Whole – by Dr. T. Colin Campbell
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Most of us have at least a broad idea of what we’re supposed to be eating, what nutrients we should be getting. Many of us look at labels, and try to get our daily dose of this and that and the other.
And what we don’t get from food? There are supplements.
Dr. Campbell thinks we can do better:
Perhaps most critical in this book, where it stands out from others (we may already know, for example, that we should try to eat diverse plants and whole foods) is its treatment of why many supplements aren’t helpful.
We tend to hear “supplements are a waste of money” and sometimes they are, sometimes they aren’t. How to know the difference?
Key: things directly made from whole food sources will tend to be better. Seems reasonable, but… why? The answer lies in what else those foods contain. An apple may contain a small amount of vitamin C, less than a vitamin C tablet, but also contains a whole host of other things—tiny phytonutrients, whose machinations are mostly still mysteries to us—that go with that vitamin C and help it work much better. Lab-made supplements won’t have those.
There’s a lot more to the book… A chunk of which is a damning critique of the US healthcare system (the author argues it would be better named a sicknesscare system). We also learn about getting a good balance of macro- and micronutrients from our diet rather than having to supplement so much.
The style is conversational, while not skimping on the science. The author has had more than 150 papers published in peer-reviewed journals, and is no stranger to the relevant academia. Here, however, he focuses on making things easily comprehensible to the lay reader.
In short: if you’ve ever wondered how you’re doing at getting a good nutritional profile, and how you could do better, this is definitely the book for you.
Click here to check out “Whole” on Amazon today, and level up your daily diet!
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Margarine vs Butter – Which is Healthier
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Our Verdict
When comparing margarine to butter, we picked the butter.
Why?
Once upon a time, when margarines were filled with now-banned trans fats, this would have been an easy win for butter.
Nowadays, the macronutrient/lipid profiles are generally more similar (although margarine often has a little less saturated fat), except one thing that butter has in its favor:
More micronutrients. What exactly they are (and how much) depends on the diet and general health of the cows from whom the milk to make the butter came, but they’re not something found in plant-based butter alternatives at this time.
Nevertheless, because of the saturated fat content, it’s not advisable to use more than a very small amount of either (two tablespoons of butter would put one at the daily limit already, without eating any other saturated fat that day).
Read more: Butter vs Margarine
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How To Grow New Brain Cells (At Any Age)
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How To Grow New Brain Cells (At Any Age)
It was long believed that brain growth could not occur later in life, due to expending our innate stock of pluripotent stem cells. However, this was mostly based on rodent studies.
Rodent studies are often used for brain research, because it’s difficult to find human volunteers willing to have their brains sliced thinly (so that the cells can be viewed under a microscope) at the end of the study.
However, neurobiologist Dr. Maura Boldrini led a team that did a lot of research by means of autopsies on the hippocampi of (previously) healthy individuals ranging in age from 14 to 79.
What she found is that while indeed the younger subjects did predictably have more young brain cells (neural progenitors and immature neurons), even the oldest subject, at the age of 79, had been producing new brain cells up until death.
Read her landmark study: Human Hippocampal Neurogenesis Persists throughout Aging
There was briefly a flurry of news articles about a study by Dr. Shawn Sorrels that refuted this, however, it later came to light that Dr. Sorrels had accidentally destroyed his own evidence during the cell-fixing process—these things happen; it’s just unfortunate the mistake was not picked up until after publication.
A later study by a Dr. Elena Moreno-Jiménez fixed this flaw by using a shorter fixation time for the cell samples they wanted to look at, and found that there were tens of thousands of newly-made brain cells in samples from adults ranging from 43 to 87.
Now, there was still a difference: the samples from the youngest adult had 30% more newly-made braincells than the 87-year-old, but given that previous science thought brain cell generation stopped in childhood, the fact that an 87-year-old was generating new brain cells 30% less quickly than a 43-year-old is hardly much of a criticism!
