Gut Health 2.0
Epigenetics are more than just inherited trauma. Dr. Tim Spector explains how we can improve our epigenetic factors through diet and gut health.
Gene Expression & Gut Health
This is Dr. Tim Spector. After training in medicine and becoming a consultant rheumatologist, he’s turned his attention to medical research, and is these days a specialist in twin studies, genetics, epigenetics, microbiome, and diet.
What does he want us to know?
For one thing: epigenetics are for more than just getting your grandparents’ trauma.
More usefully: there are things we can do to improve epigenetic factors in our body
DNA is often seen as the script by which our body does whatever it’s going to do, but it’s only part of the story. Thinking of DNA as some kind of “magical immutable law of reality” overlooks (to labor the metaphor) script revisions, notes made in the margins, directorial choices, and ad-lib improvizations, as well as the quality of the audience’s hearing and comprehension.
Hence the premise of one of Dr. Spector’s older books, “Identically Different: Why We Can Change Our Genes”
(*in fact, it was his first, from all the way back in 2013, when he’d only been a doctor for 34 years)
Gene expression will trump genes every time, and gene expression is something that can often be changed without getting in there with CRISPR / a big pair of scissors and some craft glue.
How this happens on the micro level is beyond the scope of today’s article; part of it has to do with enzymes that get involved in the DNA transcription process, and those enzymes in turn are despatched or not depending on hormonal messaging—in the broadest sense of “hormonal”; all the body’s hormonal chemical messengers, not just the ones people think of as hormones.
However, hormonal messaging (of many kinds) is strongly influenced by something we can control relatively easily with a little good (science-based) knowledge: the gut.
The gut, the SAD, and the easy
In broad strokes: we know what is good for the gut. We’ve written about it before at 10almonds:
Making Friends With Your Gut (You Can Thank Us Later)
This is very much in contrast with what in scientific literature is often abbreviated “SAD”, the Standard American Diet, which is very bad for the gut.
However, Dr. Spector (while fully encouraging everyone to enjoy an evidence-based gut-healthy diet) wanted to do one better than just a sweeping one-size-fits-all advice, so he set up a big study with 15,000 identical twins; you can read about it here: TwinsUK
The information that came out of that was about a lot more than just gene expression and gut health, but it did provide the foundation for Dr. Spector’s next project, ZOE.
ZOE crowdsources huge amounts of data including individual metabolic responses to standardized meals in order to predict personalized food responses based on individual biology and unique microbiome profile.
In other words, it takes the guesswork out of a) knowing what your genes mean for your food responses b) tailoring your food choices with your genetic expression in mind, and c) ultimately creating a positive feedback loop to much better health on all levels.
Now, this is not an ad for ZOE, but if you so wish, you can…
- Get the free ZOE gut health guide (this is good, but generic, gut health information)
- Take the ZOE home gut health test (quiz followed by offers of lab tests)
- Browse the ZOE Health Academy, its education wing
Want to know more?
Dr. Spector has a bunch of books out, including some that we’ve reviewed previously:
- Spoon-Fed: Why Almost Everything We’ve Been Told About Food Is Wrong
- The Diet Myth: The Real Science Behind What We Eat
- Food for Life: The New Science of Eating Well
You can also check out our own previous main feature, which wasn’t about Dr. Spector’s work but was very adjacent:
The Brain-Gut Highway: A Two-Way Street
Enjoy!
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Stop Cancer 20 Years Ago
Dr. Jenn Simmons shares vital tips on preventing cancer and inflammation, advocating for lifestyle changes and proactive health management at any age.
Get Abreast And Keep Abreast
This is Dr. Jenn Simmons. Her specialization is integrative oncology, as she—then a breast cancer surgeon—got breast cancer, decided the system wasn’t nearly as good from the patients’ side of things as from the doctors’ side, and took to educate herself, and now others, on how things can be better.
What does she want us to know?
Start now
If you have breast cancer, the best time to start adjusting your lifestyle might be 20 years ago, but the second-best time is now. We realize our readers with breast cancer (or a history thereof) probably have indeed started already—all strength to you.
What this means for those of us without breast cancer (or a history therof) is: start now
Even if you don’t have a genetic risk factor, even if there’s no history of it in your family, there’s just no reason not to start now.
Start what, you ask? Taking away its roots. And how?
Inflammation as the root of cancer
To oversimplify: cancer occurs because an accidentally immortal cell replicates and replicates and replicates and takes any nearby resources to keep on going. While science doesn’t know all the details of how this happens, it is a factor of genetic mutation (itself a normal process, without which evolution would be impossible), something which in turn is accelerated by damage to the DNA. The damage to the DNA? That occurs (often as not) as a result of cellular oxidation. Cellular oxidation is far from the only genotoxic thing out there, and a lot of non-food “this thing causes cancer” warnings are usually about other kinds of genotoxicity. But cellular oxidation is a big one, and it’s one that we can fight vigorously with our lifestyle.
Because cellular oxidation and inflammation go hand-in-hand, reducing one tends to reduce the other. That’s why so often you’ll see in our Research Review Monday features, a line that goes something like:
“and now for those things that usually come together: antioxidant, anti-inflammatory, anticancer, and anti-aging”
So, fight inflammation now, and have a reduced risk of a lot of other woes later.
See: How to Prevent (or Reduce) Inflammation
Don’t settle for “normal”
People are told, correctly but not always helpfully, such things as:
- It’s normal to have less energy at your age
- It’s normal to have a weaker immune system at your age
- It’s normal to be at a higher risk of diabetes, heart disease, etc
…and many more. And these things are true! But that doesn’t mean we have to settle for them.
We can be all the way over on the healthy end of the distribution curve. We can do that!
(so can everyone else, given sufficient opportunity and resources, because health is not a zero-sum game)
If we’re going to get a cancer diagnosis, then our 60s are the decade where we’re most likely to get it. Earlier than that and the risk is extant but lower; later than that and technically the risk increases, but we probably got it already in our 60s.
So, if we be younger than 60, then now’s a good time to prepare to hit the ground running when we get there. And if we missed that chance, then again, the second-best time is now:
See: Focusing On Health In Our Sixties
Fast to live
Of course, anything can happen to anyone at any age (alas), but this is about the benefits of living a fasting lifestyle—that is to say, not just fasting for a 4-week health kick or something, but making it one’s “new normal” and just continuing it for life.
This doesn’t mean “never eat”, of course, but it does mean “practice intermittent fasting, if you can”—something that Dr. Simmons strongly advocates.
See: Intermittent Fasting: We Sort The Science From The Hype
While this calls back to the previous “fight inflammation”, it deserves its own mention here as a very specific way of fighting it.
It’s never too late
All of the advices that go before a cancer diagnosis, continue to stand afterwards too. There is no point of “well, I already have cancer, so what’s the harm in…?”
The harm in it after a diagnosis will be the same as the harm before. When it comes to lifestyle, preventing a cancer and preventing it from spreading are very much the same thing, which is also the same as shrinking it. Basically, if it’s anticancer, it’s anticancer, no matter whether it’s before, during, or after.
Dr. Simmons has seen too many patients get a diagnosis, and place their lives squarely in the hands of doctors, when doctors can only do so much.
Instead, Dr. Simmons recommends taking charge of your health as best you are able, today and onwards, no matter what. And that means two things:
- Knowing stuff
- Doing stuff
So it becomes our responsibility (and our lifeline) to educate ourselves, and take action accordingly.
Want to know more?
We recently reviewed her book, and heartily recommend it:
The Smart Woman’s Guide to Breast Cancer – by Dr. Jenn Simmons
Enjoy!