Lower Your Cortisol! (Here’s Why & How)
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Cortisol, or “the stress hormone” to its friends, is produced by your adrenal glands, and is generally considered “not fun”.
It does serve a purpose, of course, just like almost everything else our body does. It serves as part of the “fight or flight” response, for example, and helps you to wake up in the morning.
While you do need some cortisol (and a small percentage of people have too little), most of us have too much.
Why? Simply put, modern life is not what 200,000* years of human evolution prepared us for:
- Agriculture (which allowed us to settle down and cease being nomadic) happened during the last 6% of those 200,000 years.
- The Industrial Revolution and the onset of modern capitalism happened during only during the last 0.1% of those 200,000 years.
*the 200,000 years figure is conservative and doesn’t take into account the 200,000,000 years of pre-hominid mammalian evolution. Doing so, on the basis of the mammalian brain & physiology being what’s important here, means our modern stressors have been around for <0.0001% of the time we have.
So guess what, our bodies haven’t caught up. As far as our bodies are concerned, we are supposed to be enjoying the sunshine of grassy plains and the shade of woodland while eating fruit.
- When the alarm clock goes off, our body panics and prepares us to either flee or help fight the predator, because why else would we have been woken so?
- When we have a pressing deadline for work, our brain processes this as “if we don’t do this, we will literally starve and die”.
- When people are upset or angry with us, there’s a part of our brain that fears exile from the tribe and resultant death.
…and so on.
Health Risks of High Cortisol
The long-term stressors are the biggest issue for health. Unless you have a heart condition or other relevant health problem, almost anyone can weather a brief unpleasant surprise. But if something persists? That prompts the body to try to protect you, bless it. The body’s attempts backfire, because…
- One way it does this by making sure to save as much food as possible in the form of body fat
- It’ll also increase your appetite, to make sure you eat anything you can while you still can
- It additionally tries to protect you by keeping you on the brink of fight-or-flight readiness, e.g:
- High blood pressure
- High blood sugar levels
- Rapid mood changes—gotta be able to do those heel-turns as necessary and react quickly to any possible threat!
Suffice it to say, these things are not good for your long-term health.
That’s the “Why”—now here’s the “How”:
Lowering your cortisol levels mostly means lowering your stress and/or lowering your stress response. We previously gave some powerful tools for lowering anxiety, which for these purposes amounts to the same thing.
However, we can also make nutritional and lifestyle changes that will reduce our cortisol levels, for example:
- Reduce (ideally: eliminate from your lifestyle) caffeine
- Reduce (ideally: eliminate from your lifestyle) alcohol
- Yes, really. While many understandably turn to alcohol specifically to help manage stress, it only makes it worse long-term.
- Additionally, alcohol directly stimulates cortisol production, counterintuitive as that may be.
Read: Alcohol, Aging, and the Stress Response ← full article (with 37 sources of its own) from the NYMC covering how alcohol stimulates cortisol production and what that means for us
As well as reductions/eliminations, are some things you can add into your lifestyle that will help!
We’ve written previously about some:
Read: Ashwagandha / Read: L-Theanine / Read: CBD Oil
Other things include, no surprises here:
- The Mediterranean diet (nutritious and delicious): https://10almonds.com/mediterranean-diet
- Get 7–9 hours (good quality!) sleep per night: https://10almonds.com/time-pillow-talk
- Get regular exercise (the regularity matters most!): https://10almonds.com/keep-on-keeping-on
Progressive Relaxation
We’ll give this one its own section because we’ve not talked about it before. Maybe you’re familiar. If not, then in a nutshell: progressive relaxation means progressively tensing and then relaxing each part of your body in turn.
Why does this work? Part of it is just a physical trick involving biofeedback and the natural function of muscles to contract and relax in turn, but the other part is even cleverer:
It basically tricks the most primitive part of your brain, the limbic system, into thinking you had a fight and won, telling it “thank you very much for the cortisol but we don’t need it anymore”.
Take a Hike! Or a Stroll… You Do You!
Last but not least: go connect with your roots. Spend time in the park, or at least the garden. Have a picnic, if the weather suits. Go somewhere you can spend time around leafy green things under a blue sky (we realize the blue sky may be subject to availability in some locations, but do what you can!).
