake or not, stay safe and stay well.
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Stickers and wristbands aren’t a reliable way to prevent mosquito bites. Here’s why
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Protecting yourself and family from mosquito bites can be challenging, especially in this hot and humid weather. Protests from young children and fears about topical insect repellents drive some to try alternatives such as wristbands, patches and stickers.
These products are sold online as well as in supermarkets, pharmacies and camping stores. They’re often marketed as providing “natural” protection from mosquitoes.
But unfortunately, they aren’t a reliable way to prevent mosquito bites. Here’s why – and what you can try instead.
Why is preventing mosquito bites important?
Mosquitoes can spread pathogens that make us sick. Japanese encephalitis and Murray Valley encephalitis viruses can have potentially fatal outcomes. While Ross River virus won’t kill you, it can cause potentially debilitating illnesses.
Health authorities recommend preventing mosquito bites by: avoiding areas and times of the day when mosquitoes are most active; covering up with long sleeved shirts, long pants, and covered shoes; and applying a topical insect repellent (a cream, lotion, or spray).
I don’t want to put sticky and smelly repellents on my skin!
While for many people, the “sting” of a biting mosquitoes is enough to prompt a dose of repellent, others are reluctant. Some are deterred by the unpleasant feel or smell of insect repellents. Others believe topical repellents contain chemicals that are dangerous to our health.
However, many studies have shown that, when used as recommended, these products are safe to use. All products marketed as mosquito repellents in Australia must be registered by the Australian Pesticides and Veterinary Medicines Authority; a process that provides recommendations for safe use.
How do topical repellents work?
While there remains some uncertainty about how the chemicals in topical insect repellents actually work, they appear to either block the sensory organs of mosquitoes that drive them to bite, or overpower the smells of our skin that helps mosquitoes find us.
Diethytolumide (DEET) is a widely recommended ingredient in topical repellents. Picaridin and oil of lemon eucalyptus are also used and have been shown to be effective and safe.
How do other products work?
“Physical” insect-repelling products, such as wristbands, coils and candles, often contain a botanically derived chemical and are often marketed as being an alternative to DEET.
However, studies have shown that devices such as candles containing citronella oil provide lower mosquito-bite prevention than topical repellents.
A laboratory study in 2011 found wristbands infused with peppermint oil failed to provide full protection from mosquito bites.
Even as topical repellent formulations applied to the skin, these botanically derived products have lower mosquito bite protection than recommended products such as those containing DEET, picaridin and oil of lemon eucalyptus.
Wristbands infused with DEET have shown mixed results but may provide some bite protection or bite reduction. DEET-based wristbands or patches are not currently available in Australia.
There is also a range of mosquito repellent coils, sticks, and other devices that release insecticides (for example, pyrethroids). These chemicals are primarily designed to kill or “knock down” mosquitoes rather than to simply keep them from biting us.
What about stickers and patches?
Although insect repellent patches and stickers have been available for many years, there has been a sudden surge in their marketing through social media. But there are very few scientific studies testing their efficacy.
Our current understanding of the way insect repellents work would suggest these small stickers and patches offer little protection from mosquito bites.
At best, they may reduce some bites in the way mosquito coils containing botanical products work. However, the passive release of chemicals from the patches and stickers is likely to be substantially lower than those from mosquito coils and other devices actively releasing chemicals.
One study in 2013 found a sticker infused with oil of lemon eucalyptus “did not provide significant protection to volunteers”.
Clothing impregnated with insecticides, such as permethrin, will assist in reducing mosquito bites but topical insect repellents are still recommended for exposed areas of skin.
Take care when using these products
The idea you can apply a sticker or patch to your clothing to protect you from mosquito bites may sound appealing, but these devices provide a false sense of security. There is no evidence they are an equally effective alternative to the topical repellents recommended by health authorities around the world. It only takes one bite from a mosquito to transmit the pathogens that result in serious disease.
It is also worth noting that there are some health warnings and recommendations for their use required by Australian Pesticides and Veterinary Medicines Authority. Some of these products warn against application to the skin (recommending application to clothing only) and to keep products “out of reach of children”. This is a challenge if attached to young children’s clothing.
Similar warnings are associated with most other topical and non-topical mosquito repellents. Always check the labels of these products for safe use recommendations.
Are there any other practical alternatives?
