Fast Like A Girl – by Dr. Mindy Pelz
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A lot of information out there when it comes to intermittent fasting is very much centered on men in the 25–35 years age range. What about the rest of us?
Our physiological needs are not the same, and it’d be foolhardy to ignore that. But what things do still stand the same, and what things would benefit from a different approach in our cases?
Dr. Pelz has our back with this book packed with information based on the best science currently out there. She gives a general overview of fasting with full consideration to the fact that we the reader may well be female or over a certain age or both. In addition, the book offers:
- Metabolic switching (the “missing key to weight loss”)
- Building a fasting lifestyle (that works with your actual life, not just on paper)
- How to time fasting according to your menstrual cycle (if you don’t have a cycle, she has you covered too)
- How to break a fast—properly (and many other hacks/tips/tricks to make fasting so much easier)
Bottom line: if you want to do intermittent fasting and want to work with rather than against your body, then this book is a fine option.
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The Energy Plan – by James Collins
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There’s a lot of conflicting advice out there about how we should maintain our energy levels, for example:
- Eat fewer carbs!
- Eat more carbs!
- Eat slow-release carbs!
- Eat quick-release carbs!
- Practise intermittent fasting!
- Graze constantly throughout the day!
- Forget carbs and focus on fats!
- Actually it’s all about B-vitamins!
…and so on.
What Collins does differently is something much less-often seen:
Here, we’re advised on how to tailor our meals to our actual lifestyle, taking into account the day we actually have each day. For example:
- What will our energy needs be for the day?
- Will our needs be intense, or long, or both, or neither?
- What kind of recovery have we had, or do we need, from previous activities?
- Do we need to replace lost muscle glycogen, or are we looking to trim the fat?
- Are we doing a power-up or just maintenance today?
Rather than bidding us have a five-way spreadsheet and do advanced mathematics for every meal, though, Collins has done the hard work for us. The book explains the various principles in a casual format with a light conversational tone, and gives us general rules to follow.
These rules cover what to do for different times of day… and also, at different points in our life (the metabolic needs of a 13-year-old, 33-year-old, and 83-year-old, are very different!). That latter’s particularly handy, as a lot of books assume an age bracket for the reader, and this one doesn’t.
In short: a great book for anyone who wants to keep their energy levels up (throughout life’s ups and downs in activity) without piling on the pounds or starving oneself.
Click here to check out The Energy Plan on Amazon and fuel your days better!
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Lemon vs Lime – Which is Healthier?
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Our Verdict
When comparing lemons to limes, we picked the lemons.
Why?
This one’s simple today. They’re both comparable fruits in most ways, and their macro profiles are almost identical. When it comes to vitamins, however, they stand apart a little.
Both are most well-known for their vitamin C content, but lemons contain about 2x the vitamin C of limes.
In other vitamins, they’re not too far apart. Technically limes have 2x the vitamin A, but this doesn’t count for much because it’s a case of “two times almost nothing is still almost nothing”.
In the category of minerals, neither fruit is a very good source of most minerals, and the minerals they do have, are mostly more or less the same.
Both are acidic, and this can have blood sugar benefits in both cases (and, if not careful, damage tooth enamel in both cases). Nothing to set either apart from the other here.
So, it comes down to the vitamin C! In which category, lemons take the prize with their higher content.
Want to learn more?
You might like to read:
10 Ways To Balance Blood Sugars ← where it talks about the use of vinegar here, it’s about the acidity, so lemon juice or lime juice is an option too!
Take care!
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Mythbusting The Big O
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“Early To Bed…”
In yesterday’s newsletter, we asked you for your (health-related) views on orgasms.
But what does the science say?
Orgasms are essential to good health: True or False?
False, in the most literal sense. One certainly won’t die without them. Anorgasmia (the inability to orgasm) is a condition that affects many postmenopausal women, some younger women, and some men. And importantly, it isn’t fatal—just generally considered unfortunate:
Anorgasmia Might Explain Why You’re Not Orgasming When You Want To
That article focuses on women; here’s a paper focusing on men:
Orgasms are good for the health, but marginally: True or False?