Remember also: just as your body’s responses will be tricked by the alarm clock or the housework, they will also be easily tricked by blue and green stuff around you. If a sunny garden isn’t available in your location, a picture of one as your desktop background is the next best thing.
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Why is cancer called cancer? We need to go back to Greco-Roman times for the answer
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One of the earliest descriptions of someone with cancer comes from the fourth century BC. Satyrus, tyrant of the city of Heracleia on the Black Sea, developed a cancer between his groin and scrotum. As the cancer spread, Satyrus had ever greater pains. He was unable to sleep and had convulsions.
Advanced cancers in that part of the body were regarded as inoperable, and there were no drugs strong enough to alleviate the agony. So doctors could do nothing. Eventually, the cancer took Satyrus’ life at the age of 65.
Cancer was already well known in this period. A text written in the late fifth or early fourth century BC, called Diseases of Women, described how breast cancer develops:
hard growths form […] out of them hidden cancers develop […] pains shoot up from the patients’ breasts to their throats, and around their shoulder blades […] such patients become thin through their whole body […] breathing decreases, the sense of smell is lost […]
Other medical works of this period describe different sorts of cancers. A woman from the Greek city of Abdera died from a cancer of the chest; a man with throat cancer survived after his doctor burned away the tumour.
Where does the word ‘cancer’ come from?
Why does the word ‘cancer’ have its roots in the ancient Greek and Latin words for crab? The physician Galen offers one explanation. Pierre Roche Vigneron/Wikimedia The word cancer comes from the same era. In the late fifth and early fourth century BC, doctors were using the word karkinos – the ancient Greek word for crab – to describe malignant tumours. Later, when Latin-speaking doctors described the same disease, they used the Latin word for crab: cancer. So, the name stuck.
Even in ancient times, people wondered why doctors named the disease after an animal. One explanation was the crab is an aggressive animal, just as cancer can be an aggressive disease; another explanation was the crab can grip one part of a person’s body with its claws and be difficult to remove, just as cancer can be difficult to remove once it has developed. Others thought it was because of the appearance of the tumour.
The physician Galen (129-216 AD) described breast cancer in his work A Method of Medicine to Glaucon, and compared the form of the tumour to the form of a crab:
We have often seen in the breasts a tumour exactly like a crab. Just as that animal has feet on either side of its body, so too in this disease the veins of the unnatural swelling are stretched out on either side, creating a form similar to a crab.
Not everyone agreed what caused cancer
The physician Erasistratus didn’t think black bile was to blame. Didier Descouens/Musée Ingres-Bourdelle/Wikimedia, CC BY-SA In the Greco-Roman period, there were different opinions about the cause of cancer.
According to a widespread ancient medical theory, the body has four humours: blood, yellow bile, phlegm and black bile. These four humours need to be kept in a state of balance, otherwise a person becomes sick. If a person suffered from an excess of black bile, it was thought this would eventually lead to cancer.
The physician Erasistratus, who lived from around 315 to 240 BC, disagreed. However, so far as we know, he did not offer an alternative explanation.
How was cancer treated?
Cancer was treated in a range of different ways. It was thought that cancers in their early stages could be cured using medications.
These included drugs derived from plants (such as cucumber, narcissus bulb, castor bean, bitter vetch, cabbage); animals (such as the ash of a crab); and metals (such as arsenic).
Galen claimed that by using this sort of medication, and repeatedly purging his patients with emetics or enemas, he was sometimes successful at making emerging cancers disappear. He said the same treatment sometimes prevented more advanced cancers from continuing to grow. However, he also said surgery is necessary if these medications do not work.
Surgery was usually avoided as patients tended to die from blood loss. The most successful operations were on cancers of the tip of the breast. Leonidas, a physician who lived in the second and third century AD, described his method, which involved cauterising (burning):
I usually operate in cases where the tumours do not extend into the chest […] When the patient has been placed on her back, I incise the healthy area of the breast above the tumour and then cauterize the incision until scabs form and the bleeding is stanched. Then I incise again, marking out the area as I cut deeply into the breast, and again I cauterize. I do this [incising and cauterizing] quite often […] This way the bleeding is not dangerous. After the excision is complete I again cauterize the entire area until it is dessicated.
