An Elegant Defense – by Matt Richtel
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In a way, Richtel got the best and worst of the publication date lottery. This book, which he’d obviously been working on for however long, was published in March 2020. Yes, that March 2020. So, it obviously got a huge boost in sales that launced it to bestseller status, and/but it doesn’t actually discuss COVID at all.
What it does discuss, is—as one might expect—the immune system. Or really, the immune systems, plural, several systems working alongside each other. How we got to have such, how our immune functions work, where all the various immune cells come from and what part they play. What pathogens can do to fight and/or confuse (or even co-opt) our immune response, and what modern medicine can do to counteract the pathogens’ anti-countermeasure countermeasures. And how it can still go wrong.
The “Four Lives” promised in the subtitle are stories, and Richtel explains the immune system through specific people’s specific battles. In particular, a friend of his who had quite a remarkable battle against cancer, which was of course terrible for him, but illustrative for us.
The style of the book is very readably journalistic. The author is a Pulitzer-winning NYT journalist, and not normally a science writer. Here at 10almonds, “we like big bibliographies and we cannot lie”, and we didn’t get to enjoy that in this case. The book contained no bibliography (nor appropriate inline citations, nor equivalent footnotes). Maybe a future addition will include this.
Bottom line: there’s a lot of “science for the lay reader” here. While the lack of references is a big oversight, the book does give a very good overview of what both sides (immune response and pathogenic invasion) bring to the battle of your body.
Click here to check out Elegant Defense, and demystify immunology!
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The Subtle Art of Not Giving a F*ck – by Mark Manson
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You may wonder from the title: is this book arguing that we should all be callous heartless monsters? And no, it is not.
Instead, author Mark Manson advocates for cynicism, but less in the manner of Scrooge, and more in the manner of Diogenes:
- That life will involve struggle, so we might as well at least choose our struggles.
- That we will make mistakes, so we might as well accept them as learning experiences.
- That we will love and we will lose, so we might as well do it right while we can.
In short, the book is less about not caring… And more about caring about the right things only.
So, what are “the right things”? Manson bids us decide for ourselves, but certainly has ideas and pointers, with regard to what may or may not be healthy values to pursue.
The style throughout is casual and almost conversational, without being overly padded. It makes for very easy reading.
If the book has a weak point, it’s that when it briefly makes a suprisingly prescriptive turn into recommending we take up Buddhism, it may feel a bit like our friend who wants us to join in the latest MLM scheme. But, he’s soon back on track.
Bottom line: if you ever find yourself stressed with living up to unwanted expectations—your own, other people’s, and society’s—this book can really help streamline things.
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Women want to see the same health provider during pregnancy, birth and beyond
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Hazel Keedle, Western Sydney University and Hannah Dahlen, Western Sydney University
In theory, pregnant women in Australia can choose the type of health provider they see during pregnancy, labour and after they give birth. But this is often dependent on where you live and how much you can afford in out-of-pocket costs.
While standard public hospital care is the most common in Australia, accounting for 40.9% of births, the other main options are:
- GP shared care, where the woman sees her GP for some appointments (15% of births)
- midwifery continuity of care in the public system, often called midwifery group practice or caseload care, where the woman sees the same midwife of team of midwives (14%)
- private obstetrician care (10.6%)
- private midwifery care (1.9%).
Given the choice, which model would women prefer?
Our new research, published BMC Pregnancy and Childbirth, found women favoured seeing the same health provider throughout pregnancy, in labour and after they have their baby – whether that’s via midwifery group practice, a private midwife or a private obstetrician.
Assessing strengths and limitations
We surveyed 8,804 Australian women for the Birth Experience Study (BESt) and 2,909 provided additional comments about their model of maternity care. The respondents were representative of state and territory population breakdowns, however fewer respondents were First Nations or from culturally or linguistically diverse backgrounds.
We analysed these comments in six categories – standard maternity care, high-risk maternity care, GP shared care, midwifery group practice, private obstetric care and private midwifery care – based on the perceived strengths and limitations for each model of care.
Overall, we found models of care that were fragmented and didn’t provide continuity through the pregnancy, birth and postnatal period (standard care, high risk care and GP shared care) were more likely to be described negatively, with more comments about limitations than strengths.
What women thought of standard maternity care in hospitals
Women who experienced standard maternity care, where they saw many different health care providers, were disappointed about having to retell their story at every appointment and said they would have preferred continuity of midwifery care.
