What’s the difference between ‘man flu’ and flu? Hint: men may not be exaggerating
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What’s the difference? is a new editorial product that explains the similarities and differences between commonly confused health and medical terms, and why they matter.
The term “man flu” takes a humorous poke at men with minor respiratory infections, such as colds, who supposedly exaggerate their symptoms.
According to the stereotype, a man lies on the sofa with a box of tissues. Meanwhile his female partner, also with a snotty nose, carries on working from home, doing the chores and looking after him.
But is man flu real? Is there a valid biological reason behind men’s symptoms or are men just malingering? And how does man flu differ from flu?
What are the similarities?
Man flu could refer to a number of respiratory infections – a cold, flu, even a mild case of COVID. So it’s difficult to compare man flu with flu.
But for simplicity, let’s say man flu is actually a cold. If that’s the case, man flu and flu have some similar features.
Both are caused by viruses (but different ones). Both are improved with rest, fluids, and if needed painkillers, throat lozenges or decongestants to manage symptoms.
Both can share similar symptoms. Typically, more severe symptoms such as fever, body aches, violent shivering and headaches are more common in flu (but sometimes occur in colds). Meanwhile sore throats, runny noses, congestion and sneezing are more common in colds. A cough is common in both.
What are the differences?
Flu is a more serious and sometimes fatal respiratory infection caused by the influenza virus. Colds are caused by various viruses such as rhinoviruses, adenoviruses, and common cold coronaviruses, and are rarely serious.
Colds tend to start gradually while flu tends to start abruptly.
Flu can be detected with laboratory or at-home tests. Man flu is not an official diagnosis.
Severe flu symptoms may be prevented with a vaccine, while cold symptoms cannot.
Serious flu infections may also be prevented or treated with antiviral drugs such as Tamiflu. There are no antivirals for colds.
OK, but is man flu real?
Again, let’s assume man flu is a cold. Do men really have worse colds than women? The picture is complicated.
One study, with the title “Man flu is not a thing”, did in fact show there were differences in men’s and women’s symptoms.
This study looked at symptoms of acute rhinosinusitis. That’s inflammation of the nasal passages and sinuses, which would explain a runny or stuffy nose, a sinus headache or face pain.
When researchers assessed participants at the start of the study, men and women had similar symptoms. But by days five and eight of the study, women had fewer or less-severe symptoms. In other words, women had recovered faster.
But when participants rated their own symptoms, we saw a somewhat different picture. Women rated their symptoms worse than how the researchers rated them at the start, but said they recovered more quickly.
All this suggests men were not exaggerating their symptoms and did indeed recover more slowly. It also suggests women feel their symptoms more strongly at the start.
Why is this happening?
It’s not straightforward to tease out what’s going on biologically.
There are differences in immune responses between men and women that provide a plausible reason for worse symptoms in men.
For instance, women generally produce antibodies more efficiently, so they respond more effectively to vaccination. Other aspects of women’s immune system also appear to work more strongly.
So why do women tend to have stronger immune responses overall? That’s probably partly because women have two X chromosomes while men have one. X chromosomes carry important immune function genes. This gives women the benefit of immune-related genes from two different chromosomes.
Oestrogen (the female sex hormone) also seems to strengthen the immune response, and as levels vary throughout the lifespan, so does the strength of women’s immune systems.
Men are certainly more likely to die from some infectious diseases, such as COVID. But the picture is less clear with other infections such as the flu, where the incidence and mortality between men and women varies widely between countries and particular flu subtypes and outbreaks.
Infection rates and outcomes in men and women can also depend on the way a virus is transmitted, the person’s age, and social and behavioural factors.
For instance, women seem to be more likely to practice protective behaviours such as washing their hands, wearing masks or avoiding crowded indoor spaces. Women are also more likely to seek medical care when ill.
So men aren’t faking it?
Some evidence suggests men are not over-reporting symptoms, and may take longer to clear an infection. So they may experience man flu more harshly than women with a cold.
So cut the men in your life some slack. If they are sick, gender stereotyping is unhelpful, and may discourage men from seeking medical advice.
Thea van de Mortel, Professor, Nursing, School of Nursing and Midwifery, Griffith University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Water: For Health, for Healing, for Life – by Dr. Fereydoon Batmanghelidj
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Notwithstanding the cover’s declaration of “you’re not sick, you’re thirsty”, in fact this book largely makes the argument that both are often the case simultaneously, and that dehydration plays a bigger role in disease pathogenesis and progression than it is credited for.