Cancer was generally regarded as an incurable disease, and so it was feared. Some people with cancer, such as the poet Silius Italicus (26-102 AD), died by suicide to end the torment.
Patients would also pray to the gods for hope of a cure. An example of this is Innocentia, an aristocratic lady who lived in Carthage (in modern-day Tunisia) in the fifth century AD. She told her doctor divine intervention had cured her breast cancer, though her doctor did not believe her.
Innocentia from Carthage, in modern-day Tunisia, believed divine intervention cured her breast cancer. Valery Bareta/Shutterstock From the past into the future
We began with Satyrus, a tyrant in the fourth century BC. In the 2,400 years or so since then, much has changed in our knowledge of what causes cancer, how to prevent it and how to treat it. We also know there are more than 200 different types of cancer. Some people’s cancers are so successfully managed, they go on to live long lives.
But there is still no general “cure for cancer”, a disease that about one in five people develop in their lifetime. In 2022 alone, there were about 20 million new cancer cases and 9.7 million cancer deaths globally. We clearly have a long way to go.
Konstantine Panegyres, McKenzie Postdoctoral Fellow, Historical and Philosophical Studies, The University of Melbourne
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Dealing With Hearing Loss
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Hearing is important, not only for convenience, but also for cognitive health—as an inability to participate in what for most people is an important part of social life, has been shown to accelerate cognitive decline:
14 Powerful Strategies To Prevent Dementia ← one of them is looking after your hearing
To this end, we’ve written before about ways to retain (or at least slow the loss of) your hearing, here:
But, what if, despite our best efforts, your hearing is declining regardless, or is already impaired in some way?
Working with the hand we’ve been dealt
So, your hearing is bad and/or deteriorating. Assuming you’ve ruled out possibilities of fixing it, the next step is how to manage this new state of affairs.
One thing to seriously consider, sooner than you think you need to, is using hearing aids. This is because they will not only help you in the obvious practical way, but also, they will slow the associated decline of the parts of your brain that process the language you hear:
ACHIEVE study finds hearing aids cut cognitive decline by 48%
…and here’s the paper itself:
Furthermore, hearing aid use can significantly reduce all-cause mortality:
Your ears are not the only organs
Remember, today’s about dealing with hearing loss, not preventing it (for preventing it, see the second link we dropped up top).
With this in mind: do not underestimate the usefulness of learning to lipread.
Lipreading is not a panacea; it has its limitations:
- You can’t lipread an audio-only phonecall, or a podcast, or the radio
- You can’t lipread a video call if the video quality is poor
- You can’t lipread if someone is wearing a mask (as in many healthcare settings)
- You can’t lipread multiple people at once; you have to choose whose mouth to watch (or at least, you will miss the first word(s) each time while switching)
- You can’t lipread during sex if your/their face is somewhere else (may seem like a silly example, but actually communication can be important in sex, and the number of times this writer has had to say “Say again?” in intimate moments is ridiculous)
However, it can also make a huge difference the rest of the time, and can even be a superpower in times/places when other people’s hearing is nullified, such as a noisy environment, or a video call in which someone’s mic isn’t working.
The good news is, it’s really very easy to learn to lipread. There are many valid ways (often involving consciously memorizing mouth-shapes from charts, and then putting them together one by one to build a vocabulary), but this writer recommends a more organic, less effort-intensive approach:
- Choose a video of someone who speaks clearly, and for which video you already know what is being said (such as by using subtitles first, or a transcript, or perhaps the person is delivering a famous speech or reciting a poem that you know well, or it’s your favorite movie that you’ve watched many times).
- Now watch it with the sound off (assuming you do normally have some hearing; if you don’t, then you’re probably ahead of the game here) and just pay close attention to the lips. Do this on repeat; soon you’ll be able to “hear” the sounds as you see them made.
- Now choose a video of someone who speaks clearly, for which video you do not already know what is being said. You’ll probably only get parts of it at first; that’s ok.
- Now learn the rest of what they said in that video (by reading a transcript or such), and use it like you used the first video.
