HRT Side Effects & Troubleshooting

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This is Dr. Heather Hirsch. She’s a board-certified internist, and her clinical expertise focuses on women’s health, particularly in midlife and menopause, and its intersection with chronic diseases (ranging from things associated with sexual health, to things like osteoporosis and heart disease).

So, what does she want us to know?

HRT can be life-changingly positive, but it can be a shaky start

Hormone Replacement Therapy (HRT), and in this context she’s talking specifically about the most common kind, Menopausal Hormone Therapy (MHT), involves taking hormones that our body isn’t producing enough of.

If these are “bioidentical hormones” as used in most of the industrialized world and increasingly also in N. America, then this is by definition a supplement rather than a drug, for what it’s worth, whereas some non-bioidentical hormones (or hormone analogs, which by definition function similarly to hormones but aren’t the same thing) can function more like drugs.

We wrote a little about his previously:

Hormone Replacement Therapy: A Tale Of Two Approaches

For most people most of the time, bioidentical hormones are very much the best way to go, as they are not only more effective, but also have fewer side effects.

That said, even bioidentical hormones can have some undesired effects, so, how to deal with those?

Don’t worry; bleed happy

A reprise of (usually quite light) menstrual bleeding is the most common side effect of menopausal HRT.

This happens because estrogen affects* the uterus, leading to a build-up and shedding of the uterine lining.

*if you do not have a uterus, estrogen can effect uterine tissue. That’s not a typo—here we mean the verb “effect”, as in “cause to be”. It will not grow a new uterus, but it can cause some clumps of uterine tissue to appear; this means that it becomes possible to get endometriosis without having a uterus. This information should not be too shocking, as endometriosis is a matter of uterine tissue growing inconveniently, often in places where it shouldn’t, and sometimes quite far from the uterus (if present, or its usual location, if absent). However, the risk of this happening is far lower than if you actually have a uterus:

What you need to know about endometriosis

Back to “you have a uterus and it’s making you wish you didn’t”:

This bleeding should, however, be light. It’ll probably be oriented around a 28-day cycle even if you are taking your hormones at the same dose every day of the month, and the bleeding will probably taper off after about 6 months of this.

If the bleeding is heavier, all the time, or persists longer than 6 months, then speak to your gynecologist about it. Any of those three; it doesn’t have to be all three!

Bleeding outside of one’s normal cycle can be caused by anything from fibroids to cancer; statistically speaking it’s probably nothing too dire,but when your safety is in question, don’t bet on “probably”, and do get it checked out:

When A Period Is Very Late (i.e., Post-Menopause)

Dr. Hirsch recommends, as possible remedies to try (preferably under your gynecologist’s supervision):

  • lowering your estrogen dose
  • increasing your progesterone dose
  • taking progesterone continuously instead of cyclically

And if you’re not taking progesterone, here’s why you might want to consider taking this important hormone that works with estrogen to do good things, and against estrogen to rein in some of estrogen’s less convenient things:

Progesterone Menopausal HRT: When, Why, And How To Benefit

(the above link contains, as well as textual information, an explanatory video from Dr. Hirsch herself)

Get the best of the breast

Calm your tits. Soothe your boobs. Destress your breasts. Hakuna your tatas. Undo the calamity beleaguering your mammaries.

Ok, more seriously…

Breast tenderness is another very common symptom when starting to take estrogen. It can worry a lot of people (à la “aagh, what is this and is it cancer!?”), but is usually nothing to worry about. But just to be sure, do also check out:

Keeping Abreast Of Your Cancer Risk: How To Triple Your Breast Cancer Survival Chances

Estrogen can cause feelings of breast fullness, soreness, nipple irritation, and sometimes lactation, but this later will be minimal—we’re talking a drop or two now and again, not anything that would feed a baby.

Basically, it happens when your body hasn’t been so accustomed to normal estrogen levels in a while, and suddenly wakes up with a jolt, saying to itself “Wait what are we doing puberty again now? I thought we did menopause? Are we pregnant? What’s going on? Ok, checking all systems!” and then may calm down not too long afterwards when it notes that everything is more or less as it should be already.

If this persists or is more than a minor inconvenience though, Dr. Hirsch recommends looking at the likely remedies of:

  • Adjust estrogen (usually the cause)
  • Adjust progesterone (less common)
  • If it’s progesterone, changing the route of administration can ameliorate things

What if it’s not working? Is it just me?

Dr. Hirsch advises the most common reasons are simply:

  • wrong formulation (e.g. animal-derived estrogen or hormone analog, instead of bioidentical)
  • wrong dose (e.g. too low)
  • wrong route of administration (e.g. oral vs transdermal; usually transdermal estradiol is most effective but many people do fine on oral; progesterone meanwhile is usually best as a pessary/suppository, but many people do fine on oral)

Writer’s example: in 2022 there was an estrogen shortage in my country, and while I had been on transdermal estradiol hemihydrate gel, I had to go onto oral estradiol valerate tablets for a few months, because that’s what was available. And the tablets simply did not work for me at all. I felt terrible and I have a good enough intuitive sense of my hormones to know when “something wrong is not right”, and a good enough knowledge of the pharmacology & physiology to know what’s probably happening (or not happening). And sure enough, when I got my blood test results, it was as though I’d been taking nothing. It was such a relief to get back on the gel once it became available again!