Positive comments about this model of care were often about a midwife or doctor who went above and beyond and gave extra care within the constraints of a fragmented system.
The model of care with the highest number of comments about limitations was high-risk maternity care. For women with pregnancy complications who have their baby in the public system, this means seeing different doctors on different days.
Some respondents received conflicting advice from different doctors, and said the focus was on their complications instead of their pregnancy journey. One woman in high-risk care noted:
The experience was very impersonal, their focus was my cervix, not preparing me for birth.
Why women favoured continuity of care
Overall, there were more positive comments about models of care that provided continuity of care: private midwifery care, private obstetric care and midwifery group practice in public hospitals.
Women recognised the benefits of continuity and how this included informed decision-making and supported their choices.
The model of care with the highest number of positive comments was care from a privately practising midwife. Women felt they received the “gold standard of maternity care” when they had this model. One woman described her care as:
Extremely personable! Home visits were like having tea with a friend but very professional. Her knowledge and empathy made me feel safe and protected. She respected all of my decisions. She reminded me often that I didn’t need her help when it came to birthing my child, but she was there if I wanted it (or did need it).
However, this is a private model of care and women need to pay for it. So there are barriers in accessing this model of care due to the cost and the small numbers working in Australia, particularly in regional, rural and remote areas, among other barriers.
Women who had private obstetricians were also positive about their care, especially among women with medical or pregnancy complications – this type of care had the second-highest number of positive comments.
This was followed by women who had continuity of care from midwives in the public system, which was described as respectful and supportive.
However, one of the limitations about continuity models of care is when the woman doesn’t feel connected to her midwife or doctor. Some women who experienced this wished they had the opportunity to choose a different midwife or doctor.
What about shared care with a GP?
While shared care between the GP and hospital model of care is widely promoted in the public maternity care system as providing continuity, it had a similar number of negative comments to those who had fragmented standard hospital care.
Considering there is strong evidence about the benefits of midwifery continuity of care, and this model of care appears to be most acceptable to women, it’s time to expand access so all Australian women can access continuity of care, regardless of their location or ability to pay.
Hazel Keedle, Senior Lecturer of Midwifery, Western Sydney University and Hannah Dahlen, Professor of Midwifery, Associate Dean Research and HDR, Midwifery Discipline Leader, Western Sydney University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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No, beetroot isn’t vegetable Viagra. But here’s what else it can do
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Beetroot has been in the news for all the wrong reasons. Supply issues in recent months have seen a shortage of tinned beetroot on Australian supermarket shelves. At one point, a tin was reportedly selling on eBay for more than A$65.
But as supplies increase, we turn our attention to beetroot’s apparent health benefits.
Is beetroot really vegetable Viagra, as UK TV doctor Michael Mosley suggests? What about beetroot’s other apparent health benefits – from reducing your blood pressure to improving your daily workout? Here’s what the science says.
What’s so special about beetroot?
Beetroot – alongside foods such as berries, nuts and leafy greens – is a “superfood”. It contains above-average levels per gram of certain vitamins and minerals.
Beetroot is particularly rich in vitamin B and C, minerals, fibre and antioxidants.
Most cooking methods don’t significantly alter its antioxidant levels. Pressure cooking does, however, lower levels of carotenoid (a type of antioxidant) compared to raw beetroot.
Processing into capsules, powders, chips or juice may affect beetroot’s ability to act as an antioxidant. However, this can vary between products, including between different brands of beetroot juice.
Is beetroot really vegetable Viagra?
The Romans are said to have used beetroot and its juice as an aphrodisiac.
But there’s limited scientific evidence to say beetroot improves your sex life. This does not mean it doesn’t. Rather, the vast number of scientific studies looking at the effect of beetroot have not measured libido or other aspects of sexual health.
How could it work?
When we eat beetroot, chemical reactions involving bacteria and enzymes transform the nitrate in beetroot into nitrite, then to nitric oxide. Nitric oxide helps dilate (widen) blood vessels, potentially improving circulation.
The richest sources of dietary nitric oxide that have been tested in clinical studies are beetroot, rocket and spinach.
Nitric oxide is also thought to support testosterone in its role in controlling blood flow before and during sex in men.