You may be wondering: is this 304 pages to say “drink some water”?
And the answer is: yes, somewhat. However, it also goes into detail of how and why it is relevant in each case, which means that there will be, once you have read this, more chance of your dehydrated and thus acutely-less-functional brain going “oh, I remember what this is” rather than just soldiering on dehydrated because you are too dehydrated to remember to hydrate.
The strength of the book really is in motivation; understanding why things happen the way they do and thus why they matter, is a huge part of then actually being motivated to do something about it. And let’s face it, a “yes, I will focus on my hydration” health kick is typically sustained for less time than many more noticeable (e.g. diet and exercise) healthy lifestyle adjustments, precisely because there’s less there to focus on so it gets forgotten.
The style is a little dated (the book is from 2003, and the style feels like it is from the 80s, which is when the author was doing most of his research, before launching his first book, which we haven’t read-and-reviewed yet, in 1992) but perfectly clear and pleasant to read.
Bottom line: this book may well get you to actually drink more water
Click here to check out Water: For Health, for Healing, for Life, and get hydrating!
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What’s Your Personal Life Expectancy?
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Tick Tock… Goes the Death Clock?
This fun little test will ask a few questions about you and your lifestyle, and then make a prediction of your personal life expectancy, based on global statistics from the World Health Organisation.
And then the countdown starts… Literally, it generates a clock for you to see your life-seconds ticking away—this may or may not delight you, but it sure is a curiosity.
Their “Letters” page has a lot of reactions from people who just got their results (spoiler: people’s perspectives on life vary a lot)
Who mostly uses this service? According to their stats page, it’s mostly curious under-45s, with gradually less interest in knowing about it from 45 onwards… until the age of 70, when suddenly everyone wants to know about it again!
So Is It Possible To Pause The Clock On Aging? – Q&A Spotlight Interview
Life extension is sometimes viewed as the domain of the super-rich, and with less than half of Millennials (and almost none of Gen-Z) having retirement plans, often those of us who aren’t super-rich have more mundane (and immediate!) goals than living to 120.
And yet…
Middle class and working class life-extensionists do exist, even if not garnering the same media attention. We think that’s strange—after all, while the whimsies of the super-rich may be entertaining to read about, it’s not nearly as applicable to most people as more relatable stories:
- The twenty-something who gives up smoking and adds (healthier!) years to their life
- The thirty-something who adopts a plant-based diet and is less likely to die of heart disease
- The forty-something who stops drinking, and avoids health conditions and mishaps alike
- The fifty-something who reconsiders their health plan in light of their changing body
- The sixty-something who takes up yoga, or chess, or salsa dancing
- The seventy-something who gets asked what their secret is
- …and so on
But these are ideas, textbook examples. What if we make it more personal?
We interviewed 10 Almonds subscriber and longevity enthusiast Anastasia S., and here’s what she had to say:
Q: What does life extension mean to you, in your life?
A: To me, the key is healthy life extension. People often joke “I don’t want to live longer; the last years are the worst!” but they’re missing the point that after a certain age, those difficulties are coming whether they come at 50 or 70 or 90. Personally, I’d rather keep them at bay if I can.
Q: How do you do that?
A: Firstly, which won’t be a shock: good diet and exercise. Those two things are possibly the biggest active influences on my longevity. I’m vegan, which I don’t think is outright necessary for good health but done right, it can certainly be good. In this house we eat a lot of whole grains, beans, lentils, vegetables in general, nuts too. As for exercise, I do 30–60 minutes of Pilates daily; it’s nothing fancy and it’s just me in my pajamas at home, but it keeps me strong and fit and supple. I also walk everywhere; I don’t even own a car. Beyond that… I don’t drink or smoke (probably the biggest passive influences on my longevity, i.e., things that aren’t there to make it shorter), and I try to take my sleep seriously, making sure to schedule enough time and prepare properly for it.
Q: Take your sleep seriously? How so?
A: Good “sleep hygiene” as some call it—I schedule a little wind-down time before sleep, with no glaring screens or main lights, making a space between my busy day and restful sleep, kicking anything requiring brainpower to the morning, and making a conscious choice not to think more about those things in the meantime. I take care to make my sleeping environment as conducive as possible to good sleep too; I have a good mattress and pillows, I make sure the temperature is cool but cosy. I have a pot of herbal tea on my bedside table—I hydrate a lot.
Q: Do you take any supplements?
