Eat To Beat Cancer
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Controlling What We Can, To Avoid Cancer
Every time a cell in our body is replaced, there’s a chance it will be cancerous. Exactly what that chance is depends on very many factors. Some of them we can’t control; others, we can.
Diet is a critical, modifiable factor
We can’t choose, for example, our genes. We can, for the most part, choose our diet. Why “for the most part”?
- Some people live in a food desert (the Arctic Circle is a good example where food choices are limited by supply)
- Some people have dietary restrictions (whether by health condition e.g. allergy, intolerance, etc or by personal-but-unwavering choice, e.g. vegetarian, vegan, kosher, halal, etc)
But for most of us, most of the time, we have a good control over our diet, and so that’s an area we can and should focus on.
Choose your animal protein wisely
If you are vegan, you can skip this section. If you are not, then the short version is:
- Fish: almost certainly fine
- Poultry: the jury is out; data is leaning towards fine, though
- Red meat: significantly increased cancer risk
- Processed meat: significantly increased cancer risk
For more details (and a run-down on the science behind the above super-summarized version):
- Do We Need Animal Products To Be Healthy? ← A mythbuster article that outlines many health properties (good and bad) of animal products
- The Whys and Hows of Cutting Meats Out Of Your Diet ← A life-hack article about acting on that information
Skip The Ultra-Processed Foods
Ok, so this one’s probably not a shocker in its simplest form:
❝Studies are showing us is that not only do the ultraprocessed foods increase the risk of cancer, but that after a cancer diagnosis such foods increase the risk of dying❞
Source: Is there a connection between ultraprocessed food and cancer?
There’s an unfortunate implication here! If you took the previous advice to heart and cut out [at least some] meat, and/but then replaced that with ultra-processed synthetic meat, then this was not a great improvement in cancer risk terms.
Ultra-processed meat is worse than unprocessed, regardless of whether it was from an animal or was synthetic.
In other words: if you buy textured soy pieces (a common synthetic meat), it pays to look at the ingredients, because there’s a difference between:
- INGREDIENTS: SOY
- INGREDIENTS: Rehydrated Textured SOY Protein (52%), Water, Rapeseed Oil, SOY Protein Concentrate, Seasoning (SULPHITES) (Dextrose, Flavourings, Salt, Onion Powder, Food Starch Modified, Yeast Extract, Colour: Red Iron Oxide), SOY Leghemoglobin, Fortified WHEAT Flour (WHEAT Flour, Calcium Carbonate, Iron, Niacin, Thiamin), Bamboo Fibre, Methylcellulose, Tomato Purée, Salt, Raising Agent: Ammonium Carbonates
Now, most of those original base ingredients are/were harmless per se (as are/were the grapes in wine—before processing into alcohol), but it has clearly been processed to Hell and back to do all that.
Choose the one that just says “soy”. Or eat soybeans. Or other beans. Or lentils. Really there are a lot of options.
About soy, by the way…
There is (mostly in the US, mostly funded by the animal agriculture industry) a lot of fearmongering about soy. Which is ironic, given the amount of soy that is fed to livestock to be fed to humans, but it does bear addressing:
❝Soy foods are safe for all cancer patients and are an excellent source of plant protein. Studies show soy may improve survival after breast cancer❞
Source: Food risks and cancer: What to avoid
(obviously, if you have a soy allergy then you should not consume soy—for most people, the above advice stands, though)
Advanced Glycation End-Products
These (which are Very Bad™ for very many things, including cancer) occur specifically as a result of processing animal proteins and fats.
Note: not even necessarily ultra-processing, just processing can do it. But ultra-processing is worse. What’s the difference, you wonder?
The difference between “ultra-processed” and just “processed”:
- Your average hotdog has been ultra-processed. It’s not only usually been changed with many artificial additives, it’s also been through a series of processes (physical and chemical) and ends up bearing little relation to the creature it came from.
- Your bacon (that you bought fresh from your local butcher, not a supermarket brand of unknown provenance, and definitely not the kind that might come on the top of frozen supermarket pizza) has been processed. It’s undergone a couple of simple processes on its journey “from farm to table”. Remember also that when you cook it, that too is one more process (and one that results in a lot of AGEs).
Read more: What’s so bad about AGEs?
Note if you really don’t want to cut out certain foods, changing the way you cook them (i.e., the last process your food undergoes before you eat it) can also reduce AGES:
Advanced Glycation End Products in Foods and a Practical Guide to Their Reduction in the Diet
Get More Fiber
❝The American Institute for Cancer Research shows that for every 10-gram increase in fiber in the diet, you improve survival after cancer diagnosis by 13%❞
Source: Plant-based diet is encouraged for patients with cancer
Yes, that’s post-diagnosis, but as a general rule of thumb, what is good/bad for cancer when you have it is good/bad for cancer beforehand, too.