- Now repeat steps 3 and 4 until you are lipreading most people easily unless there is some clear obfuscation preventing you.
This process should not take long, as there are only about 44 phonemes (distinct sounds) in English, and once you’ve learned them, you’re set. If you speak more languages, those same 44 phonemes should cover most of most of them, but if not, just repeat the above process with the next language.
Remember, if you have at least some hearing, then most of the time your lipreading and your hearing are going to be working together, and neither will be as strong without the other—but if necessary, well-practised lipreading can indeed often stand in for hearing when hearing isn’t available.
A note on sign language:
Sign language is great, and cool, and useful. However, it’s only as useful as the people who know it, which means that it’s top-tier in the Deaf community (where people will dodge hearing-related cognitive decline entirely, because their social interaction is predominantly signed rather than spoken), and can be useful with close friends or family members who learn it (or at least learn some), but isn’t as useful in most of the wider world when people don’t know it. But if you do want to learn it, don’t let that hold you back—be the change you want to see!
Most of our readers are American, so here’s a good starting place for American Sign Language ← this is a list of mostly-free resources
Enjoy!
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Eat Move Sleep – by Tom Rath
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The subtitle of this book, “how small choices lead to big changes“, is very much the idea that a lot of what we do here at 10almonds is about.
And the title itself, “Eat Move Sleep”? Well, that’s 3/5 of The Usual Five Things™ that we promote here (the other two being: reduce or eliminate alcohol, and don’t smoke). So, naturally this book got our attention.
One of the key ideas that Rath presents is that every action we take leads to a net gain or loss in health. The question then is: what are the biggest point-swingers? In other words, what are the places in our life where the smallest changes can make the biggest difference?
Rath looks at what parts of diet make the biggest difference to our health, and the findings there alone probably make reading the book worthwhile.
When it comes to movement, he actually flips this! For Rath, it’s less about how much exercise you get, and more about minimizing how long we spend not moving… And especially, minimizing how long we spend sitting. So, lots of little tweaks for that.
In the category of sleep: a key idea is that quality is as important as quantity, and there’s an aspect of bringing together as a synergistic routine. To finish off a productive day with good rest, and power up ready for the next morning.
In short: tying these items together—and focusing on the smallest choices that lead to the biggest changes—makes for quite a manifesto that we could describe as “Atomic Habits, for health specifically”.
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Cilantro vs Parsley – Which is Healthier?
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Our Verdict
When comparing cilantro to parsley, we picked the parsley.
Why?
Notwithstanding that some of our recipes include “cilantro, or if you have the this-tastes-like-soap gene, parsley”, that choice is more for the taste profile than the nutrition profile. Both are good, though, and it is quite close!
Like many herbs, they’re both full of vitamins and minerals and assorted phytochemicals.
In the category of vitamins, they’re both very good sources of vitamins A, C, and K, but parsley has more of each (and in vitamin K’s case, 4–5 times more). Parsley also has about twice as much folate. For the other vitamins, they’re mostly quite equal except that cilantro has more vitamin E.
When it comes to minerals, again they’re both good but again parsley is better on average, with several times more iron, and about twice as much calcium, zinc, and magnesium. Cilantro only wins noticeably for selenium.
Both have an array of anti-inflammatory phytochemicals, and each boasts antioxidants with anticancer potential.
Both have mood-improving qualities and have research for their anxiolytic and antidepressant effects—sufficient that these deserve their own main feature sometime.
For now though, we’ll say: healthwise, these two wonderful herbs are equal on most things, except that parsley has the better micronutrient profile.
Enjoy!
Further reading
You might also enjoy:
Herbs For (Evidence-Based) Health & Healing
Take care!
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How to Find Happiness In Yourself – by Michelle Mann
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A lot of books about happiness tell you what to pursue, generally. What things to focus on, and that’s good, but incomplete. This book does cover those things too (complete with academic sources to back up what really works), but also goes further:
Michelle Mann gives 25 key habits that will cumulatively build happiness, which is what it’s really about. After all:
- If you watch your favourite movie, you’ll be happy for 90 minutes (or 9 hours if it’s The Lord of the Rings).
- If you build daily habits that add happiness to you, your surroundings, and those around you, you’ll be happy for life.