So, if something doesn’t seem to be working for you, speak up and get it fixed if at all possible.

See also: What You Should Have Been Told About Menopause Beforehand

Want to know more from Dr. Hirsch?

You might like this book of hers, which we haven’t reviewed yet, but present here for your interest:

Unlock Your Menopause Type: A Personalized Guide to Managing Your Menopausal Symptoms and Enhancing Your Health – by Dr. Heather Hirsch

Enjoy!

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  • Vibration Plate, Review After 6 Months: Is It Worth It?

    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.

    Is it push-button exercise, or an expensive fad, or something else entirely? Robin, from “The Science of Self-Care”, has insights:

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    According to the science (studies cited in the video and linked-to in the video description, underneath it on YouTube), vibration therapy does have some clear benefits, namely:

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  • Self-Care for Tough Times – by Suzy Reading

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    A note on the author: while not “Dr. Reading”, she is a “CPsychol, B Psych (Hons), M Psych”; a Chartered Psychologist specializing in wellbeing, stress management and facilitation of healthy lifestyle change. So this is coming from a place of research and evidence!

    The kinds of “tough times” she has in mind are so numerous that listing them takes two pages in the book, so we won’t try here. But suffice it to say, there are a lot of things that can go wrong for us as humans, and this book addresses how to take care of ourselves mindfully in light of them.

    The author takes a “self-care is health care” approach, and goes about things with a clinical mindset and/but a light tone, offering both background information, and hands-on practical advice.

    Bottom line: there may be troubles ahead (and maybe you’re in the middle of troubles right now), but there’s always room for a little sunshine too.

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  • The Cancer Code − by Dr. William Fung

    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.

    We have previously reviewed, by the same author, “The Obesity Code” and “The Diabetes Code”, so, what does this one offer that’s new?

    Mostly, it’s just a new focus, because the dietary approach is basically the same (because all three are fundamentally metabolism-related), with some small tweaks for cancer-specificity. If you’ve read one or more of the other books, you can probably comfortably get away with skipping this one, unless you or a loved one presently has cancer and you’re doing your best to squeeze out any extra 1% of anticancer potential.

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  • Ice Baths: To Dip Or Not To Dip?

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    We asked you for your (health-related) view of ice baths, and got the above-depicted, below-described, set of responses:

    • About 31% said “ice baths are great for the health; we should take them”
    • About 29% said “ice baths’ risks outweigh their few benefits”
    • About 26% said “ice baths’ benefits outweigh their few risks”
    • About 14% said “ice baths are dangerous and can kill you; best avoided”

    So what does the science say?

    Freezing water is very dangerous: True or False?

    True! Water close to freezing point is indeed very dangerous, and can most certainly kill you.

    Fun fact, though: many such people are still saveable with timely medical intervention, in part because the same hypothermia that is killing them also slows down the process* of death

    Source (and science) for both parts of that:

    Cold water immersion: sudden death and prolonged survival

    *and biologically speaking, death is a process, not an event, by the way. But we don’t have room for that today!

    (unless you die in some sudden violent way, such as a powerful explosion that destroys your brain instantly; then it’s an event)

    Ice baths are thus also very dangerous: True or False?

    False! Assuming that they are undertaken responsibly and you have no chronic diseases that make it more dangerous for you.

    What does “undertaken responsibly” mean?

    Firstly, the temperature should not be near freezing. It should be 10–15℃, which for Americans is 50–59℉.

    You can get a bath thermometer to check this, by the way. Here’s an example product on Amazon.

    Secondly, your ice bath should last no more than 10–15 minutes. This is not a place to go to sleep.

    What chronic diseases would make it dangerous?

    Do check with your doctor if you have any doubts, as no list we make can be exhaustive and we don’t know your personal medical history, but the main culprits are:

    • Cardiovascular disease
    • Hypertension
    • Diabetes (any type)

    The first two are for heart attack risk; the latter is because diabetes can affect core temperature regulation.

    Ice baths are good for the heart: True or False?

    True or False depending on how they’re done, and your health before starting.

    For most people, undertaking ice baths responsibly, repeated ice bath use causes the cardiovascular system to adapt to better maintain homeostasis when subjected to thermal shock (i.e. sudden rapid changes in temperature).

    For example: Respiratory and cardiovascular responses to cold stress following repeated cold water immersion

    And because that was a small study, here’s a big research review with a lot of data; just scroll to where it has the heading“Specific thermoregulative adaptations to regular exposure to cold air and/or cold water exposure“ for many examples and much discussion:

    Health effects of voluntary exposure to cold water: a continuing subject of debate

    Ice baths are good against inflammation: True or False?

    True! Here’s one example:

    Winter-swimming as a building-up body resistance factor inducing adaptive changes in the oxidant/antioxidant status

    Uric acid and glutathione levels (important markers of chronic inflammation) are also significantly affected:

    Uric acid and glutathione levels during short-term whole body cold exposure

    Want to know more?