As an aside: samples from patients with Alzheimer’s also had a 30% reduction in new braincell generation, compared to samples from patients of the same age without Alzheimer’s. But again… Even patients with Alzheimer’s were still growing some new brain cells.
Read it for yourself: Adult hippocampal neurogenesis is abundant in neurologically healthy subjects and drops sharply in patients with Alzheimer’s disease
Practical advice based on this information
Since we can do neurogenesis at any age, but the rate does drop with age (and drops sharply in the case of Alzheimer’s disease), we need to:
Feed your brain. The brain is the most calorie-consuming organ we have, by far, and it’s also made mostly of fat* and water. So, get plenty of healthy fats, and get plenty of water.
*Fun fact: while depictions in fiction (and/or chemically preserved brains) may lead many to believe the brain has a rubbery consistency, the untreated brain being made of mostly fat and water gives it more of a blancmange-like consistency in reality. That thing is delicate and spatters easily. There’s a reason it’s kept cushioned inside the strongest structure of our body, far more protected than anything in our torso.
Exercise. Specifically, exercise that gets your blood pumping. This (as our earlier-featured video today referenced) is one of the biggest things we can do to boost Brain-Derived Neurotrophic Factor, or BDNF.
Here be science: Brain-Derived Neurotrophic Factor, Depression, and Physical Activity: Making the Neuroplastic Connection
However, that’s not the only way to increase BDNF; another is to enjoy a diet rich in polyphenols. These can be found in, for example, berries, tea, coffee, and chocolate. Technically those last two are also botanically berries, but given how we usually consume them, and given how rich they are in polyphenols, they merit a special mention.
See for example: Effects of nutritional interventions on BDNF concentrations in humans: a systematic review
Some supplements can help neuron (re)growth too, so if you haven’t already, you might want to check out our previous main feature on lion’s mane mushroom, a supplement which does exactly that.
For those who like videos, you may also enjoy this TED talk by neuroscientist Dr. Sandrine Thuret:
Prefer text? Click here to read the transcript
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Jamaican Coconut Rice
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This is a great dish that can be enjoyed hot or cold, as a main or as a side. It has carbs, proteins, healthy fats, fiber, as well as an array of healthy phytochemicals. Not to mention, a great taste!
You will need
- 1 cup wholegrain basmati rice (it may also be called “brown basmati rice“; this is the same) (traditional recipe calls for pudding rice, but we’re going with the healthier option here)
- 2 cans (each 12 z / 400g) coconut milk
- 2 cups (or 2 cans, of which the drained weight is comparable to a cup each) cooked black beans. If you cook them yourself, this is better, as you will be able to cook them more al dente than you can get from a can, and this firmness is desirable. But canned is fine if that’s what’s available.
- 1 large red onion, finely chopped
- ½ cup low-sodium vegetable stock (ideally you made this yourself from vegetable offcuts you saved in the freezer for this purpose, but failing that, low-sodium stock cubes can be bought at any large supermarket)
- 2 serrano chilis, finely chopped
- 1 Scotch bonnet chili, without doing anything to it
- 1 tbsp black pepper, coarse ground
- 1 tbsp chia seeds
- 1 tbsp coconut oil
- Garnish: parsley, chopped
Note: we have erred on the side of low-heat when it comes to the chilis. If you know that you and (if applicable) everyone else eating would enjoy more heat, add more heat. If not, let extra heat be added at the table via your hot sauce of choice. Sounds heretical, but it ensures everyone gets the right amount! It’s easy to add heat than to take it out, after all.
However: if you do end up with too much heat in this or any other dish, adding acid will usually help to neutralize that. In the case of this dish, we’d recommend lime juice as a complementary flavor.
Method
(we suggest you read everything at least once before doing anything)
1) In a big sauté pan, add the coconut oil, melt it if not already melted, and add the chopped onion and the chopped chilis, at a temperature sufficient to sizzle. Keep them all moving. Once the coconut oil is absorbed into the onion (this will happen before the onion is fully cooked), add the vegetable stock, followed by the coconut milk; mix it all gently to create a smooth consistency.
