Tips for Avoiding PFAs
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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
❝Hi, do you have anything helpful on avoiding PFAs?❞
PFAS, or perfluoroalkyl and polyfluoroalkyl substances, are “forever chemicals” made specifically to avoid degradation of industrial and chemical products. Which is great for providing stain and water resistance, but not so great for our bodies or the environment.
To go into all the harms they cause would take a main feature (maybe we will, one of these days), but suffice it to say, they’re not good, and range from cancer and insulin resistance to hypertension and reduced immune response.
To answer your question in a nutshell, avoiding them completely would be almost impossible, but we can reduce our exposure a lot by avoiding single-use food/drink products that have been waterproofed, e.g. paper/bamboo straws, utensils, cups, dishes, take-out containers, etc.
Also, anything advertised as “stain-resistant” that you suspect should be quite stainable by nature, is probably good to avoid too.
For more detailed information than we have room for here today, here’s a helpful overview:
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Which Diet? Top Diets Ranked By Experts
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A panel of 69 doctors and nutritionists examined the evidence for 38 diets, and scored them in 21 categories (e.g. best for weight loss, best for heart, best against diabetes, etc).
We’ll not keep it a mystery: the Mediterranean diet has been ranked as “best overall” for the 8th year in a row.
The Mediterranean (And Its Close Friends & Relations)
We’ve written before about the Mediterranean diet, here:
The Mediterranean Diet: What Is It Good For? ← What isn’t it good for?
👆 the above article also delineates what does and doesn’t go in a Mediterranean diet—hint, it’s not just any food from the Mediterranean region!
The Mediterranean diet’s strengths come from various factors including its good plant:animal ratio (leaning heavily on the plants), colorful fruit and veg minimally processed, and the fact that olive oil is the main source of fat:
All About Olive Oil ← pretty much one of the healthiest fats we can consume, if not healthiest all-rounder fat
The Mediterranean diet also won 1st place in various more specific categories, including:
- Best against arthritis (followed by Dr. Weil’s Anti-inflammatory, MIND, DASH)
- Best for mental health (followed by MIND, Flexitarian, DASH)
- Best against diabetes (followed by Flexitarian, DASH, MIND)
- best for liver regeneration (followed by Flexitarian, Vegan, DASH, MIND)
- Best for gut heath (followed by Vegan, DASH, Flexitarian, MIND)
If you’re not familiar with DASH and MIND, there are clues in their full names: Dietary Approaches to Stop Hypertension and Mediterranean-DASH Intervention for Neurodegenerative Delay, and as you might well suspect, they are simply tweaked variations of the Mediterranean diet:
Four Ways To Upgrade The Mediterranean ← DASH and MIND are the heart-healthiest and brain-healthiest versions of the Mediterranean; this article also includes a gut-healthiest version and a most anti-inflammatory version
What aren’t those best for?
The Mediterranean diet scored 1st or 2nd in most of the 21 categories, and usually had the other above-named diets keeping it company in the top few.
When it comes to weight loss, the Mediterranean scored 2nd place and wasn’t flanked by its usual friends and relations; instead in first place was commercial diet WeightWatchers (likely helped a lot by being also a peer support group), and in third place was the Volumetrics diet, which we wrote about here:
Some Surprising Truths About Hunger And Satiety
And when it comes to rapid weight loss specifically, the Mediterranean didn’t even feature in the top spots at all, because it’s simply not an extreme diet and it prioritizes health over shedding the pounds at any cost. The top in that category were mostly commercial diets:
- Jenny Craig
- Slimfast
- Keto
- Nutrisystem
- WeightWatchers
We’ve not as yet written about any of those commercial diets, but we have written about keto here:
Ketogenic Diet: Burning Fat Or Burning Out?
Want to know more?
You can click around, exploring by diet or by health category, here 😎
Enjoy!
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Magnesium Glycinate vs Magnesium Citrate – Which is Healthier?
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Our Verdict
When comparing magnesium glycinate to magnesium citrate, we picked the citrate.
Why?
Both are fine sources of magnesium, a nutrient in which it’s very common to be deficient—a lot of people don’t eat many leafy greens, beans, nuts, and so forth that contain it.
A quick word on a third contender we didn’t include here: magnesium oxide is probably the most widely-sold magnesium supplement because it’s cheapest to make. It also has woeful bioavailability, to the point that there seems to be negligible benefit to taking it. So we don’t recommend that.
