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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PCOS Repair Protocol – by Tamika Woods
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PCOS (Polycystic Ovary Syndrome) affects about 1 in 5 women, and the general position of the medical establishment is “Oh dear, how sad; never mind”.
…which leaves a lot of people suffering with symptoms with little to no help.
This book looks to address that, and while it doesn’t claim to cure PCOS, it offers a system for managing (including: reducing) the symptoms. The author, a clinical nutritionist by academic background, tackles this in large part via being mindful about what one eats, in the context of the gut and endocrine system specifically.
It’s not just “have a gut healthy diet and eat foods with these nutrients”, though (although yes: also that). Rather, the author walks us through in-depth quizzes and lab testing advice, to advise the reader on how to understand the root cause of your PCOS symptoms, and then address each of those with an individualized management plan.
The style is on the low-end of pop-science, notwithstanding the clinically-informed content. For those who like a very chatty informal approach, you’ll find this one perfect. For those who don’t, well, you won’t find this one perfect, but you will most likely find it informative all the same.
Bottom line: if you or someone you care about (do you know 5 women?) has PCOS, the information in here could make a difference.
Click here to check out PCOS Repair Protocol, and suffer less!
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White Noise vs Pink Noise
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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 live in a large city and even late at night there is always a bit of background noise. While I am pretty used to it by now, I find I don’t sleep nearly as well in the city as I do in the country. I have seen some stuff about “white noise” generators. I was wondering whether you have any thoughts about the science behind these, and whether it is something I should try out – or maybe I should be trying something completly different.❞
The science says…
❝Our data show that white noise significantly improved sleep based on subjective and objective measurements in subjects complaining of difficulty sleeping due to high levels of environmental noise. This suggests that the application of white noise may be an effective tool in helping to improve sleep in those settings.❞
That said, you might also consider “pink noise”, which is very similar to white noise (having all frequencies normally audible to the human ear), but has greater intensity of lower frequencies, creating a more deep and even sound. While white noise and pink noise are both great at “muting” external sounds like those that have been disturbing your sleep, pink noise may have an advantage in helping to stimulate deep and restful sleep:
❝This study demonstrates that steady pink noise has significant effect on reducing brain wave complexity and inducing more stable sleep time to improve sleep quality of individuals.❞
Source: Pink noise: effect on complexity synchronization of brain activity and sleep consolidation
There may be extra benefits to pink noise, too:
Acoustic Enhancement of Sleep Slow Oscillations and Concomitant Memory Improvement in Older Adults
Rest well!
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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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The Silent Struggle – by L. William Ross-Child, MLC
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The vast majority of literature out there about ADHD is about children. And fair enough, there are enough popular misunderstandings of ADHD in children so it’s good those works exist… but what about adults?
Adults face different challenges than children, and have different responsibilities. People have different expectations. And even if you say you have ADHD… If you’re not behaving like a squirrel, they will often not accept this, much less understand it, because half the actual symptoms are not what most people think they are.
Ross-Child first lays out the neurobiological underpinnings of ADHD. This is a good place to start, because the physiology of it explains a lot of the other parts of it that can otherwise seem quite mystifying.
Thereafter, he looks one-by-one at the various cognitive and behavioral aspects of ADHD in adults, which will surely help the reader to better understand themself (or perhaps a loved one).
The next part of the book is given over to an exploration of ADHD and the differences it can make in the workplace, relationships (incl. ADHD and sex), as well as parenting, and how these things can all be navigated better by all concerned.
The style throughout is light and very readable, peppered with science made comprehensible. If there’s any flaw, it’s that there are only two pages of references in the bibliography—we’d have liked to have seen more.
All in all though, a really useful guide if you or a loved one has ADHD and you’d like strategies for working with (or around) this condition in a world not made to be kind to such.
Order your copy of “The Silent Struggle: Taking Charge of ADHD in Adults” from Amazon today!
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Undoing Creatine’s Puffiness Side Effect
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? We love to hear from you!
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 😎
❝Creatine is known to increase “puffiness”, especially in my face. Are there any supplements that do the opposite?!❞
So first, let’s examine why this happens: creatine is most often taken to boost muscle size and performance. Your muscles are, of course, mostly water by mass, and so building your muscles requires extra water, which triggers systemic water retention.
In other words: you take creatine, exercise, and as the muscles start growing, the body goes “oh heck, we are running out of water, better save as much as possible in order to keep hydrating the muscles without running out” and starts putting it anywhere it can that’s not your bladder, so this will largely be the soft tissues of your body.
So, this results in classic water retentions symptoms including bloating and, yes, facial puffiness.
How much this happens, and how long the effects last, depend on three main things:
- What daily dose of creatine you are taking
- What kind of exercise you are doing
- What your hydration is like
The dose is relevant as it’s most common to get this puffiness during the “loading” phase, i.e. if you’re taking an increased dose to start with.
The exercise is relevant as it affects how much your body is actually using the water to build muscles.
The hydration is relevant because the less water you are taking, the more the body will try to retain whatever you do have.
This means, of course, that the supplement you are looking for to undo the facial puffiness is, in fact, water (even, nay, especially, if you feel bloated too):
Water For Everything? Water’s Counterintuitive Properties
Additionally, you could scale back the dose of creatine you’re taking, if you’re not currently doing heavy muscle-building exercise.
That said, the recommended dose for cognitive benefits is 5g/day, which is a very standard main-phase (i.e., post-loading) bodybuilding dose, so do with that information what you will.