    That’s all we have room for today, but check out our previous “Expert Insights” main feature looking at Wim Hof’s work in cryotherapy:

    A Cold Shower A Day Keeps The Doctor Away?

    Enjoy!

    Don’t Forget…

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  • Tuna vs Catfish – Which is Healthier?

    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.

    Our Verdict

    When comparing tuna to catfish, we picked the tuna.

    Why?

    Today in “that which is more expensive and/or harder to get is not necessarily healthier”…

    Looking at their macros, tuna has more protein and less fat (and overall, less saturated fat, and also less cholesterol).

    In the category of vitamins, both are good but tuna distinguishes itself: tuna has more of vitamins A, B1, B2, B3, B6, and D, while catfish has more of vitamins B5, B9, B12, E, and K. They are both approximately equal in choline, and as an extra note in tuna’s favor (already winning 6:5), tuna is a very good source of vitamin D, while catfish barely contains any. All in all: a moderate, but convincing, win for tuna.

    When it comes to minerals, things are clearer still: tuna has more copper, iron, magnesium, phosphorus, potassium, and selenium, while catfish has more calcium, manganese, and zinc. Oh, and catfish is also higher in one other mineral: sodium, which most people in industrialized countries need less of, on average. So, a 6:3 win for tuna, before we even take into account the sodium content (which makes the win for tuna even stronger).

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    Take care!

    Don’t Forget…

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  • Are GMOs Good Or Bad For Us?

    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.

    Unzipping Our Food’s Genes

    In yesterday’s newsletter, we asked you for your (health-related) views on GMOs.

    But what does the science say?

    First, a note on terms

    Technically, we (humans) have been (g)enetically (m)odifying (o)rganisms for thousands of years.

    If you eat a banana, you are enjoying the product of many generations of artificial selection, to change its genes to produce a fruit that is soft, sweet, high in nutrients, and digestible without cooking. The original banana plant would be barely recognizable to many people now (and also, barely edible). We’ve done similarly with countless other food products.

    So in this article, we’re going to be talking exclusively about modern genetic modification of organisms, using exciting new (ish, new as in “in the last century”) techniques to modify the genes directly, in a copy-paste fashion.

    For more details on the different kinds of genetic modification of organisms, and how they’re each done (including the modern kinds), check out this great article from Sciencing, who explain it in more words than we have room for here:

    Sciencing | How Are GMOs Made?

    (the above also offers tl;dr section summaries, which are great too)

    GMOS are outright dangerous (cancer risks, unknown risks, etc): True or False?

    False, so far as we know, in any direct* fashion. Obviously “unknown risks” is quite a factor, since those are, well, unknown. But GMOs on the market undergo a lot of safety testing, and have invariably passed happily.

    *However! Glyphosate (the herbicide), on the other hand, has a terrible safety profile and is internationally banned in very many countries for this reason.

    Why is this important? Because…

    • in the US (and two out of ten Canadian provinces), glyphosate is not banned
    • In the US (and we may hypothesize, those two Canadian provinces) one of the major uses of genetic modification of foodstuffs is to make it resistant to glyphosate
    • Consequently, GMO foodstuffs grown in those places have generally been liberally doused in glyphosate

    So… It’s not that the genetic modification itself makes the food dangerous and potentially carcinogenic (it doesn’t), but it is that the genetic modification makes it possible to use a lot more glyphosate without losing crops to glyphosate’s highly destructive properties.

    Which results in the end-consumer eating glyphosate. Which is not good. For example:

    ❝Following the landmark case against Monsanto, which saw them being found liable for a former groundskeeper, 46 year old Dewayne Johnson’s cancer, 32 countries have to date banned the use of Glyphosate, the key ingredient in Monsanto’s Roundup weed killer. The court awarded Johnson R4.2 billion in damages finding Monsanto “acted with malice or oppression”.❞

    Source: see below!

    You can read more about where glyphosate is and isn’t banned, here:

    33 countries ban the use of Glyphosate—the key ingredient in Roundup

    For the science of this (and especially the GMO → glyphosate use → cancer pipeline), see:

    Use of Genetically Modified Organism (GMO)-Containing Food Products in Children

    GMOs are extra healthy because of the modifications (they were designed for that, right?): True or False?

    True or False depending on who made them and why! As we’ve seen above, not all companies seem to have the best interests of consumer health in mind.

    However, they can be! Here are a couple of great examples:

    ❝Recently, two genome-edited crops targeted for nutritional improvement, high GABA tomatoes and high oleic acid soybeans, have been released to the market.

    Nutritional improvement in cultivated crops has been a major target of conventional genetic modification technologies as well as classical breeding methods❞

    Source: Drs. Nagamine & Ezura

    Read in full: Genome Editing for Improving Crop Nutrition

    (note, they draw a distinction of meaning between genome editing and genetic modification, according to which of two techniques is used, but for the purposes of our article today, this is under the same umbrella)

    Want to know more?

    If you’d like to read more about this than we have room for here, here’s a great review in the Journal of Food Science & Nutrition:

    Should we still worry about the safety of GMO foods? Why and why not? A review

    Take care!

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