Is still water better for you than sparkling water?
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Still or sparkling? It’s a question you’ll commonly hear in a café or restaurant and you probably have a preference. But is there any difference for your health?
If you love the fizz, here’s why you don’t have to pass on the sparkling water.
What makes my water sparkle?
This article specifically focuses on comparing still filtered water to carbonated filtered water (called “sparkling water” or “unflavoured seltzer”). Soda water, mineral water, tonic water and flavoured water are similar, but not the same product.
The bubbles in sparkling water are created by adding carbon dioxide to filtered water. It reacts to produce carbonic acid, which makes sparkling water more acidic (a pH of about 3.5) than still (closer to neutral, with a pH around 6.5-8.5).
Which drink is healthiest?
Water is the best way to hydrate our bodies. Research shows when it comes to hydration, still and sparkling water are equally effective.
Some people believe water is healthier when it comes from a sealed bottle. But in Australia, tap water is monitored very carefully. Unlike bottled water, it also has the added benefit of fluoride, which can help protect young children against tooth decay and cavities.
Sparkling or still water is always better than artificially sweetened flavoured drinks or juices.
Isn’t soda water bad for my teeth and bones?
There’s no evidence sparkling water damages your bones. While drinking a lot of soft drinks is linked to increased fractures, this is largely due to their association with higher rates of obesity.
Sparkling water is more acidic than still water, and acidity can soften the teeth’s enamel. Usually this is not something to be too worried about, unless it is mixed with sugar or citrus, which has much higher levels of acidity and can harm teeth.
However, if you grind your teeth often, the softening could enhance the damage it causes. If you’re undertaking a home whitening process, sparkling water might discolour your teeth.
In most other cases, it would take a lot of sparkling water to pass by the teeth, for a long period of time, to cause any noticeable damage.
How does drinking water affect digestion?
There is a misconception drinking water (of any kind) with a meal is bad for digestion.
While theoretically water could dilute stomach acid (which breaks down food), the practice of drinking it doesn’t appear to have any negative effect. Your digestive system simply adapts to the consistency of the meal.
Some people do find that carbonated beverages cause some stomach upset. This is due to the build-up of gases, which can cause bloating, cramping and discomfort. For people with an overactive bladder, the acidity might also aggravate the urinary system.
Interestingly, the fizzy “buzz” you feel in your mouth from sparkling water fades the more you drink it.
Is cold water harder to digest?
You’ve chosen still or sparkling water. What about its temperature?
There are surprisingly few studies about the effect of drinking cold water compared to room temperature. There is some evidence colder water (at two degrees Celsius) might inhibit gastric contractions and slow down digestion. Ice water may constrict blood vessels and cause cramping.
However other research suggests drinking cold water might temporarily boost metabolism, as the body needs to expend energy to warm it up to body temperature. This effect is minimal and unlikely to lead to significant weight loss.
Which water wins?
The bottom line is water is essential, hydrates us and has countless other health benefits. Water, with carbonated bubbles or without, will always be the healthiest drink to choose.
And if you’re concerned about any impact to teeth enamel, one trick is to follow sparkling water with a glass of still. This helps rinse the teeth and return your mouth’s acidity back to normal.
Christian Moro, Associate Professor of Science & Medicine, Bond University and Charlotte Phelps, Senior Teaching Fellow, Medical Program, Bond University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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‘Sleep tourism’ promises the trip of your dreams. Beyond the hype plus 5 tips for a holiday at home
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Imagine arriving at your hotel after a long flight and being greeted by your own personal sleep butler. They present you with a pillow menu and invite you to a sleep meditation session later that day.
You unpack in a room kitted with an AI-powered smart bed, blackout shades, blue light-blocking glasses and weighted blankets.
Holidays are traditionally for activities or sightseeing – eating Parisian pastry under the Eiffel tower, ice skating at New York City’s Rockefeller Centre, lying by the pool in Bali or sipping limoncello in Sicily. But “sleep tourism” offers vacations for the sole purpose of getting good sleep.