True! They have a wide array of benefits, depending on various factors (including, of course, one’s own sex). That said, the benefits are so marginal that we don’t have a flock of studies to cite, and are reduced to pop-science sources that verbally cite studies that are, alas, nowhere to be found, for example:
- For women: 9 Orgasm Benefits That Might Surprise You
- For men: 9 Ways Orgasms May Benefit Your Health
Doubtlessly the studies do exist, but are sparse enough that finding them is a nightmare as the keywords for them will bring up a lot of studies about orgasms and health that aren’t answering the above question (usually: health’s affect on orgasms, rather than the other way around).
There is some good science for post-menopausal women, though! Here it is:
Misconceptions About Sexual Health in Older Women
(if you have the time to read this, this also covers many very avoidable things that can disrupt sexual function, in ways that people will errantly chalk up to old age, not knowing that they are missing out needlessly)
Orgasms are good or bad, depending on being male or female: True or False
False, broadly. The health benefits are extant and marginal for almost everyone, as indicated above.
What’s that “almost” about, then?
There are a very few* people (usually men) for whom it doesn’t go well. In such cases, they have a chronic and lifelong problem whereby orgasm is followed by 2–7 days of flu-like and allergic symptoms. Little is known about it, but it appears to be some sort of autoimmune disorder.
Read more: Post-orgasmic illness syndrome: history and current perspectives
*It’s hard to say for sure how few though, as it is surely under-reported and thus under-diagnosed; likely even misdiagnosed if the patient doesn’t realize that orgasms are the trigger for such episodes, and the doctor doesn’t think to ask. Instead, they will be busy trying to eliminate foods from the diet, things like that, while missing this cause.
Orgasms are better avoided for optimal health: True or False?
Aside from the above, False. There is a common myth for men of health benefits of “semen retention”, but it is not based in science, just tradition. You can read a little about it here:
The short version is: do it if you want; don’t if you don’t; the body will compensate either way so it won’t make a meaningful difference to anything for most people, healthwise.
Small counterpoint: while withholding orgasm (and ejaculation) is not harmful to health, what does physiologically need draining sometimes is prostate fluid. But that can also be achieved mechanically through prostate milking, or left to fend for itself (as it will in nocturnal emissions, popularly called wet dreams). However, if you have problems with an enlarged prostate, it may not be a bad idea to take matters into your own hands, so to speak. As ever, do check with your doctor if you have (or think you may have) a condition that might affect this.
One final word…
We’re done with mythbusting for today, but we wanted to share this study that we came across (so to speak) while researching, as it’s very interesting:
On which note: if you haven’t already, consider getting a “magic wand” style vibe; you can thank us later (this writer’s opinion: everyone should have one!).
Top tip: do get the kind that plugs into the wall, not rechargeable. The plug-into-the-wall kind are more powerful, and last much longer (both “in the moment”, and in terms of how long the device itself lasts).
Enjoy!
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What’s Your Plant Diversity Score?
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We speak often about the importance of dietary diversity, and of that, especially diversity of plants in one’s diet, but we’ve never really focused on it as a main feature, so that’s what we’re going to do today.
Specifically, you may have heard the advice to “eat 30 different kinds of plants per week”. But where does that come from, and is it just a number out of a hat?
The magic number?
It is not, in fact, a number out of a hat. It’s from a big (n=11,336) study into what things affect the gut microbiome for better or for worse. It was an observational population study, championing “citizen science” in which volunteers tracked various things and collected and sent in various samples for analysis.
The most significant finding of this study was that those who consumed more than 30 different kinds of plants per week, had a much better gut microbiome than those who consumed fewer than 10 different kinds of plants per week (there is a bell curve at play, and it gets steep around 10 and 30):
American Gut: an Open Platform for Citizen Science Microbiome Research
Why do I care about having a good gut microbiome?