If you’re thinking that increasing your fiber intake means having to add bran to everything, happily there are better ways:
Level-Up Your Fiber Intake! (Without Difficulty Or Discomfort)
Enjoy!
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An Apple (Cider Vinegar) A Day…
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An Apple (Cider Vinegar) A Day…
You’ve probably heard of people drinking apple cider vinegar for its health benefits. It’s not very intuitive, so today we’re going to see what the science has to say…
Apple cider vinegar for managing blood sugars
Whether diabetic, prediabetic, or not at all, blood sugar spikes aren’t good for us, so anything that evens that out is worth checking out. As for apple cider vinegar…
Diabetes Control: Is Vinegar a Promising Candidate to Help Achieve Targets?
…the answer found by this study was “yes”, but their study was small, and they concluded that more research would be worthwhile. So…
…was also a small study, with the same (positive) results.
But! We then found a much larger systematic review was conducted, examining 744 previously-published papers, adding in another 14 they found via those. After removing 47 duplicates, and removing another 15 for not having a clinical trial or not having an adequate control, they concluded:
❝In this systematic review and meta-analyses, the effect of vinegar consumption on postprandial glucose and insulin responses were evaluated through pooled analysis of glucose and insulin AUC in clinical trials. Vinegar consumption was associated with a statistically significant reduction in postprandial glucose and insulin responses in both healthy participants and participants with glucose disorder.❞
~ Sishehbor, Mansoori, & Shirani
Check it out:
Apple cider vinegar for weight loss?
Yep! It appears to be an appetite suppressant, probably moderating ghrelin and leptin levels.
But…
As a bonus, it also lowers triglycerides and total cholesterol, while raising HDL (good cholesterol), and that’s in addition to doubling the weight loss compared to control:
How much to take?
Most of these studies were done with 1–2 tbsp of apple cider vinegar in a glass of water, at mealtime.
Obviously, if you want to enjoy the appetite-suppressant effects, take it before the meal! If you forget and/or choose to take it after though, it’ll still help keep your blood sugars even and still give you the cholesterol-moderating benefits.
Where to get it?
Your local supermarket will surely have it. Or if you buy it online, you can even get it in capsule form!
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Escape From The Clutches Of Shame
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We’ve written before about managing various emotions, including “negative” ones. We put that in “scare quotes” because they also all have positive aspects, that are just generally overshadowed by the fact that the emotions themselves are not pleasant. But for example…
We evolved our emotions, including the “negative” ones, for our own benefit as a species:
- Stress keeps us safe by making sure we take important situations seriously
- Anger keeps us safe by protecting us from threats
- Disgust keeps us safe by helping us to avoid things that might cause disease
- Anxiety keeps us safe by ensuring we don’t get complacent
- Guilt keeps us safe by ensuring we can function as a community
- Sadness keeps us safe by ensuring we value things that are important to us, and learn to become averse to losing them
- …and so on
You can read more about how to turn these off (or rather, at least pause them) when they’re misfiring and/or just plain not convenient, here:
While it’s generally considered good to process feelings instead of putting them aside, the fact is that sometimes we have to hold it together while we do something, such that we can later have an emotional breakdown at a convenient time and place, instead of the supermarket or bank or office or airport or while entertaining houseguests or… etc.
Today, though, we’re not putting things aside, for the most part (though we will get to that too).
We’ll be dealing with shame, which is closely linked to the guilt we mentioned in that list there.
See also: Reconsidering the Differences Between Shame and Guilt
Shame’s purpose
Shame’s purpose is to help us (as a community) avoid anti-social behavior for which we might be shamed, and thus exiled from the in-group. It helps us all function better together, which is how we thrive as a species.
Shame, therefore, is often assumed to be something we can (and possibly should) use to ensure that we (ourselves and/or others) “do the right thing”.
But there’s a catch…
Shame only works negatively
You may be thinking “well duh, it’s a negative emotion”, but this isn’t about negativity in the subjective sense, but rather, positive vs negative motivation:
- Positive motivation: motivation that encourages us to do a given thing
- Negative motivation: motivation that encourages us to specifically not do a given thing
Shame is only useful as a negative motivation, i.e., encouraging us to specifically not do a given thing.
Examples:
- You cannot (in any way that sticks, at least) shame somebody into doing more housework.
