Milk Thistle For The Brain, Bones, & More
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“Thistle Do Nicely”
Milk thistle is a popular supplement; it comes from the milk thistle plant (Silybum marianum), commonly just called thistles. There are other kinds of thistle too, but these are one of the most common.
So, what does it do?
Liver health
Milk thistle enjoys popular use to support liver health; the liver is a remarkably self-regenerative organ if given the chance, but sometimes it can use a helping hand.
See for example: How To Undo Liver Damage
As for milk thistle’s beneficence, it is very well established:
- Milk thistle in liver diseases: past, present, future
- Hepatoprotective effect of silymarin
- Silybum Marianum and Chronic Liver Disease: A Marriage of Many Years
Brain health
For this one the science is less well-established, as studies so far have been on non-human animals, or have been in vitro studies.
Nevertheless, the results so far are promising, and the mechanism of action seems to be a combination of reducing oxidative stress and neuroinflammation, as well as suppressing amyloid β-protein (Aβ) fibril formation, in other words, reducing amyloid plaques.
General overview: A Mini Review on the Chemistry and Neuroprotective Effects of Silymarin
All about the plaques, but these are non-human animal studies:
- Mouse model: Silymarin attenuated the amyloid β plaque burden and improved behavioral abnormalities in an Alzheimer’s disease mouse model
- Rat model: Silymarin effect on amyloid-β plaque accumulation and gene expression of APP in an Alzheimer’s disease rat model
Against diabetes
Milk thistle improves insulin sensitivity, and reduces fasting blood sugar levels and HbA1c levels. The research so far is mostly in type 2 diabetes, however (at least, so far as we could find). For example:
Studies we could find for T1D were very far from translatable to human usefulness, for example, “we poisoned these rats with streptozotocin then gave them megadoses of silymarin (10–15 times the dose usually recommended for humans) and found very small benefits to the lenses of their eyes” (source).
Against osteoporosis
In this case, milk thistle’s estrogenic effects may be of merit to those at risk of menopause-induced osteoporosis:
If you’d like a quick primer about such things as what antiosteoclastic activity is, here’s a quick recap:
Which Osteoporosis Medication, If Any, Is Right For You?
Is it safe?
It is “Generally Recognized As Safe”, and even when taken at high doses for long periods, side effects are very rare.
Contraindications include if you’re pregnant, nursing, or allergic.
Potential reasons for caution (but not necessarily contraindication) include if you’re diabetic (its blood-sugar lowering effects will decrease the risk of hyperglycemia while increasing the risk of hypoglycemia), or have a condition that could be exacerbated by its estrogenic effects—including if you are on HRT, because it’s an estrogen receptor agonist in some ways (for example those bone benefits we mentioned before) but an estrogen antagonist in others (for example, in the uterus, if you have one, or in nearby flat muscles, if you don’t).
As ever, speak with your doctor/pharmacist to be sure.
Want to try it?
We don’t sell it, but here for your convenience is an example product on Amazon
Enjoy!
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Outlive – by Dr. Peter Attia
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We know, we know; this diet, that exercise, don’t smoke or drink, get decent sleep”—a lot of books don’t go beyond this level of advice!
What Dr. Attia offers is a multi-vector approach that covers the above and a lot more.
Themes of the book include:
- The above-mentioned things, of course
- Rethinking medicine for the age of chronic disease
- The pros and cons of…
- caloric restriction
- dietary restriction
- intermittent fasting
- Pre-emptive interventions for…
- specific common cause-of-death conditions
- specific common age-related degenerative conditions
- The oft-forgotten extra pillar of longevity: mental health
The last one in the list there is covered mostly in the last chapter of the book, but it’s there as a matter of importance, not as an afterthought. As Dr. Attia puts it, not only are you less likely to take care of your physical health if you are (for example) depressed, but also… “Longevity is meaningless if your life sucks!”
So, it’s important to do things that promote and maintain good physical and mental health.
Bottom line: if you’re interested in happy, healthy, longevity, this is a book for you.
Click here to check out Dr. Attia’s “Outlive” on Amazon today!