2) Add the rice, chia seeds, and black pepper; mix it all gently but thoroughly; turn the temperature to a simmer, and add the Scotch bonnet chili, without cutting it at all.
3) Cover and keep on low for about 20–30 minutes until the rice is looking done. Check on it periodically to make sure it’s not running out of liquid, but resist the urge to stir it; it shouldn’t be burning but paradoxically, once you start stirring you can’t stop or it will definitely burn.
4) Take out the Scotch bonnet chili, and discard*. Add the black beans.
*its job was to add flavor without adding the high-level heat of that particular chili. If you’re a regular heat-fiend, feel free to experiment with using sliced Scotch bonnet chilis instead of serrano chilis; just be aware that there’s a big difference in heat. Only do this if you really like heat. Using it the way we described in the main recipe is what’s traditional in the Caribbean, by the way.
5) Now you can (and in fact must) stir, to mix in the black beans and bring them back to temperature within the dish. Be aware that once you start stirring, you need to keep stirring until you’re ready to take it off the heat.
6) Serve, adding the parsley garnish.
(this example went light on the beans; our recipe includes more for a heartier dish)
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- Should You Go Light Or Heavy On Carbs?
- Our Top 5 Spices: How Much Is Enough For Benefits?
- Why You’re Probably Not Getting Enough Fiber (And How To Fix It)
- Burn! How To Boost Your Metabolism
- Capsaicin For Weight Loss And Against Inflammation
Take care!
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What’s the difference between ‘strep throat’ and a sore throat? We’re developing a vaccine for one of them
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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.
It’s the time of the year for coughs, colds and sore throats. So you might have heard people talk about having a “strep throat”.
But what is that? Is it just a bad sore throat that goes away by itself in a day or two? Should you be worried?
Here’s what we know about the similarities and differences between strep throat and a sore throat, and why they matter.
Prostock-studio/Shutterstock How are they similar?
It’s difficult to tell the difference between a sore throat and strep throat as they look and feel similar.
People usually have a fever, a bright red throat and sometimes painful lumps in the neck (swollen lymph nodes). A throat swab can help diagnose strep throat, but the results can take a few days.
Thankfully, both types of sore throat usually get better by themselves.
How are they different?
Most sore throats are caused by viruses such as common cold viruses, the flu (influenza virus), or the virus that causes glandular fever (Epstein-Barr virus).
These viral sore throats can occur at any age. Antibiotics don’t work against viruses so if you have a viral sore throat, you won’t get better faster if you take antibiotics. You might even have some unwanted antibiotic side-effects.
But strep throat is caused by Streptococcus pyogenes bacteria, also known as strep A. Strep throat is most common in school-aged children, but can affect other age groups. In some cases, you may need antibiotics to avoid some rare but serious complications.
In fact, the potential for complications is one key difference between a viral sore throat and strep throat.
Generally, a viral sore throat is very unlikely to cause complications (one exception is those caused by Epstein-Barr virus which has been associated with illnesses such as chronic fatigue syndrome, multiple sclerosis and certain cancers).
But strep A can cause invasive disease, a rare but serious complication. This is when bacteria living somewhere on the body (usually the skin or throat) get into another part of the body where there shouldn’t be bacteria, such as the bloodstream. This can make people extremely sick.
Invasive strep A infections and deaths have been rising in recent years around the world, especially in young children and older adults. This may be due to a number of factors such as increased social mixing at this stage of the COVID pandemic and an increase in circulating common cold viruses. But overall the reasons behind the increase in invasive strep A infections are not clear.
Another rare but serious side effect of strep A is autoimmune disease. This is when the body’s immune system makes antibodies that react against its own cells.
The most common example is rheumatic heart disease. This is when the body’s immune system damages the heart valves a few weeks or months after a strep throat or skin infection.