- You can, however, shame somebody out of drinking and driving.
This distinction matters a lot when it comes to how we are with our children, or with our employees (or those placed under us in a management structure), or with people who otherwise look to us as leaders.
It also matters when it comes to how we are with ourselves.
Here’s a paper about this, by the way, with assorted real-world examples:
The negative side of motivation: the role of shame
From those examples, we can see that attempts to shame someone (including oneself) into doing something positive will generally not only fail, they will actively backfire, and people (including oneself) will often perform worse than pre-shaming.
Looking inwards: healthy vs unhealthy shame
Alcoholics Anonymous and similar programs use a degree of pro-social shame to help members abstain from the the act being shamed.
Rather than the unhelpful shame of exiling a person from a group for doing a shameful thing, however, they take an approach of laying out the shame for all to see, feeling the worst of it and moving past it, which many report as being quite freeing emotionally while still [negatively] motivational to not use the substance in question in the future (and similar for activity-based addictions/compulsions, such as gambling, for example).
As such, if you are trying to avoid doing a thing, shame can be a useful motivator. So by all means, if it’s appropriate to your goals, tell your friends/family about how you are now quitting this or that (be it an addiction, or just something generally unhealthy that you’d like to strike off your regular consumption/activity list).
You will still be tempted! But the knowledge of the shame you would feel as a result will help keep you from straying into that temptation.
If you are trying to do a thing, however, (even something thought of in a negative frame, such as “lose weight”), then shame is not helpful and you will do best to set it aside.
You can shame yourself out of drinking sodas (if that’s your plan), but you can’t shame yourself into eating healthy meals. And even if your plan is just shaming yourself out of eating unhealthy food… Without a clear active positive replacement to focus on instead, all you’ll do there is give yourself an eating disorder. You’ll eat nothing when people are looking, and then either a) also eat next to nothing in private or else b) binge in secret, and feel terrible about yourself, neither of which are any good for you whatsoever.
Similarly, you can shame yourself out of bed, but you can’t shame yourself into the gym:
Let it go
There are some cases, especially those where shame has a large crossover with guilt, that it serves no purpose whatsoever, and is best processed and then put aside.
For example, if you did something that you are ashamed of many years ago, and/or feel guilty about something that you did many years ago, but this is not an ongoing thing for you (i.e., it was a one-off bad decision, or a bad habit that have now long since dropped), then feeling shame and/or guilt about that does not benefit you or anyone else.
As to how to process it and put it aside, if your thing harmed someone else, you could see if there’s a way to try to make amends (even if without confessing ill, such as by acting anonymously to benefit the person/group you harmed).
And then, forgive yourself. Regardless of whether you feel like you deserve it. Make the useful choice, that better benefits you, and by extension those around you.
If you are religious, you may find that of help here too. We’re a health science publication not a theological one, but for example: Buddhism preaches compassion including for oneself. Judaism preaches atonement. Christianity, absolution. For Islam, mercy is one of the holiest ideals of the religion, along with forgiveness. So while religion isn’t everyone’s thing, for those for whom it is, it can be an asset in this regard.
For a more worldly approach:
To Err Is Human; To Forgive, Healthy (Here’s How To Do It) ← this goes for when the forgiveness in question is for yourself, too—and we do write about that there (and how)!
Take care!
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How To Rest More Efficiently (Yes, Really)
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How To Rest More Efficiently (Yes, Really)
We’ve talked before about how to recover more quickly after a workout, especially if you overdid it. There are a lot of tips in that article, so by all means check it out if you didn’t catch it at the time!
That was very specific to recovering from exercise, though. Today we’re looking at something a little different, a little more holistic.
You’re busier than you think
Maybe your life is an obvious blur of busy-ness. Maybe it’s not. But either way, you’re almost certainly busier than you think. Especially on a cellular level.
Your resting metabolic rate (RMR), or how many calories you burn while at rest (i.e., calories used just to keep you alive) will depend on various factors including age, sex, weight, body composition, and other things.
That said, it’ll probably be between 1000 and 2000 calories per day. You can get a rough idea of what it might be for you, using this calculator:
How Many Calories Do You Burn a Day at Rest (Doing Nothing)?
So if ever you wonder why you feel so exhausted, despite having done nothing, it could be that your body was busy:
- Metabolizing, generally (did you have a big meal?)