Gut health affects almost every other kind of health; it’s been called “the second brain” for the various neurotransmitters and other hormones it directly makes or indirectly regulates (which in turn affect every part of your body), and of course there is the vagus nerve connecting it directly to the brain, impacting everything from food cravings to mood swings to sleep habits.
See also:
Any other benefits?
Yes there are! Let’s not forget: as we see often in our “This or That” section, different foods can be strong or weak in different areas of nutrition, so unless we want to whip out a calculator and database every time we make food choices, a good way to cover everything is to simply eat a diverse diet.
And that goes not just for vitamins and minerals (which would be true of animal products also), but in the case of plants, a wide range of health-giving phytochemicals too:
Measuring Dietary Botanical Diversity as a Proxy for Phytochemical Exposure
Ok, I’m sold, but 30 is a lot!
It is, but you don’t have to do all 30 in your first week of focusing on this, if you’re not already accustomed to such diversity. You can add in one or two new ones each time you go shopping, and build it up.
As for “what counts”: we’re counting unprocessed or minimally-processed plants. So for example, an apple is an apple, as are dried apple slices, as is apple sauce. Any or all of those would count as 1 plant type.
Note also that we’re counting types, not totals. If you’re having apple slices with apple sauce, for some reason? That still only counts as 1.
However, while apple sauce still counts as apples (minimally processed), you cannot eat a cake and say “that’s 2 because there was wheat and sugar cane somewhere in its dim and distant history”.
Nor is your morning espresso a fruit (by virtue of coffee beans being the fruit of the plant, botanically speaking). However, it would count as 1 plant type if you eat actual coffee beans—this writer has been known to snack on such; they’re only healthy in very small portions though, because their saturated fat content is a little high.
You, however, count grains in general, as well as nuts and seeds, not just fruits and vegetables. As for herbs and spices, they count for ¼ each, except for salt, which might get lumped in with spices but is of course not a plant.
How to do it
There’s a reason we’re doing this in our Saturday Life Hacks edition. Here are some tips for getting in far more plants than you might think, a lot more easily than you might think:
- Buy things ready-mixed. This means buying the frozen mixed veg, the frozen mixed chopped fruit, the mixed nuts, the mixed salad greens etc. This way, when you’re reaching for one pack of something, you’re getting 3–5 different plants instead of one.
- Buy things individually, and mix them for storage. This is a more customized version of the above, but in the case of things that keep for at least a while, it can make lazy options a lot more plentiful. Suddenly, instead of rice with your salad you’re having sorghum, millet, buckwheat, and quinoa. This trick also works great for dried berries that can just be tipped into one’s morning oatmeal. Or, you know, millet, oats, rye, and barley. Suddenly, instead of 1 or 2 plants for breakfast you have maybe 7 or 8.
- Keep a well-stocked pantry of shelf-stable items. This is good practice anyway, in case of another supply-lines shutdown like at the start of the COVID-19 pandemic. But for plant diversity, it means that if you’re making enchiladas, then instead using kidney beans because that’s what’s in the cupboard, you can raid your pantry for kidney beans, black beans, pinto beans, fava beans, etc etc. Yes, all of them; that’s a list, not a menu.
- Shop in the discount section of the supermarket. You don’t have shop exclusively there, but swing by that area, see what plants are available for next to nothing, and buy at least one of each. Figure out what to do with it later, but the point here is that it’s a good way to get suggestions of plants that you weren’t actively looking for—and novelty is invariably a step into diversity.
- Shop in a different store. You won’t be able to beeline the products you want on autopilot, so you’ll see other things on the way. Also, they may have things your usual store doesn’t.
- Shop in person, not online—at least as often as is practical. This is because when shopping for groceries online, the store will tend to prioritize showing you items you’ve bought before, or similar items to those (i.e. actually the same item, just a different brand). Not good for trying new things!