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Healthy Living in a Contaminated World – by Dr. Donald Hoernschemeyer
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There’s a lot going on here, as this book tackles very many kinds of common contaminants, from waste products and industrial chemicals (such as from fracking), pesticides that are banned in most places but not the US, smog and soot from coal and oil power, mercury and other heavy metals, dioxins, Teflon and its close relatives, phthalates, BPA, and other things again regulated out of use in many countries but not entirely in the US (which bans them only in some things, like baby bottles), drinking water issues of various kinds, and much more.
Indeed, there’s a whole chapter on the US and international regulation of toxic substances; the problem is often that on a political level, the same people who are against nebulous “chemicals” are also against environmentalist regulations that would ban them. This is mostly not a political book though, and rather is chiefly a book of chemistry (the author’s field).
It does also cover the medical maladies associated with various contaminants, while the bulk of the data is on the chemistry side of such things as “elimination times for toxic chemicals”, “amounts of pesticides in fruit and vegetables”, “antibiotics and hormones used in animal agriculture”, and so forth.
The style is dense, and/but it is clear the author has made an effort to not be too dry. Still, this is not a fun read; it’s depressing in content and the style is more suited to academia. There are appendices containing glossaries and acronym tables, but reading front-to-back, there’s a lot that’s not explained so unless you also are a PhD chemist, chances are you’ll be needing to leaf forwards and backwards a lot.
Bottom line: this book is not thrilling, but what you don’t know, can kill you.
Click here to check out Healthy Living In A Contaminated World, and improve your odds!
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Nutrivore – by Dr. Sarah Ballantyne
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The core idea of this book is that foods can be assigned a numerical value according to their total nutritional value, and that this number can be used to guide a person’s diet such that we will eat, in aggregate, a diet that is more nutritious. So far, so simple.
What Dr. Ballantyne also does, besides explaining and illustrating this system (there are chapters explaining the calculation system, and appendices with values), is also going over what to consider important and what we can let slide, and what things we might need more of to address a wide assortment of potential health concerns. And yes, this is definitely a “positive diet” approach, i.e. it focuses on what to add in, not what to cut out.
The premise of the “positive diet” approach is simple, by the way: if we get a full set of good nutrients, we will be satisfied and not crave unhealthy food.
She also offers a lot of helpful “rules of thumb”, and provides a variety of cheat-sheets and suchlike to make things as easy as possible.
There’s also a recipes section! Though, it’s not huge and it’s probably not necessary, but it’s just one more “she’s thinking of everything” element.
Bottom line: if you’d like a single-volume “Bible of” nutrition-made-easy, this is a very usable tome.
Click here to check out Nutrivore, and start filling up your diet!
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Honey vs Maple Syrup – Which is Healthier?
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Our Verdict
When comparing honey to maple syrup, we picked the honey.
Why?
It was very close, as both have small advantages:
• Honey has some medicinal properties (and depending on type, may contain an antihistamine)
• Maple syrup is a good source of manganese, as well as low-but-present amounts of other mineralsHowever, you wouldn’t want to eat enough maple syrup to rely on it as a source of those minerals, and honey has the lower GI (average 46 vs 54; for comparison, refined sugar is 65), which works well as a tie-breaker.
(If GI’s very important to you, though, the easy winner here would be agave syrup if we let it compete, with its GI of 15)
Read more:
• Can Honey Relieve Allergies?
• From Apples to Bees, and High-Fructose C’sDon’t Forget…
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What is mitochondrial donation? And how might it help people have a healthy baby one day?
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Mitochondria are tiny structures in cells that convert the food we eat into the energy our cells need to function.
Mitochondrial disease (or mito for short) is a group of conditions that affect this ability to generate the energy organs require to work properly. There are many different forms of mito and depending on the form, it can disrupt one or more organs and can cause organ failure.
There is no cure for mito. But an IVF procedure called mitochondrial donation now offers hope to families affected by some forms of mito that they can have genetically related children free from mito.
After a law to allow mitochondrial donation in Australia was passed in 2022, scientists are now preparing for a clinical trial to see if mitochondrial donation is safe and works.
Jonathan Borba/Pexels What is mitochondrial disease?
There are two types of mitochondrial disease.
One is caused by faulty genes in the nuclear DNA, the DNA we inherit from both our parents and which makes us who we are.