Topical insect repellents are safe and effective. Most can be used on children from 12 months of age and pose no health risks. Make sure you apply the repellent as a thin even coat on all exposed areas of skin.
But you don’t need “tropical strength” repellents for short periods of time outdoors; a range of formulations with lower concentrations of repellent will work well for shorter trips outdoors. There are some repellents that don’t smell as strong (for example, children’s formulations, odourless formulations) or formulations that may be more pleasant to use (for example, pump pack sprays).
Finally, you can always cover up. Loose-fitting long-sleeved shirts, long pants, and covered shoes will provide a physical barrier between you and mosquitoes on the hunt for your or your family’s blood this summer.
Cameron Webb, Clinical Associate Professor and Principal Hospital Scientist, University of Sydney
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Great Sex Never Gets Old – by Kimberly Cunningham – by Kimberly Cunningham
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Here some readers may be thinking “after 40? But I am 70 already” or such, so be assured, there’s no upper limit on the applicability of this book’s writings. The number of 40 was chosen more as the start point of things, because it is an age after which the majority of hormonal declines happen (and with them, often, sex drive and/or physical ability). But, as she explains, this is by no means necessarily an end, and can instead be an exciting new beginning.
She kicks things off with a “wellness check”, before diving into the science of the menopause—and yes, the andropause too.
She doesn’t stop there though, and discusses other hormones besides the obvious ones, and other non-hormonal factors that can affect sex in what for most people is the later half of life.
Nurse Cunningham, much like most of modern science, is strongly pro-HRT, and/but doesn’t claim it to be a magic bullet (though honestly, it can feel like it is! But here we’re reviewing the book, not HRT, so let’s continue), or else this book could have been a leaflet. Instead, she talks about the side-effects to expect (mostly good or neutral, but still, things you don’t want to be taken by surprise by), and what things will just be “a little different” now if you’re running on exogenous bioidentical hormones rather than ones your own body made. A lot of this comes down to how and when one takes them, by the way, since this can be different to your body making its own natural peaks and troughs.
But it’s not all about hormones; there are also plenty of chapters on social and psychological issues, as well as medical issues other than hormones.
The style is very light and conversational, while also casually dropping about 30 pages of scientific references. Like many nurses, the author knows at least as much as doctors when it comes to her area of expertise, and it shows.
Bottom line: if your sex has ever hit a slump, and/or you simply recognize that it could, this book could make a very important difference.
Click here to check out Great Sex Never Gets Old, and enjoy the best of life in the bedroom too!
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‘It’s okay to poo at work’: new health campaign highlights a common source of anxiety
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For most people, the daily or near-daily ritual of having a bowel motion is not something we give a great deal of thought to. But for some people, the need to do a “number two” in a public toilet or at work can be beset with significant stress and anxiety.
In recognition of the discomfort people may feel around passing a bowel motion at work, the Queensland Department of Health recently launched a social media campaign with the message “It’s okay to poo at work”.
The campaign has gained significant traction on Instagram and Facebook. It has been praised by health and marketing experts for its humorous handling of a taboo topic.
A colourful Instagram post is accompanied by a caption warning of the health risks of “holding it in”, including haemorrhoids and other gastrointestinal problems. The caption also notes:
If you find it extremely difficult to poo around other people, you might have parcopresis.
Queensland Health/Instagram What is parcopresis?
Parcopresis, sometimes called “shy bowel”, occurs when people experience a difficulty or inability to poo in public toilets due to fear of perceived scrutiny by others.
People with parcopresis may find it difficult to go to the toilet in public places such as shopping centres, restaurants, at work or at school, or even at home when friends or family are around.
They may fear being judged by others about unpleasant smells or sounds when they have a bowel motion, or how long they take to go, for example.
Living with a gastrointestinal condition (at least four in ten Australians do) may contribute to parcopresis due to anxiety about the need to use a toilet frequently, and perceived judgment from others when doing so. Other factors, such as past negative experiences or accessibility challenges, may also play a role.
Some people may feel uncomfortable about using the toilet at work. Motortion Films/Shutterstock For sufferers, anxiety can present in the form of a faster heart rate, rapid breathing, sweating, muscle tension, blushing, nausea, trembling, or a combination of these symptoms. They may experience ongoing worry about situations where they may need to use a public toilet.