The emerging trend extends out of the global wellness tourism industry – reportedly worth more than US$800 billion globally (A$1.2 trillion) and expected to boom.
Luxurious sleep retreats and sleep suites at hotels are popping up all over the world for tourists to get some much-needed rest, relaxation and recovery. But do you really need to leave home for some shuteye?
RossHelen/Shutterstock Not getting enough
The rise of sleep tourism may be a sign of just how chronically sleep deprived we all are.
In Australia more than one-third of adults are not achieving the recommended 7–9 hours of sleep per night, and the estimated cost of this inadequate sleep is A$45 billion each year.
Inadequate sleep is linked to long-term health problems including poor mental health, heart disease, metabolic disease and deaths from any cause.
Can a fancy hotel give you a better sleep?
Many of the sleep services available in the sleep tourism industry aim to optimise the bedroom for sleep. This is a core component of sleep hygiene – a series of healthy sleep practices that facilitate good sleep including sleeping in a comfortable bedroom with a good mattress and pillow, sleeping in a quiet environment and relaxing before bed.
The more people follow sleep hygiene practices, the better their sleep quality and quantity.
When we are staying in a hotel we are also likely away from any stressors we encounter in everyday life (such as work pressure or caring responsibilities). And we’re away from potential nighttime disruptions to sleep we might experience at home (the construction work next door, restless pets, unsettled children). So regardless of the sleep features hotels offer, it is likely we will experience improved sleep when we are away.
Being away from home also means being away from domestic disruptions. Makistock/Shutterstock What the science says about catching up on sleep
In the short-term, we can catch up on sleep. This can happen, for example, after a short night of sleep when our brain accumulates “sleep pressure”. This term describes how strong the biological drive for sleep is. More sleep pressure makes it easier to sleep the next night and to sleep for longer.
But while a longer sleep the next night can relieve the sleep pressure, it does not reverse the effects of the short sleep on our brain and body. Every night’s sleep is important for our body to recover and for our brain to process the events of that day. Spending a holiday “catching up” on sleep could help you feel more rested, but it is not a substitute for prioritising regular healthy sleep at home.
All good things, including holidays, must come to an end. Unfortunately the perks of sleep tourism may end too.
Our bodies do not like variability in the time of day that we sleep. The most common example of this is called “social jet lag”, where weekday sleep (getting up early to get to work or school) is vastly different to weekend sleep (late nights and sleep ins). This can result in a sleepy, grouchy start to the week on Monday. Sleep tourism may be similar, if you do not come back home with the intention to prioritise sleep.
So we should be mindful that as well as sleeping well on holiday, it is important to optimise conditions at home to get consistent, adequate sleep every night.
Good sleep hygiene doesn’t require a passport. Maridav/Shutterstock 5 tips for having a sleep holiday at home
An AI-powered mattress and a sleep butler at home might be the dream. But these features are not the only way we can optimise our sleep environment and give ourselves the best chance to get a good night’s sleep. Here are five ideas to start the night right:
1. avoid bright artificial light in the evening (such as bright overhead lights, phones, laptops)
2. make your bed as comfortable as possible with fresh pillows and a supportive mattress
3. use black-out window coverings and maintain a cool room temperature for the ideal sleeping environment
4. establish an evening wind-down routine, such as a warm shower and reading a book before bed or even a “sleepy girl mocktail”
5. use consistency as the key to a good sleep routine. Aim for a similar bedtime and wake time – even on weekends.
Charlotte Gupta, Senior postdoctoral research fellow, Appleton Institute, HealthWise research group, CQUniversity Australia and Dean J. Miller, Adjunct Research Fellow, Appleton Institute of Behavioural Science, CQUniversity Australia
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Daily, Weekly, Monthly: Habits Against Aging
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Dr. Anil Rajani has advice on restoring/retaining youthfulness. Two out of three of the sections are on skincare specifically, which may seem a vanity, but it’s also worth remembering that our skin is a very large and significant organ, and makes a big difference for the rest of our physical health, as well as our mental health. So, it’s worthwhile to look after it:
The recommendations
Daily: meditation practice
Meditation reduces stress, which reduction in turn protects telomere length, slowing the overall aging process in every living cell of the body.