Beetroot’s ability to improve blood flow can benefit the circulatory system of the heart and blood vessels. This may positively impact sexual function, theoretically in men and women.
Therefore, it is reasonable to suggest there could be a modest link between beetroot and preparedness for sex, but don’t expect it to transform your sex life.
What else could it do?
Beetroot has received increasing attention over recent years due to its antioxidant and anti-tumour effect in humans.
Clinical trials have not verified all beetroot’s active ingredients and their effects. However, beetroot may be a potentially helpful treatment for various health issues related to oxidative stress and inflammation, such as cancer and diabetes. The idea is that you can take beetroot supplements or eat extra beetroot alongside your regular medicines (rather than replace them).
There is evidence beetroot juice can help lower systolic blood pressure (the first number in your blood pressure reading) by 2.73-4.81 mmHg (millimetres of mercury, the standard unit of measuring blood pressure) in people with high blood pressure. Some researchers say this reduction is comparable to the effects seen with certain medications and dietary interventions.
Other research finds even people without high blood pressure (but at risk of it) could benefit.
Beetroot may also improve athletic performance. Some studies show small benefits for endurance athletes (who run, swim or cycle long distances). These studies looked at various forms of the food, such as beetroot juice as well as beetroot-based supplements.
How to get more beetroot in your diet
There is scientific evidence to support positive impacts of consuming beetroot in whole, juice and supplement forms. So even if you can’t get hold of tinned beetroot, there are plenty of other ways you can get more beetroot into your diet. You can try:
- raw beetroot – grate raw beetroot and add it to salads or coleslaw, or slice beetroot to use as a crunchy topping for sandwiches or wraps
- cooked beetroot – roast beetroot with olive oil, salt and pepper for a flavour packed side dish. Alternatively, steam beetroot and serve it as a standalone dish or mixed into other dishes
- beetroot juice – make fresh beetroot juice using a juicer. You can combine it with other fruits and vegetables for added flavour. You can also blend raw or cooked beetroot with water and strain to make a juice
- smoothies – add beetroot to your favourite smoothie. It pairs well with fruits such as berries, apples and oranges
- soups – use beetroot in soups for both flavour and colour. Borscht is a classic beetroot soup, but you can also experiment with other recipes
- pickled beetroot – make pickled beetroot at home, or buy it from the supermarket. This can be a tasty addition to salads or sandwiches
- beetroot hummus – blend cooked beetroot into your homemade hummus for a vibrant and nutritious dip. You can also buy beetroot hummus from the supermarket
- grilled beetroot – slice beetroot and grill it for a smoky flavour
- beetroot chips – slice raw beetroot thinly, toss the slices with olive oil and your favourite seasonings, then bake or dehydrate them to make crispy beetroot chips
- cakes and baked goods – add grated beetroot to muffins, cakes, or brownies for a moist and colourful twist.
Are there any downsides?
Compared to the large number of studies on the beneficial effects of beetroot, there is very little evidence of negative side effects.
If you eat large amounts of beetroot, your urine may turn red or purple (called beeturia). But this is generally harmless.
There have been reports in some countries of beetroot-based dietary supplements contaminated with harmful substances, yet we have not seen this reported in Australia.
What’s the take-home message?
Beetroot may give some modest boost to sex for men and women, likely by helping your circulation. But it’s unlikely to transform your sex life or act as vegetable Viagra. We know there are many contributing factors to sexual wellbeing. Diet is only one.
For individually tailored support talk to your GP or an accredited practising dietitian.
Lauren Ball, Professor of Community Health and Wellbeing, The University of Queensland and Emily Burch, Lecturer, Southern Cross University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Garden Cress vs Watercress – Which is Healthier?
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Our Verdict
When comparing garden cress to watercress, we picked the garden cress.
Why?
While watercress is (rightly!) popularly viewed as a superfood for its nutritional density, the garden variety actually outperforms it.
In terms of macros first, garden cress has more protein, carbs, and fiber, while also having the lower glycemic index. Not that anyone’s getting blood sugar spikes from eating any kind of cress, but still, by the numbers, this is a clear win on the whole for garden cress in the category of macros.
When it comes to vitamins, garden cress has a lot (tens of times) more of vitamins A, B2, B3, B6, B7, B9, C, K, and choline, while watercress has (slightly) more of vitamins B1, B5, and E. An easy win for garden cress.