- Fighting an illness (bacterial or viral infection, for example)
- Fighting an imaginary illness and creating a real one in the process (stress, inflammation, etc)
- Recovering/rebuilding from something you did yesterday or even before that
- Thinking (your brain is your largest organ by mass, and consumes the most calories by far)
Your brain does not get a free pass on being part of your body! Just like if a certain muscle group were working out constantly for 16 hours you’d be feeling pretty tired, the same goes for the organ that is your brain, if it’s been working out constantly.
Your body is a composite organism—take advantage of that
Dolphins can shut down half of their brain at once, to let each hemisphere of the brain sleep independently in shifts. We (except in the case of split brain patients, where the corpus callosum has been severed) can’t do that, but we can let different parts of the organism that is our body work in shifts.
This is the real meaning of “a change is as a good as a rest”:
If you’ve been doing cognitive work (at your desk perhaps, maybe managing a spreadsheet, say), then taking a break to do crosswords will not, actually, give you break. Because you’re still sitting manipulating letters and numbers. As far as your brain (still having to do work!) is concerned, it’s basically the same. Nor will checking out social media; you’re still sitting examining a screen.
Instead, time to get physically active. Literally just doing the washing up would be a better break! Some yoga or Pilates would be perfect.
In contrast, if you’ve been doing a vigorous bit of gardening, then for example taking a break to lift weights isn’t going to be a break, because again you just switched to a similar task.
Better to pick up that book you’ve been meaning to read, or the crosswords we mentioned earlier. Or just lounge in your nicely-gardened garden.
The important thing is: to not require the same resources from the body (including the brain, it’s still part of the body) that you have been.
For more specific tips than we have room for here today, check out:
How to Take Better Breaks at Work, According to Research
Give your metabolism a break too
Not completely—you don’t need to be put into cryostasis or anything.
But, give your metabolism a rest, in relative terms. Intermittent fasting is great for precisely this; it lets your body rest and reset.
See: Intermittent Fasting: we sort the science from the hype!
So does the practice of meditation, by the way. You don’t have to get fancy with it, either:
Check out: No Frills, Evidence-Based Mindfulness
Enjoy, and rest well!
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Sleep Tracking, For Five Million Nights
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5 Sleep Phenotypes, By Actual Science
You probably know people can be broadly divided into “early birds” and “night owls”:
Early Bird Or Night Owl? Genes vs Environment
…and then the term “hummingbird” gets used for a person who flits between the two.
That’s three animals so far. If you read a book we reviewed recently, specifically this one:
The Power of When – by Dr. Michael Breus
…then you may have used the guide within to self-diagnose your circadian rhythm type (chronotype) according to Dr. Breus’s system, which divides people into bears, lions, wolves, and dolphins.
That’s another four animals. If you have a FitBit, it can “diagnose” you with being those and/or a menagerie of others, such as giraffe, hedgehog, parrot, and tortoise:
How Fitbit Developed the Sleep Profile Experience (Part 2 – Sleep Animals)
Five million nights
A team of researchers recently took a step away from this veritable zoo of 11 different animals and counting, and used a sophisticated modelling system to create a spatial-temporal map of people’s sleep habits, and this map created five main “islands” that people’s sleep habits could settle on, or sometimes move from island to island.
Those “five million nights” by the way? It was actually 5,095,798 nights! You might notice that would take from the 2020s to the 15970s to complete, so this was rather a matter of monitoring 33,152 individuals between January and October of the same year. Between them, they got those 5,095,798 nights of sleep (or in some cases, nights of little or no sleep, but still, they were there for the nights).
The five main phenotypes that the researchers found were:
- What we think of as “normal” sleep. In this phenotype, people get about eight hours of uninterrupted sleep for at least six days in a row.
- As above for half the nights, but they only sleep for short periods of time in bouts of less than three hours the other half.
- As per normal sleep, but with one interrupted night per week, consisting of a 5 hour sleep period and then broken sleep for a few more hours.
- As per normal sleep generally, but with occasional nights in which long bouts of sleep are separated by a mid-sleep waking.
- Sleeping for very short periods of time every night. This phenotype was the rarest the researchers found, and represents extremely disrupted sleep.
As you might suspect, phenotype 1 is healthier than phenotype 5. But that’s not hugely informational, as the correlation between getting good sleep and having good health is well-established. So, what did the study teach us?