Magnesium glycinate and magnesium citrate are both absorbed well, but magnesium citrate is the most well-absorbed form of magnesium supplement.
In terms of the relative merits of the glycine or the citric acid (the “other part” of magnesium glycinate and magnesium citrate, respectively), both are also great nutrients, but the amount delivered with the magnesium is quite small in each case, and so there’s nothing here to swing it one way or the other.
For this reason, we went with the magnesium citrate, as the most readily bioavailable!
Want to try them out?
Here they are on Amazon:
Magnesium glycinate | Magnesium citrate
Enjoy!
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MSG vs. Salt: Sodium Comparison
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It’s Q&A Day at 10almonds!
Q: Is MSG healthier than salt in terms of sodium content or is it the same or worse?
Great question, and for that matter, MSG itself is a great topic for another day. But your actual question, we can readily answer here and now:
- Firstly, by “salt” we’re assuming from context that you mean sodium chloride.
- Both salt and MSG do contain sodium. However…
- MSG contains only about a third of the sodium that salt does, gram-for-gram.
- It’s still wise to be mindful of it, though. Same with sodium in other ingredients!
- Baking soda contains about twice as much sodium, gram for gram, as MSG.
Wondering why this happens?
Salt (sodium chloride, NaCl) is equal parts sodium and chlorine, by atom count, but sodium’s atomic mass is lower than chlorine’s, so 100g of salt contains only 39.34g of sodium.
Baking soda (sodium bicarbonate, NaHCO₃) is one part sodium for one part hydrogen, one part carbon, and three parts oxygen. Taking each of their diverse atomic masses into account, we see that 100g of baking soda contains 27.4g sodium.
MSG (monosodium glutamate, C₅H₈NO₄Na) is only one part sodium for 5 parts carbon, 8 parts hydrogen, 1 part nitrogen, and 4 parts oxygen… And all those other atoms put together weigh a lot (comparatively), so 100g of MSG contains only 12.28g sodium.
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Pregnant women can now get a free RSV shot. What other vaccines do you need when you’re expecting?
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From today, February 3, pregnant women in Australia will be eligible for a free RSV vaccine under the National Immunisation Program.
This vaccine is designed to protect young infants from severe RSV (respiratory syncytial virus). It does so by generating the production of antibodies against RSV in the mother, which then travel across the placenta to the baby.
While the RSV vaccine is a new addition to the National Immunisation Program, it’s one of three vaccines provided free for pregnant women under the program, alongside ones for influenza and whooping cough. Each offers important protection for newborn babies.
voronaman/Shutterstock The RSV vaccine
RSV is the most common cause of lower respiratory infections (bronchiolitis and pneumonia) in infants. It’s estimated that of every 100 infants born in Australia each year, at least two will be hospitalised with RSV by six months of age.
RSV infection is most common roughly between March and August in the southern hemisphere, but infection can occur year-round, especially in tropical areas.
The vaccine works by conferring passive immunity (from the mother) as opposed to active immunity (the baby’s own immune response). By the time the baby is born, their antibodies are sufficient to protect them during the first months of life when they are most vulnerable to severe RSV disease.
The RSV vaccine registered for use in pregnant women in Australia, Abrysvo, has been used since 2023 in the Americas and Europe. Real-world experience there shows it’s working well.
For example, over the 2024 RSV season in Argentina, it was found to prevent 72.7% of lower respiratory tract infections caused by RSV and requiring hospitalisation in infants aged 0–3 months, and 68% among those aged 0–6 months. This research noted three deaths from RSV, all in infants whose mothers did not receive the RSV vaccine during pregnancy.
This was similar to protection seen in a large multinational clinical trial that compared babies born to mothers who received this RSV vaccine with babies born to mothers who received a placebo. This study found the vaccine prevented 82.4% of severe cases of RSV in infants aged under three months, and 70% under six months, and that the vaccine was safe.
Vaccinating mothers during pregnancy protects the newborn baby. StoryTime Studio/Shutterstock In addition to the maternal vaccine, nirsevimab, a long-acting monoclonal antibody, provides effective protection against severe RSV disease. It’s delivered to the baby by an intramuscular injection, usually in the thigh.
Nirsevimab is recommended for babies born to women who did not receive an RSV vaccine during pregnancy, or who are born within two weeks of their mother having received the shot (most likely if they’re born prematurely). It may also be recommended for babies who are at higher risk of RSV due to a medical condition, even if their mother was vaccinated.