A: I do! They’re mostly quite general though, just “covering my bases”, so to speak. I take a daily nootropic stack (a collection of supplements specifically for brain health), too. I buy them in bulk, so they don’t cost so much.
Q: This seems quite a healthy lifestyle! Do you have any vices at all?
A: I definitely drink more coffee than I probably should! But hey, nobody’s perfect. I do love coffee, though, and as vices go, it’s probably not too bad.
Q: How’s it all working out for you? Do you feel younger?
A: I’m 38 and sometimes I feel like a teenager; sometimes I feel like an old lady. But the latter is usually for social reasons, not health-related reasons. I do have streaks of gray in my hair though, and I love that! If people don’t notice my grays, then they often think I’m in my 20s, rather than pushing 40. A little while back, I was stopped in the street by someone wanting to sell me a change of household utilities provider, then she stopped herself mid-sentence and said “Oh but wait, you look a bit too young, never mind”. Most general metrics of health would put me in my 20s.
Q: That’s interesting that you love your gray hairs, for someone who wants to stay young; is it an exception?
A: It’s more that I want to minimize the problems that come with age, and not everything’s a problem. Gray hairs are cool; joint pain, not so much. A long life rich with experiences is cool; memory loss, not so much. So, I try to keep healthy, and wear my years as best I can.
Q: Sounds good to us; good luck with it!
A: Thank you; I do my best!
Here at 10 Almonds, we love featuring what our readers are doing to improve their health; if you’re willing to be featured in our newsletter, let us know by replying to this email (where an actual human will read it, we promise!)
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Menopause: 50 Things You Need to Know – by Dr. Felice Gersh
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Can you list 50 important facts about the menopause? If not, you’ll surely find things to learn in here.
The book is divided into three main sections:
- What to expect in perimenopause
- What to expect in early menopause
- What to expect in late menopause
Each section comes with an alarming array of symptoms, ranging from perimenopause fatigue and acne to late menopause tooth loss and vaginal prolapse. This is not to say that everyone will experience everything (fortunately), but rather, that these are the things that can happen and should not arrive unexpected.
Helpfully, of course, Dr. Gersh also gives advice on how to improve your energy and skin health, as well as keep your teeth and vagina in place. And similar professional insights for the rest of the “50 things you need to know”.
The style is like one big (182 pages) patient information leaflet—thus, very clear, explaining everything, and offering reassurance where possible and also what things are reasonable cause for seeking personalized medical attention.
Bottom line: if menopause is in your future, present, or very near past, this is an excellent book for you.
Click here to check out Menopause: 50 Things You Need To Know, and know them!
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Knee Cracking & Popping: Should You Be Worried?
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Dr. Tom Walters (Doctor of Physical Therapy) explains about what’s going on behind our musical knees, and whether or not this synovial symphony is cause for concern.
When to worry (and when not to)
If the clicking/cracking/popping/etc does not come with pain, then it is probably being caused by the harmless movement of fluid within the joints, in this case specifically the patellofemoral joint, just behind the kneecap.
As Dr. Walters says:
❝It is extremely important that people understand that noises from the knee are usually not associated with pathology and may actually be a sign of a healthy, well-lubricated joint. let’s be careful not to make people feel bad about their knee noise as it can negatively influence how they view their body!❞
On the other hand, there is also such a thing as patellofemoral joint pain syndrome (PFPS), which is very common, and involves pain behind the kneecap, especially upon over-stressing the knee(s).
In such cases, it is good to get that checked out by a doctor/physiotherapist.
Dr. Walters advises us to gradually build up strength, and not try for too much too quickly. He also advises us to take care to strengthen our glutes in particular, so our knees have adequate support. Gentle stretching of the quadriceps and soft tissue mobilization with a foam roller, are also recommended, to reduce tension on the kneecap.
For more on these things and especially about the exercises, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might like to read:
How To Really Take Care Of Your Joints
Take care!
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Mind Gym – by Gary Mack and David Casstevens
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While this book seems to be mostly popular amongst young American college athletes and those around them (coaches, parents, etc) its applicability is a lot wider than that.
The thing is, as this book details, we don’t have to settle for less than optimal in our training—whatever “optimal” means for us, at any stage of life.
The style is largely narrative, and conveys a lot of ideas through anecdotes. They are probably true, but whether they occured entirely as-written or have been polished or embellished is not so important, as to to give food for thought, and reflection on how we can hone what we’re doing to work the best for us.