In the category of minerals, garden cress has more copper, iron, magnesium, manganese, phosphorus, and potassium, while watercress has more calcium. Another clear win for garden cress.
Taking a quick peep at polyphenols in case there’s anything to offset the above, garden cress has 13x more kaempferol (13mg/100g to watercress’s 1mg/100g), and/but watercress, in its favor, has quercetin (at 4mg/100g), which garden cress doesn’t. So, we say this category is also a win for garden cress, but watercress has its merits too.
👆 Let’s clarify: those numbers are all very good, and garden cress’s 13mg/100g kaempferol is absurdly high; most such quotients of most edible plants are orders of magnitude smaller; not to shoehorn in another vegetable, but just to give an example, savoy cabbage, which won on nutritional density vs bok choi recently, has 0.26mg/100g kaempferol and 0.12mg/100g quercetin (which were already very respectable numbers), so you see the difference in cress’s exceptionally generous delivery of these polyphenols!
Adding up the sections makes for an overwhelming win for garden cress!
Want to learn more?
You might like to read:
Sprout Your Seeds, Grains, Beans, Etc ← cress is a great example of this!
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Serotonin vs Dopamine (Know The Differences)
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Of the various neurotransmitters that people confuse with each other, serotonin and dopamine are the two highest on the list (with oxytocin coming third as people often attribute its effects to serotonin). But, for all they are both “happiness molecules”, serotonin and dopamine are quite different, and are even opposites in some ways:
More than just happiness
Let’s break it down:
Similarities:
- Both are neurotransmitters, neuromodulators, and monoamines.
- Both impact cognition, mood, energy, behavior, memory, and learning.
- Both influence social behavior, though in different ways.
Differences (settle in; there are many):
- Chemical structure:
- Dopamine: catecholamine (derived from phenylalanine and tyrosine)
- Serotonin: indoleamine (derived from tryptophan)
- Derivatives:
- Dopamine → noradrenaline and adrenaline (stress and alertness)
- Serotonin → melatonin (sleep and circadian rhythm)
- Effects on mental state:
- Dopamine: drives action, motivation, and impulsivity.
- Serotonin: promotes calmness, behavioral inhibition, and cooperation.
- Role in memory and learning:
- Dopamine: key in attention and working memory
- Serotonin: crucial for hippocampus activation and long-term memory
Symptoms of imbalance:
- Low dopamine:
- Loss of motivation, focus, emotion, and activity
- Linked to Parkinson’s disease and ADHD
- Low serotonin:
- Sadness, irritability, poor sleep, and digestive issues
- Linked to PTSD, anxiety, and OCD
- High dopamine:
- Excessive drive, impulsivity, addictions, psychosis
- High serotonin:
- Nervousness, nausea, and in extreme cases, serotonin syndrome (which can be fatal)
Brain networks:
- Dopamine: four pathways controlling movement, attention, executive function, and hormones.
- Serotonin: widely distributed across the cortex, partially overlapping with dopamine systems.
Speed of production:
- Dopamine: can spike and deplete quickly; fatigues faster with overuse.
- Serotonin: more stable, releasing steadily over longer periods.
Illustrative examples:
- Coffee boosts dopamine but loses its effect with repeated use.
- Sunlight helps maintain serotonin levels over time.
If you remember nothing else, remember this:
- Dopamine: action, motivation, and alertness.
- Serotonin: contentment, happiness, and calmness.
For more on all of the above, enjoy:
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You might also like to read:
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Four Thousand Weeks – by Oliver Burkeman
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This is not, strictly speaking, a time management book. It’s more a “contemplating mortality and making things count while still doing the necessaries”.
Burkeman’s premise is that we get around 4,000 weeks of life, on average. If we live to 120, it’s more like 6,200. Unlucky souls may have to do the best they can with 1,000 or so.
The book is thought-provoking; consider:
- how was your last week?
- how will your next week be?
- what if it were your last?
Of course, we cannot necessarily liquidate all our assets and spend next week burning out in style, because then the following week comes. So, what’s the solution?
That’s something Burkeman lays out over the course of the book, with key ideas including passion projects and figuring out what can be safely neglected, but there’s far more there than we could sum up here.
Bottom line: if you ever find yourself struggling to balance what is expected of you with what is of value to you, this book can help you get the most out of your choices.
Click here to check out Four Thousand Weeks, and make yours count!
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