The other is caused by faulty genes in the mitochondria’s own DNA. Mito caused by faulty mitochondrial DNA is passed down through the mother. But the risk of disease is unpredictable, so a mother who is only mildly affected can have a child who develops serious disease symptoms.
Mitochondrial disease is the most common inherited metabolic condition affecting one in 5,000 people.
Some people have mild symptoms that progress slowly, while others have severe symptoms that progress rapidly. Mito can affect any organ, but organs that need a lot of energy such as brain, muscle and heart are more often affected than other organs.
Mito that manifests in childhood often involves multiple organs, progresses rapidly, and has poor outcomes. Of all babies born each year in Australia, around 60 will develop life-threatening mitochondrial disease.
What is mitochondrial donation?
Mitochondrial donation is an experimental IVF-based technique that offers people who carry faulty mitochondrial DNA the potential to have genetically related children without passing on the faulty DNA.
It involves removing the nuclear DNA from the egg of someone who carries faulty mitochondrial DNA and inserting it into a healthy egg donated by someone not affected by mito, which has had its nuclear DNA removed.
The donor egg (in blue) has had its nuclear DNA removed. Author provided The resulting egg has the nuclear DNA of the intending parent and functioning mitochondria from the donor. Sperm is then added and this allows the transmission of both intending parents’ nuclear DNA to the child.
A child born after mitochondrial donation will have genetic material from the three parties involved: nuclear DNA from the intending parents and mitochondrial DNA from the egg donor. As a result the child will likely have a reduced risk of mito, or no risk at all.
The procedure removes the faulty DNA to reduce the chance of it passing on to the baby. Josh Willink/Pexels This highly technical procedure requires specially trained scientists and sophisticated equipment. It also requires both the person with mito and the egg donor to have hormone injections to stimulate the ovaries to produce multiple eggs. The eggs are then retrieved in an ultrasound-guided surgical procedure.
Mitochondrial donation has been pioneered in the United Kingdom where a handful of babies have been born as a result. To date there have been no reports about whether they are free of mito.
Maeve’s Law
After three years of public consultation The Mitochondrial Donation Law Reform (Maeve’s Law) Bill 2021 was passed in the Australian Senate in 2022, making mitochondrial donation legal in a research and clinical trial setting.
Maeve’s law stipulates strict conditions including that clinics need a special licence to perform mitochondrial donation.
To make sure mitochondrial donation works and is safe before it’s introduced into Australian clinical practice, the law also specifies that initial licences will be issued for pre-clinical and clinical trial research and training.
We’re expecting one such licence to be issued for the mitoHOPE (Healthy Outcomes Pilot and Evaluation) program, which we are part of, to perfect the technique and conduct a clinical trial to make sure mitochondrial donation is safe and effective.
Before starting the trial, a preclinical research and training program will ensure embryologists are trained in “real-life” clinical conditions and existing mitochondrial donation techniques are refined and improved. To do this, many human eggs are needed.
The need for donor eggs
One of the challenges with mitochondrial donation is sourcing eggs. For the preclinical research and training program, frozen eggs can be used, but for the clinical trial “fresh” eggs will be needed.
One possible source of frozen eggs is from people who have stored eggs they don’t intend to use.
A recent study looked at data on the outcomes of eggs stored at a Melbourne clinic from 2012 to 2021. Over the ten-year period, 1,132 eggs from 128 patients were discarded. No eggs were donated to research because the clinics where the eggs were stored did not conduct research requiring donor eggs.
However, research shows that among people with stored eggs, the number one choice for what to do with eggs they don’t need is to donate them to research.
This offers hope that, given the opportunity, those who have eggs stored that they don’t intend to use might be willing to donate them to mitochondrial donation preclinical research.
As for the “fresh” eggs needed in the future clinical trial, this will require individuals to volunteer to have their ovaries stimulated and eggs retrieved to give those people impacted by mito a chance to have a healthy baby. Egg donors may be people who are friends or relatives of those who enter the trial, or it might be people who don’t know someone affected by mito but would like to help them conceive.
At this stage, the aim is to begin enrolling participants in the clinical trial in the next 12 to 18 months. However this may change depending on when the required licences and ethics approvals are granted.