Weekly: skincare basics
Dr. Rajani recommends a combination of retinol and glycolic acid. The former to accelerate cell turnover, stimulate collagen production, and reduce wrinkles; the latter, to exfoliate dead cells, allowing the retinol to do its job more effectively.
We at 10almonds would like to add: wearing sunscreen with SPF50 is a very good thing to do on any day that your phone’s weather app says the UV index is “moderate” or higher.
Monthly: skincare extras
Here are the real luxuries; spa visits, microneedling (stimulates collagen production), and non-ablative laser therapy. He recommends creating a home spa if possible for monthly skincare treatments, investing in high-quality devices for long-term benefits.
For more on all of these things, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
- Age & Aging: What Can (And Can’t) We Do About It?
- No-Frills, Evidence-Based Mindfulness
- The Evidence-Based Skincare That Beats Product-Specific Hype
Take care!
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100 Things Productive People Do – by Nigel Cumberland
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This is a book of a hundred small chapters (the book is 396 pages, so 2–3 pages per chapter) which makes for a feeling of quick reading, and definitely gives an option of “light bites”, dipping into the book here and there.
Cumberland offers a wide range of practical wisdom here, and while the book is (per the title) focused on productivity, it also includes all due weight to not burning out and/or breaking down. Because things productive people do does not, it turns out, include working themselves directly into an early grave.
But—despite the author’s considerable and obvious starting point of social privilege—nor is this a tome of “offer your genius leadership and otherwise just coast while everyone does your work for you”, either. This is a “brass tacks” book and highly relatable whether your to-do list most prominently features “personally manage the merger of these Fortune 500 companies” or “sort out that junk in the spare room”
Bottom line: we’d be surprised if this book with 100 pieces of advice failed to bring you enough value to more than pay for itself!
Pick up your copy of 100 Things Productive People Do from Amazon today!
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Nanotechnology vs Alcohol Damage!
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One Thing That Does Pair Well With Alcohol…
Alcohol is not a healthy thing to consume. That shouldn’t be a controversial statement, but there is a popular belief that it can be good for the heart:
Red Wine & The Heart: Can We Drink To Good Health?
The above is an interesting and well-balanced article that examines the arguments for health benefits (including indirectly, e.g. social aspects).
Ultimately, though, as the World Health Organization puts it:
WHO: No level of alcohol consumption is safe for our health
There is some good news:
We can somewhat reduce the harm done by alcohol by altering our habits slightly:
How To Make Drinking Less Harmful
…and we can also, of course, reduce our alcohol consumption (ideally to zero, but any reduction is an improvement already):
And, saving the best news (in this section, anyway) for last, it is almost always possible to undo the harm done specifically to one’s liver:
Nanotechnology to the rescue?
Remember when we had a main feature about how colloidal gold basically does nothing by itself (and that that’s precisely why gold is used in medicine, when it is used)?
Now it has an extra bit of nothing to do, for our benefit (if we drink alcohol, anyway), as part of a gel that detoxifies alcohol before it can get to our liver:
Gold is one of the “ingredients” in a gel containing a nanotechnology lattice of protein fibrils coated with iron (and the gold is there as an inert catalyst, which is chemistry’s way of saying it doesn’t react in any way but it does cheer the actual reagents on). There’s more chemistry going on than we have room to discuss in our little newsletter, so if you like the full details, you can read about that here:
Single-site iron-anchored amyloid hydrogels as catalytic platforms for alcohol detoxification
The short and oversimplified explanation is that instead of alcohol being absorbed from the gut and transported via the bloodstream to the liver, where it is metabolized (poisoning the liver as it goes, and poisoning the rest of the body too, including the brain), the alcohol is degraded while it is still in the gastrointestinal tract, converted by the gel’s lattice into acetic acid (which is at worst harmless, and actually in moderation a good thing to have).
Even shorter and even more oversimplified: the gel turns the alcohol into vinegar in the stomach and gut, before it can get absorbed into the blood.