❝We found that little changes in sleep quality helped us identify health risks. Those little changes wouldn’t show up on an average night, or on a questionnaire, so it really shows how wearables help us detect risks that would otherwise be missed.❞
More specifically,
❝We found that the little differences in how sleep disruptions occur can tell us a lot. Even if these instances are rare, their frequency is also telling. So it’s not just whether you sleep well or not – it’s the patterns of sleep over time where the key info hides❞
…and, which gets to the absolute point,
❝If you imagine there’s a landscape of sleep types, then it’s less about where you tend to live on that landscape, and more about how often you leave that area❞
In other words: if your sleep pattern is not ideal, that’s one thing and it’d probably be good to address it, by improving your sleep. However, if your sleep pattern changes phenotype without an obvious known reason why, this may be considered an alarm bell warning of something else that needs addressing, which may be an underlying illness or condition—meaning it can be worthwhile being a little extra vigilant when it comes to regular health screenings, in case something new has appeared.
Want to read more?
You can read the paper in full here:
Five million nights: temporal dynamics in human sleep phenotypes
Take care!
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Treadmill vs Road
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Have a question or a request? We love to hear from you!
In cases where we’ve already covered something, we might link to what we wrote before, but will always be happy to revisit any of our topics again in the future too—there’s always more to say!
As ever: if the question/request can be answered briefly, we’ll do it here in our Q&A Thursday edition. If not, we’ll make a main feature of it shortly afterwards!
So, no question/request too big or small 😎
❝Why do I get tired much more quickly running outside, than I do on the treadmill? Every time I get worn out quickly but at home I can go for much longer!❞
Short answer: the reason is Newton’s laws of motion.
In other words: on a treadmill, you need only maintain your position in space relative the the Earth while the treadmill moves beneath you, whereas on the road, you need to push against the Earth with sufficient force to move it relative to your body.
Illustrative thought experiment to make that clearer: if you were to stand on a treadmill with roller skates, and hold onto the bar with even just one finger, you would maintain your speed as far as the treadmill’s computer is concerned—whereas to maintain your speed on a flat road, you’d still need to push with your back foot every few yards or so.
More interesting answer: it’s a qualitatively different exercise (i.e. not just quantitively different). This is because of all that pushing you’re having to do on the road, while on a treadmill, the only pushing you have to do is just enough to counteract gravity (i.e. to keep you upright).
As such, both forms of running are a cardio exercise (because simply moving your legs quickly, even without having to apply much force, is still something that requires oxygenated blood feeding the muscles), but road-running adds an extra element of resistance exercise for the muscles of your lower body. Thus, road-running will enable you to build-maintain muscle much more than treadmill-running will.
Some extra things to bear in mind, however:
1) You can increase the resistance work for either form of running, by adding weight (such as by wearing a weight vest):
Weight Vests Against Osteoporosis: Do They Really Build Bone?
…and while road-running will still be the superior form of resistance work (for the reasons we outlined above), adding a weight vest will still be improving your stabilization muscles, just as it would if you were standing still while holding the weight up.
2) Stationary cycling does not have the same physics differences as stationary running. By this we mean: an exercise bike will require your muscles to do just as much pushing as they would on a road. This makes stationary cycling an excellent choice for high intensity resistance training (HIRT):
3) The best form of exercise is the one that you will actually do. Thus, when it’s raining sidewise outside, a treadmill inside will get exercise done better than no running at all. Similarly, a treadmill exercise session takes a lot less preparation (“switch it on”) than a running session outside (“get dressed appropriately for the weather, apply sunscreen if necessary, remember to bring water, etc etc”), and thus is also much more likely to actually occur. The ability to stop whenever one wants is also a reassuring factor that makes one much more likely to start. See for example:
How To Do HIIT (Without Wrecking Your Body)
Take care!
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The Hidden Risk of Stretching: Avoiding Hamstring Injuries in Yoga
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What is Yoga Butt
Have you ever experienced a mysterious pain while stretching, or perhaps during yoga? You might be dealing with “yoga butt,” a common—although rarely discussed—injury. In the below video, the Lovely Liv from Livinleggings shares her journey of discovering, and overcoming, “yoga butt”.
Dealing With Yoga Butt
Yoga butt, or proximal hamstring tendinopathy, occurs when the hamstrings are overstretched without adequate strengthening. Many yoga poses help stretch the hamstrings, but often don’t focus on strengthening said hamstrings; this imbalance is what can lead to damage over time.
To help prevent Yoga butt, it’s essential to balance stretching with strengthening. You can look into incorporating hamstring-strengthening exercises like Romanian deadlifts, hamstring curls, and modified yoga poses into your routine.
(If you’re new to strengthening exercises, we recommend reading Women’s Strength Training Anatomy Workouts or Strength Training for Seniors).
Watch the full video to learn more and hopefully protect yourself from long-term injuries:
Let us know your thoughts, and whether you have any other topics you’d like us to cover.
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