Karin Hammarberg, Senior Research Fellow, Global and Women’s Health, School of Public Health & Preventive Medicine, Monash University; Catherine Mills, Professor of Bioethics, Monash University; Mary Herbert, Professor, Anatomy & Developmental Biology, Monash University, and Molly Johnston, Research fellow, Monash Bioethics Centre, Monash University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Chorus or Cacophony? Cicada Song Hits Some Ears Harder Than Others
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ST. LOUIS — Shhhooo. Wee-uuu. Chick, chick, chick. That’s the sound of three different cicada species. For some people, those sounds are the song of the summer. Others wish the insects would turn it down. The cacophony can be especially irritating for people on the autism spectrum who have hearing sensitivity.
Warren Rickly, 14, lives in suburban south St. Louis County, Missouri. Warren, who has autism, was at the bus stop recently waiting for his younger brother when the sound of cicadas became too much to bear.
“He said it sounds like there’s always a train running next to him,” his mother, Jamie Reed, said.
Warren told her the noise hurt.
Starting this spring, trillions of the red-eyed insects crawled their way out of the ground across the Midwest and Southeast. It’s part of a rare simultaneous emergence of two broods — one that appears every 13 years, the other every 17.
The noisy insects can be stressful. People with autism can have a sensitivity to texture, brightness, and sound.
“I think the difference for individuals with autism is the level of intensity or how upsetting some of these sensory differences are,” said Rachel Follmer, a developmental and behavioral pediatrician at Lurie Children’s Hospital in Chicago.
“It can get to the extreme where it can cause physical discomfort,” she said.
When a large group of cicadas starts to sing, the chorus can be as loud as a motorcycle. Researchers at the University of Missouri-St. Louis this year crowdsourced cicada noise levels as high as 86 decibels, about as loud as a food blender.
That can be stressful, not melodic, Follmer said.
To help children cope, she suggests giving them a primer before they encounter a noisy situation. For cicadas, that could mean explaining what they are, that they don’t bite or sting, and that they’ll be here for just a short time.
“When something is uncomfortable, not having power in that situation can be very scary for a lot of individuals, whether you’re on the spectrum or not,” Follmer said.
Jamie Reed’s family has been using this and other strategies to help her son. Warren wears noise-canceling headphones, listens to music, and has been teaching himself about cicadas.
“For him, researching it and looking into it I think grounds him a little bit,” Reed said.
Fatima Husain is a professor and neuroscientist at the University of Illinois Urbana-Champaign and studies how the brain processes sound. She said people with tinnitus may also struggle with cicada song.
Tinnitus, a ringing or other noise in the ears, is a person’s perception of sound without an external source.
“Some people say it sounds like buzzing, like wind blowing through trees, and ironically, quite a few people say it sounds like cicadas,” Husain said.
For most people with tinnitus the cicada’s song is harmless background noise, according to Husain, but for others the ringing can prevent easy conversation or sleep. Those with tinnitus are also more likely to have anxiety or depression. A loud persistent sound, like singing cicadas, can make someone’s tinnitus worse, Husain said.
It’s not always bad, though. The cicada’s song can also be a relief.
For some, tinnitus gets worse in a quiet environment. Husain said she’s seen reports this year of patients saying the cicadas’ song has been like soothing white noise.
“The sound is loud enough that in some ways it’s drowning their internal tinnitus,” Husain said.
As loud as the cicadas can be, they won’t necessarily damage anyone’s hearing, according to the Centers for Disease Control and Prevention. Hearing loss builds up over time from repeated exposure to loud sounds. Cicadas aren’t loud enough for long enough to do lasting damage, Husain said.
Everyday sources of noise come with a higher risk. Husain said constant exposure to loud highways, an airport, industrial sites, or household appliances like blenders and hair dryers can be a concern. And they can take a toll on someone’s emotional well-being.
“If you are being exposed to very loud sounds for a part of your school day or your working day, it may make you more stressed out; it may make you more angry about things,” she said.
Unlike the highway or an airport, cicadas won’t be around long. Most of the current brood will be gone in the next few weeks. Just in time for another noisy summer event: the Fourth of July.
KFF Health News is a national newsroom that produces in-depth journalism about health issues and is one of the core operating programs at KFF—an independent source of health policy research, polling, and journalism. Learn more about KFF.
Subscribe to KFF Health News’ free Morning Briefing.
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