Nirsevimab is not funded under the National Immunisation Program, but is covered under various state and territory-based programs for infants of mothers who fall into the above categories.
But now we have a safe and effective RSV vaccine for pregnancy, all pregnant women should be encouraged to receive it as the first line of prevention. This will maximise the number of babies protected during their first months of life.
Flu and whooping cough
It’s also important pregnant women continue to receive flu and whooping cough vaccines in 2025. Like the RSV vaccine, these protect infants by passing antibodies from mother to baby.
There has been a large whooping cough outbreak in Australia in recent months, including a death of a two-month-old infant in Queensland in November 2024.
The whooping cough vaccine, given in combination with diphtheria and tetanus, prevents more than 90% of whooping cough cases in babies too young to receive their first whooping cough vaccine dose.
Similarly, influenza can be deadly in young babies, and maternal flu vaccination substantially reduces hospital visits associated with influenza for babies under six months. Flu can also be serious for pregnant women, so the vaccine offers important protection for the mother as well.
COVID vaccines are safe in pregnancy, but unless a woman is otherwise eligible, they’re not routinely recommended. You can discuss this with your health-care provider.
When and where can you get vaccinated?
Pregnant women can receive these vaccines during antenatal visits through their GP or in a specialised antenatal clinic.
The flu vaccine is recommended at any time during pregnancy, the whooping cough vaccine from 20 weeks (ideally before 32 weeks), and the RSV vaccine from 28 weeks (before 36 weeks).
It’s safe to receive multiple vaccinations at the same clinic visit.
The RSV vaccine is now available for pregnant women under the National Immunisation Program. Olga Rolenko/Shutterstock We know vaccination rates have declined in a variety of groups since the pandemic, and there’s evidence emerging that suggests this trend has occurred in pregnant women too.
A recent preprint (a study yet to be peer-reviewed) found a decrease of nearly ten percentage points in flu vaccine coverage among pregnant women in New South Wales, from 58.8% in 2020 to 49.1% in 2022. The research showed a smaller drop of 1.4 percentage points for whooping cough, from 79% in 2020 to 77.6% in 2022.
It’s important to work to improve vaccination rates during pregnancy to give babies the best protection in their first months of life.
We know pregnant women would like to receive information about new and routine maternal vaccines early in pregnancy. In particular, many pregnant women want to understand how vaccines are tested for safety, and their effectiveness, which was evident during COVID.
GPs and midwives are trusted sources of information on vaccines in pregnancy. There’s also information available online on Sharing Knowledge About Immunisation, a collaboration led by the National Centre for Immunisation Research and Surveillance.
Archana Koirala, Paediatrician and Infectious Diseases Specialist, University of Sydney; Bianca Middleton, Senior Research Fellow, Menzies School of Health Research; Margie Danchin, Professor of Paediatrics and vaccinologist, Royal Childrens Hospital, University of Melbourne and Murdoch Childrens Research Institute (MCRI); Associate Dean International, University of Melbourne, Murdoch Children’s Research Institute; Peter McIntyre, Professor in Women’s and Children’s Health, University of Otago, and Rebecca Doyle, Adjunct Research Fellow, School of Nursing, Midwifery and Social Work, The University of Queensland
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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The Unchaste Berry
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A Chasteberry, By Any Other Name…
Vitex agnus castus, literally “chaste lamb vine”, hence its modern common English name “chasteberry”, gets its name from its traditional use as an anaphrodisiac for monks (indeed, it’s also called “monk’s pepper”), which traditional use is not in the slightest backed up by modern science.
Nor is its second most popular traditional use (the increase in production of milk) well-supported by science either:
❝Its traditional use as a galactagogue (i.e., a substance that enhances breast milk production) is not well supported in the literature and should be discouraged. There are no clinical data to support the use of chasteberry for reducing sexual desire, which has been a traditional application❞
Source: American Family Physician | Chasteberry
Both of those supposed effects of the chasteberry go against the fact that it has a prolactin-lowering effect:
❝It appears that [chasteberry] may represent a potentially useful and safe phytotherapic option for the management of selected patients with mild hyperprolactinaemia who wish to be treated with phytotherapy.❞
Source: Vitex agnus castus effects on hyperprolactinaemia
Prolactin, by the way, is the hormone that (as the name suggests) stimulates milk production, and also reduces sexual desire (and motivation in general)
- In most women, it spikes during breastfeeding
- In most men, it spikes after orgasm
- In both, it can promote anhedonic depression, as it antagonizes dopamine
In other words, the actual pharmacological effect of chasteberry, when it comes to prolactin, is the opposite of what we would expect from its traditional use.