They do also cover happiness while going through difficult times, such as divorce, job loss, illness, or bereavement.
Sometimes, knowing what we “should” do in theory is the easy part. Where Mann excels here is in providing explanations of each habit. This means that rather than it being some platitude, the principles underlying it are truly understood… and thus motivate us to actually apply the advice and build the habits into our life.
While the explanations are therefore the greatest value of the book, we do recommend copying out the 25 habits (which are effectively subchapter headings) and putting them somewhere to read often.
Bottom line: we recommend getting yourself (and/or your loved ones!) a copy of this book. You (and/or they) will be happy you did!
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The Brain-Skin Doctor
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Of Brains And Breakouts
Today’s spotlight is on Dr. Claudia Aguirre. She’s a molecular neuroscientist, and today she’s going to be educating us about skin.
What? Why?
When we say “neuroscience”, we generally think of the brain. And indeed, that’s a very important part of it.
We might think about eyes, which are basically an extension of the brain.
We don’t usually think about skin, which (just like our eyes) is constantly feeding us a lot of information about our surroundings, via a little under three million nerve endings. Guess where the other ends of those nerves lead!
There’s a constant two-way communication going on between our brain and our skin.
What does she want us to know?
Psychodermatology
The brain and the skin talk to each other, and maladies of one can impact the other:
- Directly, e.g. stress prompting skin breakouts (actually this is a several-step process physiologically, but for the sake of brevity we’ll call this direct)
- Indirectly, e.g. nervous disorders that result in people scratching or picking at their skin, which prompts a whole vicious cycle of one thing making the other worse
Read more: Psychodermatology: The Brain-Skin Connection
To address both kinds of problems, clearly something beyond moisturizer is needed!
Mindfulness (meditation and beyond)
Mindfulness is a well-evidenced healthful practice for many reasons, and Dr. Aguirra argues the case for it being good for our skin too.
As she points out,
❝Cultural stress and anxiety can trigger or aggravate many skin conditions—from acne to eczema to herpes, psoriasis, and rosacea.
Conversely, a disfiguring skin condition can trigger stress, anxiety, depression, and even suicide.
Chronic, generalized anxiety can create chronic inflammation and exacerbate inflammatory skin conditions, such as those I mentioned previously.
Chronic stress can result in chronic anxiety, hypervigilance, poor sleep, and a whole cascade of effects resulting in a constant breakdown of tissues and organs, including the skin.❞
So, she recommends mindfulness-based stress reduction (MBSR), for the above reasons, along with others!
Read more: Mind Matters
How to do it: No-Frills, Evidence-Based Mindfulness
And as for “and beyond?”
Do you remember in the beginning of the pandemic, when people were briefly much more consciously trying to avoid touching their faces so much? That, too, is mindfulness. It may have been a stressed and anxious mindfulness for many*, but mindfulness nonetheless.
*which is why “mindfulness-based stress reduction” is not a redundant tautology repeated more than once unnecessarily, one time after another 😉
So: do try to keep aware of what you are doing to your skin, and so far as is reasonably practicable, only do the things that are good for it!
The skin as an endocrine organ
Nerves are not the only messengers in the body; hormones do a lot of our body’s internal communication too. And not just the ones everyone remembers are hormones (e.g. estrogen, testosterone, although yes, they do both have a big impact on skin too), but also many more, including some made in the skin itself!
Dr. Aguirra gives us a rundown of common conditions, the hormones behind them, and what we can do if we don’t want them:
Read more: Rethinking The Skin As An Endocrine Organ
Take-away advice:
For healthy skin, we need to do more than just hydrate, get good sleep, have good nutrition, and get a little sun (but not too much).
- We should also practice mindfulness-based stress reduction, and seek help for more serious mental health issues.
- We should also remember the part our hormones play in our skin, and not just the obvious ones.
Did you know that vitamin D is also a hormone, by the way? It’s not the only hormone at play in your skin by a long way, but it is an important one:
Society for Endocrinology | Vitamin D
Want to know more?
You might like this interview with Dr. Aguirre:
The Brain in Our Skin: An Interview with Dr. Claudia Aguirre
Take care!
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