Around the world more than 40 million people live with rheumatic heart disease and more than 300,000 die from its complications every year, mostly in developing countries.
However, parts of Australia have some of the highest rates of rheumatic heart disease in the world. More than 5,300 Indigenous Australians live with it.
Strep throat is caused by Streptococcus bacteria and can be treated with antibiotics if needed. Kateryna Kon/Shutterstock Why do some people get sicker than others?
We know strep A infections and rheumatic heart disease are more common in low socioeconomic communities where poverty and overcrowding lead to increased strep A transmission and disease.
However, we don’t fully understand why some people only get a mild infection with strep throat while others get very sick with invasive disease.
We also don’t understand why some people get rheumatic heart disease after strep A infections when most others don’t. Our research team is trying to find out.
How about a vaccine for strep A?
There is no strep A vaccine but many groups in Australia, New Zealand and worldwide are working towards one.
For instance, Murdoch Children’s Research Institute and Telethon Kids Institute have formed the Australian Strep A Vaccine Initiative to develop strep A vaccines. There’s also a global consortium working towards the same goal.
Companies such as Vaxcyte and GlaxoSmithKline have also been developing strep A vaccines.
What if I have a sore throat?
Most sore throats will get better by themselves. But if yours doesn’t get better in a few days or you have ongoing fever, see your GP.
Your GP can examine you, consider running some tests and help you decide if you need antibiotics.
Kim Davis, General paediatrician and paediatric infectious diseases specialist, Murdoch Children’s Research Institute; Alma Fulurija, Immunologist and the Australian Strep A Vaccine Initiative project lead, Telethon Kids Institute, and Myra Hardy, Postdoctoral Researcher, Infection, Immunity and Global Health, Murdoch Children’s Research Institute
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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This Is When Your Muscles Are Strongest
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Dr. Karyn Esser is a professor in the Department of Physiology and Aging at the University of Florida, where she’s also the co-director of the University of Florida Older Americans Independence Center, and she has insights to share on when it’s best to exercise:
It’s 4–5pm
Surprise, no clickbait or burying the lede!
This goes regardless of age or sex, but as we get older, it’s common for our circadian rhythm to weaken, which may result in a tendency to fluctuate a bit more.
However, since it’s healthy to keep one’s circadian rhythm as stable as reasonably possible, this is a good reason to try to keep our main exercise focused around that time of day, as it provides a sort of “anchor point” for the rest of our day to attach to, so that our body can know what time it is relative to that.
It’s also the most useful time of day to exercise, because most exercises give benefits proportional to progressive overloading, so training at our peak efficiency time will give the most efficient results. So much for those 5am runs!
On which note: while the title says “strongest” and the thumbnail has dumbbells, this does go for all different types of exercises that have been tested.
For more details on all of the above, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
The Circadian Rhythm: Far More Than Most People Know
Take care!
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Psychedelics and Psychotherapy – Edited by Dr. Tim Read & Maria Papaspyrou
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A quick note on authorship, first: this book is edited by the psychiatrist and psychotherapist credited above, but after the introductory section, the rest of the chapters are written by experts on the individual topics.As such, the style will vary somewhat, from chapter to chapter.
What this book isn’t: “try drugs and feel better!”
Rather, the book explores the various ways in which assorted drugs can help people to—even if just briefly—shed things they didn’t know they were carrying, or otherwise couldn’t put down, and access parts of themselves they otherwise couldn’t.
We also get to read a lot about the different roles the facilitator can play in guiding the therapeutic process, and what can be expected out of each kind of experience. This varies a lot from one drug to another, so it makes for very worthwhile reading, if that’s something you might consider pursuing. Knowledge makes for much more informed choices!
Bottom line: if you’re curious about the therapeutic potential of psychedelics, and want a reference that’s more personal than dry clinical studies, but still more “safe and removed” than diving in by yourself, this is the book for you.
Click here to check out Psychedelics and Psychotherapy, and expand your understanding!
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