See also: Creatine’s Brain Benefits Increase With Age
On which note: whether or not you want to take creatine for brain benefits, however, may depend on your age:
Creatine: Very Different For Young & Old People
Most research on creatine’s effects on humans has usually been either collegiate athletes or seniors, which leaves quite a research gap in the middle—so it’s unclear at what age the muscle-building effects begin to taper off, and at what age the cognitive benefits begin to take off.
Want a quicker fix?
If you want to reduce your facial puffiness acutely (e.g., you have a date in an hour and would like to not have a puffy face), then there are two things you can do that will help immediately, and/but only have short-term effects, meaning you’d have to do them daily to enjoy the results every day:
The first is an ice bath; simply fill a large bowl with water and ice cubes, give it a couple of minutes to get down to temperature, hold your breath and plunge your face in for as long as you can comfortably hold your breath. Repeat a few times, and towel off.
This helps by waking up the vasculature in your face, helping it to reduce puffiness naturally.
The second is facial yoga or guā shā, which is the practice of physically manipulating the soft tissues of your face to put them where you want them, rather than where you don’t want them. This will work against water retention puffiness, as well as cortisol puffiness, lymphatic puffiness, and more:
7-Minute Face Fitness For Lymphatic Drainage & Youthful Jawline
Enjoy!
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Microplastics found in artery plaque linked with higher risk of heart attack, stroke and death
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Microplastics and nanoplastics are everywhere in our environment – including in our oceans and lakes, farmland, and even Arctic ice algae.
Microplastics have also been found inside of us – with studies detecting them in various tissues including in the lungs, blood, heart and placenta. Understandably, concern is rising about the potential risks of microplastics on our health.
However, while a growing body of research has focused on microplastics and nanoplastics, there’s still a lack of direct evidence that their presence in human tissues is harmful to our health – and it’s uncertain if they are related to particular diseases.
A new study has uncovered a correlation between microplastics and heart health, though. The researchers found that people who had detectable microplastics and nanoplastics in the plaque in their arteries had a higher risk of heart attack, stroke and death.
Heart health
The researchers looked at 257 people altogether. All of the patients were already undergoing preventative surgery to remove plaque from their carotid arteries (the main arteries that supply the brain with blood). This allowed the researchers to collect plaque samples and perform a chemical analysis. They then followed up with participants 34 months later.
Of the 257 participants, 150 were found to have the presence of microplastics and nanoplastics in their arterial plaque – mainly fragments of two of the most commonly used plastics in the world, polyethylene (used in grocery bags, bottles and food packaging) and polyvinyl chloride (used in flooring, cladding and pipes).
A statistical analysis of this data found that patients with microplastics and nanoplastics in their plaque had a higher risk of suffering a heart attack, stroke or death from any cause, compared with those who had no microplastics or nanoplastics in their plaque.
The researchers also analysed the macrophages (a type of immune cell that helps remove pathogens from the body) in the patients’ arteries. They found that participants who’d had microplastics and nanoplastics in their plaque also had evidence of plastic fragments in their macrophages.
They also looked at whether certain genes associated with inflammation (which can be a sign of disease) were switched on in the participants. They found that the participants who’d had microplastics and nanoplastics in their plaque also had signs of inflammation in their genes.
The microplastics were found in samples of plaque extracted from the carotid artery. Rocos/ Shutterstock These results may suggest an accumulation of nanoplastics and microplastics in carotid plaque could partly trigger inflammation. This inflammation may subsequently change the way plaque behaves in the body, making it less stable and triggering it to form a blood clot – which can eventually block blood flow, leading to heart attacks and strokes.
Interestingly, the researchers also found the presence of nanoplastics and microplastics was more common in participants who had diabetes and cardiovascular disease. This raises a lot of questions which have yet to be answered – such as why microplastics were more common in these participants, and if there may be a correlation between other diseases and the presence of microplastics in the body.
Other health risks
This study only focused on patients who had carotid artery disease and were already having surgery to remove the build-up of plaque. As such, it’s unclear whether the findings of this study can be applied to a larger population of people.
However, it isn’t the first study to show a link between microplastics and nanoplastics with poor health. Research suggests some of this harm may be due to the way microplastics and nanoplastics interact with proteins in the body.
For example, some human proteins adhere to the surface of polystyrene nanoplastics, forming a layer surrounding the nanoparticle. The formation of this layer may influence the activity and transfer of nanoplastics in human organs.
Another study suggested that nanoplastics can interact with a protein called alpha-synuclein, which in mouse studies has been shown to play a crucial role in facilitating communication between nerve cells. These clumps of nanoplastics and protein may increase the risk of Parkinson’s disease.
My published PhD research in chicken embryos found that nanoplastics may cause congenital malformations due to the way they interact with a protein called cadherin6B. Based on the interactions myself and fellow researchers saw, these malformations may affect the embryo’s eyes and neural tube, as well as the heart’s development and function.
Given the fact that nanoplastics and microplastics are found in carotid plaque, we now need to investigate how these plastics got into such tissues.
In mice, it has been demonstrated that gut macrophages (a type of white blood cell) can absorb microplastics and nanoplastics into their cell membrane. Perhaps a similar mechanism is taking place in the arteries, since nanoplastics have been identified in samples of carotid plaque macrophages.
The findings from this latest study add to a growing body of evidence showing a link between plastic products and our health. It is important now for researchers to investigate the specific mechanisms by which microplastics and nanoplastics cause harm in the body.
Meiru Wang, Postdoctoral Researcher, Molecular Biology and Nanotoxicology, Leiden University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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