But…
Of course there’s a “but”…
There are some limitations:
It doesn’t get it all (tests so far found it only gets about half of the alcohol), and so far it’s only been tested on mice, so it’s not on the market yet—while the researchers are sufficiently confident about it that a patent application has now been made, though, so it’ll probably show up on the market in the near future.
You can read a pop-science article about it (with diagrams!) here:
New gel breaks down alcohol in the body
Want to read more…
…about how to protect your organs (including your brain) from alcohol completely?
We’ve reviewed quite a number of books about quitting alcohol, so it’s hard to narrow it down to a single favorite, but after some deliberation, we’ll finish today with recommending:
Quit Drinking – by Rebecca Dolton ← you can read our review here
Take care!
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How To Keep Warm (Without Sweat Patches!)
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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 saw an advert on the subway for a pillow spray that guarantees a perfect night’s sleep. What does the science say about smells/sleep?❞
That is certainly a bold claim! Unless it’s contingent, e.g. “…or your money back”. Because otherwise, it absolutely cannot guarantee that.
There is some merit:
❝Odors can modulate the latency to sleep onset, as well as the quality and duration of sleep. Olfactory modulation of sleep may be mediated by direct synaptic interaction between the olfactory system and sleep control nuclei, and/or indirectly through odor modulation of arousal and respiration.
Such modulation appears most heavily influenced by past associations and expectations about the odor, beyond any potential direct physicochemical effect❞
Source: Reciprocal relationships between sleep and smell
Translating that from sciencese:
Sometimes we find pleasant smells relaxing, and placebo effect also helps.
That “any potential direct physiochemical effect”, though, when it does occur, is things like this…
Read: Odor blocking of stress hormone responses
…but that’s a mouse study, and those odors may only work to block three specific mouse stress responses to three specific stressors: physical restraint, predator odor, and male–male confrontation.
In other words: if, perchance, those three things are not what’s stressing you in bed at night (we won’t make assumptions), and/or you are not a mouse, it may not help.
(and this, dear readers, is why we must read articles, and not just headlines!)
But! If you are going to go for a pillow fragrance, something well-associated with being relaxing and soporific, such as lavender, is the way to go:
- Effects of aromatherapy on sleep quality and anxiety of patients
- Effects of Aromatherapy on the Anxiety, Vital Signs, and Sleep Quality of Percutaneous Coronary Intervention Patients in Intensive Care Units
- Effect of lavender aromatherapy on vital signs and perceived quality of sleep in the intermediate care unit: a pilot study
tl;dr = patients found lavender fragrances relaxing, experienced less anxiety, got better sleep (significantly or insignificantly, depending on the study) and enjoyed lower blood pressure (significantly or insignificantly, depending on the study).
PS: this writer uses a pillow spray like this one
Enjoy!
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Sauerkraut vs Pickled Cucumber – Which is Healthier?
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Our Verdict
When comparing sauerkraut to pickled cucumber, we picked the sauerkraut.
Why?
Both of these fermented foods can give a gut-healthy microbiome boost, but how do they stack up otherwise?
In terms of macros, sauerkraut has more protein, carbs, and fiber. They are both low glycemic index foods, so we’ll go with the one that has more fiber out of the two, and that’s the ‘kraut.
In the category of vitamins, sauerkraut has more of vitamins B1, B2, B3, B5, B6, B7, B9, C, E, and choline, while pickled cucumbers have more of vitamins A and K. An easy win for sauerkraut.
When it comes to minerals, sauerkraut has more calcium, copper, iron, magnesium, manganese, phosphorus, potassium, selenium, and zinc, while pickled cucumbers are not higher in any mineral, except sodium (on average, pickled cucumbers have about 2x the sodium of sauerkraut). Another clear win for sauerkraut.
In short, enjoy either or both in moderation, but it’s clear which boasts the most nutritional benefits, and that’s the sauerkraut!
Want to learn more?
You might like to read:
Make Friends With Your Gut (You Can Thank Us Later)
Take care!
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