Nor is it just a long pep-talk, though it certainly has a motivational aspect. But rather, it covers also such things as the seven critical areas that we need to excel at if we want to be mentally robust, and—counterintuitively—the value of slowing down sometimes. The authors also talk about the importance of love, labor, and ongoing learning if we want a fulfilled life.
Bottom line: if you are engaged with any sport or sport-like endeavor that you’d like to be better at, this book will sharpen your training and development.
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What’s Your Ikigai?
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Ikigai: A Closer Look
We’ve mentioned ikigai from time to time, usually when discussing the characteristics associated with Blue Zone centenarians, for example as number 5 of…
It’s about finding one’s “purpose”. Not merely a function, but what actually drives you in life. And, if Japanese studies can be extrapolated to the rest of the world, it has a significant and large impact on mortality (other factors being controlled for); not having a sense of ikigai is associated with an approximately 47%* increase in 7-year mortality risk in the categories of cardiovascular disease and external cause mortality:
Sense of life worth living (ikigai) and mortality in Japan: Ohsaki Study
*we did a lot of averaging and fuzzy math to get this figure; the link will show you the full stats though!
In case that huge (n=43,391) study didn’t convince you, here’s another comparably-sized (n=43,117) one that found similarly, albeit framing the numbers the other way around, i.e. a comparable decrease in mortality risk for having a sense of ikigai:
This study was even longer (12 years rather than 7), so the fact that it found pretty much the same results the 7-year study we cited just before is quite compelling evidence. Again, multivariate hazard ratios were adjusted for age, BMI, drinking and smoking status, physical activity, sleep duration, education, occupation, marital status, perceived mental stress, and medical history—so all these things were effectively controlled for statistically.
Three kinds of ikigai
There are three principal kinds of ikigai:
- Social ikigai: for example, a caring role in the family or community, volunteer work, teaching
- Asocial ikigai: for example, a solitary practice of self-discipline, spirituality, or study without any particular intent to teach others
- Antisocial ikigai: for example, a strong desire to outlive an enemy, or to harm a person or group that one hates
You may be thinking: wait, aren’t those last things bad?
And… Maybe! But ikigai is not a matter of morality or even about “warm fuzzy feelings”. The fact is, having a sense of purpose increases longevity regardless of moral implications or niceness.
Nevertheless, for obvious reasons there is a lot more focus on the first two categories (social and asocial), and of those, especially the first category (social), because on a social level, “we all do well when we all do well”.
We exemplified them above, but they can be defined:
- Social: working for the betterment of society
- Asocial: working for the betterment of oneself
Of course, for many people, the same ikigai may cover both of those—often somebody who excels at something for its own sake and/but shares it with others to enrich their lives also, for example a teacher, an artist, a scientist, etc.
For it to cover both, however, requires that both parts of it are genuinely part of their feeling of ikigai, and not merely unintended consequences.
For example, a piano teacher who loves music in general and the piano in particular, and would gladly spend every waking moment studying/practising/performing, but hates having to teach it, but needs to pay the bills so teaches it anyway, cannot be said to be living any kind of social ikigai there, just asocial. And in fact, if teaching the piano is causing them to not have the time or energy to pursue it for its own sake, they might not even be living any ikigai at all.
One other thing to watch out for
There is one last stumbling block, which is that while we can find ikigai, we can also lose it! Examples of this may include:
- A professional whose job is their ikigai, until they face mandatory retirement or are otherwise unable to continue their work (perhaps due to disability, for example)
- A parent whose full-time-parent role is their ikigai, until their children leave for school, university, life in general
- A married person whose “devoted spouse” role is their ikigai, until their partner dies
For this reason, people of any age can have a “crisis of identity” that’s actually more of a “crisis of purpose”.
There are two ways of handling this:
- Have a back-up ikigai ready! For example, if your profession is your ikigai, maybe you have a hobby waiting in the wings, that you can smoothly jump ship to upon retirement.
- Embrace the fluidity of life! Sometimes, things don’t happen the way we expect. Sometimes life’s surprises can trip us up; sometimes they can leave us a sobbing wreck. But so long as life continues, there is an opportunity to pick ourselves up and decide where to go from that point. Note that this is not fatalism, by the way, it doesn’t have to be “this bad thing happened so that we could find this good thing, so really it was a good thing all along”. Rather, it can equally readily be “well, we absolutely did not want that bad thing to happen, but since it did, now we shall take it this way from here”.
For more on developing/maintaining psychological resilience in the face of life’s less welcome adversities, see:
Psychological Resilience Training
…and:
Putting The Abs Into Absurdity ← do not underestimate the power of this one
Take care!
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