Living with parcopresis can affect multiple domains of life and quality of life overall. For example, sufferers may have difficulties relating to employment, relationships and social life. They might avoid travelling or attending certain events because of their symptoms.
How common is parcopresis?
We don’t really know how common parcopresis is, partly due to the difficulty of evaluating this behaviour. It’s not necessarily easy or appropriate to follow people around to track whether they use or avoid public toilets (and their reasons if they do). Also, observing individual bathroom activities may alter the person’s behaviour.
I conducted a study to try to better understand how common parcopresis is. The study involved 714 university students. I asked participants to respond to a series of vignettes, or scenarios.
In each vignette participants were advised they were at a local shopping centre and they needed to have a bowel motion. In the vignettes, the bathrooms (which had been recently cleaned) had configurations of either two or three toilet stalls. Each vignette differed by the configuration of stalls available.
The rate of avoidance was just over 14% overall. But participants were more likely to avoid using the toilet when the other stalls were occupied.
Around 10% avoided going when all toilets were available. This rose to around 25% when only the middle of three toilets was available. Men were significantly less likely to avoid going than women across all vignettes.
For those who avoided the toilet, many either said they would go home to poo, use an available disabled toilet, or come back when the bathroom was empty.
Parcopresis at work
In occupational settings, the rates of anxiety about using shared bathrooms may well be higher for a few reasons.
For example, people may feel more self-conscious about their bodily functions being heard or noticed by colleagues, compared to strangers in a public toilet.
People may also experience guilt, shame and fear about being judged by colleagues or supervisors if they need to make extended or frequent visits to the bathroom. This may particularly apply to people with a gastrointestinal condition.
Reducing restroom anxiety
Using a public toilet can understandably cause some anxiety or be unpleasant. But for a small minority of people it can be a real problem, causing severe distress and affecting their ability to engage in activities of daily living.
If doing a poo in a toilet at work or another public setting causes you anxiety, be kind to yourself. A number of strategies might help:
- identify and challenge negative thoughts about using public toilets and remind yourself that using the bathroom is normal, and that most people are not paying attention to others in the toilets
- try to manage stress through relaxation techniques such as deep breathing and progressive muscle relaxation, which involves tensing and relaxing different muscles around the body
- engaging in gradual exposure can be helpful, which means visiting public toilets at different times and locations, so you can develop greater confidence in using them
- use grounding or distraction techniques while going to the toilet. These might include listening to music, watching something on your phone, or focusing on your breathing.
If you feel parcopresis is having a significant impact on your life, talk to your GP or a psychologist who can help identify appropriate approaches to treatment. This might include cognitive behavioural therapy.
Simon Robert Knowles, Associate Professor and Clinical Psychologist, Swinburne University of Technology
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Get Ahead (Healthwise) This Winter
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Tomorrow will be December the first.
A month later, it’ll be January the first, and very many people will be quite briefly making a concerted effort to get healthier.
So, let’s get a head start, so that we can hit January already in great health!
December’s traps to plan around
In North America at least, common calendar-specific health problems associated with December are:
- Infectious diseases (seasonal flu and similar unpleasantries)
- Inactivity (seasonal weather)
- Slower metabolism (seasonal eating and drinking, plus seasonal weather)
- Alcohol (seasonal drinking)
- Stress (seasonal burdens)
So, let’s plan around those!
But first, sleep
Nothing will go well if we are not well-rested. There are six dimensions of sleep, but the ones that matter the most are regularity and duration, so plan for those and the rest should fall into place:
Calculate (And Enjoy) The Perfect Night’s Sleep
Skip those viruses
If you’re doing the rest of what we advise, your immune system will probably be in good shape, unless you have some chronic disease that means you are immunocompromised, in which case the next things will be extra important:
- Avoid enclosed spaces with lots of people where possible
- Ventilation is your friend (as is air filtration)
- Masks don’t protect against everything, but they do protect against a lot
- Wash your hands more often than you think is necessary (invest in luxurious soap, to make it a more pleasant experience, then you’re more likely to do it often!)
- Breathe through your nose, not your mouth (nostril hairs attract floating particles by static charge, and then dispose of intruders via mucus)
See also: The Pathogens That Came In From The Cold
Plan your movement
But, realistically. Let’s face it, unless you already have such a habit, you’re not going to be hitting the gym at 6am every day, or be out pounding pavement.