Ok, so it’s an unchaste berry after all…. Does it have any other claims to examine?
Yes! It genuinely does help relieve PMS, for those who have it, and reduce menopause symptoms, for those who have those, for example:
❝Dry extract of agnus castus fruit is an effective and well tolerated treatment for the relief of symptoms of the premenstrual syndrome.❞
❝That [Vitex agnus castus] trial indicated strong symptomatic relief of common menopausal symptoms❞
Source: Vitex agnus castus essential oil and menopausal balance: a research update
Is it safe?
Generally speaking, yes. It has been described as “well-tolerated” in the studies we mentioned above, which means it has a good safety profile.
However, it may interfere with some antipsychotic medications, certain kinds of hormone replacement therapy, or hormonal birth control.
As ever, speak with your doctor/pharmacist if unsure!
Where can I get some?
We don’t sell it, but here for your convenience is an example product on Amazon
Enjoy!
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Heart Rate Zones, Oxalates, & More
10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.
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 think the heart may be an issue for lots of us. I know it is for me due to AFib. When I’m in my training zone like on a treadmill, I’m usually around 110 to 120. But there are occasionally times when I’m at 140 or 150. How dangerous is that? If I use that formula of 180 minus age, thats 103. I get nothing from that. My resting heart rate is in the 50 to 60 range.❞
First, for safety, let us draw attention to our medical disclaimer at the bottom of each email, and also specifically note that we are not cardiologists here, let alone your cardiologist. There’s a lot we can’t know or advise about. However, as general rules of thumb:
For people without serious health conditions, it is considered good and healthful for one’s heart rate to double (from its resting rate) during exercise, with even more than 2.5x resting rate being nothing more than a good cardio workout.
As for “180 minus age” (presuming you mean: to calculate the safe maximum heart rate), more common (and used by the American Heart Association) is 220 minus age. In your case, that’d give 143.
Having atrial fibrillation may change this however, and we can’t offer medical advice.
We can point to this AHA “AFib Resources For Patients and Professionals”, including this handy FAQ sheet which says:
“Am I able to exercise?” / “Yes, as long as you’re cleared by your doctor, you can perform normal activities of daily living that you can tolerate” (accompanied by a little graphic of a person using an exercise bike)
You personally probably know this already, of course, but it’s quite an extensive collection of resources, so we thought we’d include it.
It’s certainly a good idea for everyone to be aware of their healthy heart rate ranges, regardless of having a known heart condition or not, though!
American Heart Association: Target Heart Rates Chart
❝I would like to see some articles on osteoporosis❞
You might enjoy this mythbusting main feature we did a few weeks ago!
The Bare-Bones Truth About Osteoporosis
❝Interesting, but… Did you know spinach is high in oxylates? Some people are sensitive and can cause increased inflammation, joint pain or even kidney stones. Moderation is key. My sister and I like to eat healthy but found out by experience that too much spinach salad caused us joint and other aches.❞
It’s certainly good to be mindful of such things! For most people, a daily serving of spinach shouldn’t cause ill effects, and certainly there are other greens to eat.
We wondered whether there was a way to reduce the oxalate content, and we found:
How to Reduce Oxalic Acid in Spinach: Neutralizing Oxalates
…which led us this product on Amazon:
Nephure Oxalate Reducing Enzyme, Low Oxalate Diet Support
We wondered what “nephure” was, and whether it could be trusted, and came across this “Supplement Police” article about it:
Nephure Review – Oxalate Reducing Enzyme Powder Health Benefits?
…which honestly, seems to have been written as a paid advertisement. But! It did reference a study, which we were able to look up, and find:
In vitro and in vivo safety evaluation of Nephure™
…which seems to indicate that it was safe (for rats) in all the ways that they checked. They did not, however, check whether it actually reduced oxalate content in spinach or any other food.
The authors did declare a conflict of interest, in that they had a financial relationship with the sponsor of the study, Captozyme Inc.
All in all, it may be better to just have kale instead of spinach:
- 20 Foods High in Oxalates to Limit if You Have Kidney Stones
- The Kidney Dietician: The Best Low Oxalate Greens
We turn the tables and ask you a question!
We’ll then talk about this tomorrow:
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