The weather often makes us more reluctant to exercise, so if that sound like you, plan something low-key but sustainable that will set you in good stead ready for the new year. Here are two approaches; you can do both if you like, but picking at least one is a good idea:
- Commit to just a few minutes of high-intensity exercise each day. If you don’t have equipment, then bodyweight squats are a great option.
- Commit to gentle exercises each day—pick some stretches and mobility drills you like, and focus on getting supple for the new year.
See also: How To Keep On Keeping On, When Motivation Isn’t High ← this isn’t a motivational pep talk; it’s tricks and hacks to make life easier while still getting good results!
Fuel in the tank
It’s fine if you eat more in winter. We even evolved to put on a few pounds around this time of year. However, to avoid sabotaging your health, it’s good to do things mindfully. Pick one main dietary consideration to focus on, for example “anti-inflammatory” or “antidiabetic” or “nutrient-dense”.
Those focused ways of eating will, by the way, have a huge amount of overlap. But by picking one specific factor to focus on, it simplifies food choices at a time of year when supermarkets are deliberately overwhelming us with choices.
If you’re having a hard time picking just one thing to focus on, then we recommend:
What Matters Most For Your Heart?
About that festive spirit…
Alcohol consumption goes up around this time of year, partly for social reasons, partly for “it’s cold and the marketing says alcohol warms us up” reasons, and partly for stress-related reasons. We’re sure you know it sabotages your health, so choose your path:
How To Reduce Or Quit Alcohol, or
How To Reduce The Harm Of Festive Drinking (Without Abstaining)
Relax and unwind, often
There’s a lot going on in December: consumerism is running high, everyone wants to sell you something, finances can be stressful, social/familial obligations can be challenging sometimes too, and Seasonal Affective Disorder is at its worst.
Make sure to regularly take some time out to take care of yourself, and make sure you’re doing the things you want to do or really have to do, not just things you feel you’re expected to do.
Different people can have very different challenges at this time of year, so it’s hard to give a “one size fits all” solution here (and we don’t have the room to cover every possible thing today). You know your life best, so think what you’re most likely to want/need for you this month, and make sure you get it.
At the very least, most of us will benefit from taking a few minutes to consciously relax, and often, so something that is almost always a good idea for that is:
No-Frills, Evidence Based Mindfulness
…but if you’re feeling in a more playful mood, consider:
Meditation Games You’ll Actually Enjoy!
Take care!
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Sweet Cinnamon vs Regular Cinnamon – Which is Healthier?
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Our Verdict
When comparing sweet cinnamon to regular cinnamon, we picked the sweet.
Why?
In this case, it’s not close. One of them is health-giving and the other is poisonous (but still widely sold in supermarkets, especially in the US and Canada, because it is cheaper).
It’s worth noting that “regular cinnamon” is a bit of a misnomer, since sweet cinnamon is also called “true cinnamon”. The other cinnamon’s name is formally “cassia cinnamon”, but marketers don’t tend to call it that, preferring to calling it simply “cinnamon” and hope consumers won’t ask questions about what kind, because it’s cheaper.
Note: this too is especially true in the US and Canada, where for whatever reason sweet cinnamon seems to be more difficult to obtain than in the rest of the world.
In short, both cinnamons contain cinnamaldehyde and coumarin, but:
- Sweet/True cinnamon contains only trace amounts of coumarin
- Regular/Cassia cinnamon contains about 250x more coumarin
Coumarin is heptatotoxic, meaning it poisons the liver, and the recommended safe amount is 0.1mg/kg, so it’s easy to go over that with just a couple of teaspoons of cassia cinnamon.
You might be wondering: how can they get away with selling something that poisons the liver? In which case, see also: the alcohol aisle. Selling toxic things is very common; it just gets normalized a lot.
Cinnamaldehyde is responsible for cinnamon’s healthier properties, and is found in reasonable amounts in both cinnamons. There is about 50% more of it in the regular/cassia than in the sweet/true, but that doesn’t come close to offsetting the potential harm of its higher coumarin content.
Want to learn more?
You may like to read:
- A Tale Of Two Cinnamons ← this one has more of the science of coumarin toxicity, as well as discussing (and evidencing) cinnamaldehyde’s many healthful properties against inflammation, cancer, heart disease, neurodegeneration, etc
Enjoy!
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