- Consider a meal kit delivery service. Because unlike online grocery shopping, this kind of delivery service will (usually) provide you with things you wouldn’t normally buy. Our sometimes-sponsor Purple Carrot is a fine option for this, but there are plenty of others too.
- Try new recipes, especially if they have plants you don’t normally use. Make a note of the recipe, and go out of your way to get the ingredients; if it seems like a chore, reframe it as a little adventure instead. Honestly, it’s things like this that keep us young in more ways than just what polyphenols can do!
- Hide the plants. Whether or not you like them; hide them just because it works in culinary terms. By this we mean; blend beans into that meaty sauce; thicken the soup with red lentils, blend cauliflower into the gravy. And so on.
One more “magic 30”, while we’re at it…
30g fiber per day makes a big (positive) difference to many aspects of health. Obviously, plants are where that comes from, so there’s a big degree of overlap here, but most of the tips we gave are different, so for double the effectiveness, check out:
Level-Up Your Fiber Intake! (Without Difficulty Or Discomfort)
Enjoy!
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Apples vs Oranges – Which is Healthier?
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Our Verdict
When comparing apples to oranges, we picked the oranges.
Why?
In terms of macros, the two fruits are approximately equal (and indeed, on average, precisely equal in the most important metric, which is fiber). So, a tie here.
In the category of vitamins, apples are higher in vitamin K, while oranges are higher in vitamins A, B1, B2, B3, B5, B6, B7, B9, C, and choline. An easy win for oranges this time.
When it comes to minerals, apples have more iron and manganese, while oranges have more calcium, copper, magnesium, phosphorus, potassium, selenium, and zinc. Another easy win for oranges.
So, adding up the sections, a clear win for oranges. But, by all means, enjoy either or both! Diversity is good.
Want to learn more?
You might like to read:
From Apples to Bees, and High-Fructose Cs: Which Sugars Are Healthier, And Which Are Just The Same?
Take care!
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Calculate (And Enjoy) The Perfect Night’s Sleep
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This is Dr. Michael Breus, a clinical psychologist and sleep specialist, and he wants you to get a good night’s sleep, every night.
First, let’s assume you know a lot of good advice about how to do that already in terms of environment and preparation, etc. If you want a recap before proceeding, then we recommend:
Get Better Sleep: Beyond The Basics
Now, what does he want to add?
Wake up refreshed
Of course, how obtainable this is will depend on the previous night’s sleep, but there is something important we can do here regardless, and it’s: beat sleep inertia.
Sleep inertia is what happens when we wake up groggy (for reasons other than being ill, drugged, etc) rather than refreshed. It’s not actually related to how much sleep we have, though!
Rather, it pertains to whether we woke up during a sleep cycle, or between cycles:
- If we wake up between sleep cycles, we’ll avoid sleep inertia.
- If we wake up during a sleep cycle, we’ll be groggy.
Deep sleep generally occurs in 90-minute blocks, albeit secretly that is generally 3× 20 minute blocks in a trenchcoat, with transition periods between, during which the brainwaves change frequency.
REM sleep generally occurs in 20 minute blocks, and will usually arrive in series towards the end of our natural sleep period, to fit neatly into the last 90-minute cycle.
Sometimes these will appear a little out of order, because we are complicated organic beings, but those are the general trends.
In any case, the take-away here is: interrupt them at your peril. You need to wake up between cycles. There are two ways you can do this:
- Carefully calculate everything, and set a very precise alarm clock (this will work so long as you are correct in guessing how long it will take you to fall asleep)
- Use a “sunrise” lamp alarm clock, that in the hour approaching your set alarm time, will gradually increase the light. Because the body will not naturally wake up during a cycle unless a threat is perceived (loud noise, physical rousing, etc), the sunrise lamp method means that you will wake up between sleep cycles at some point during that hour (towards the beginning or end, depending on what your sleep balance/debt is like).
Do not sleep in (even if you have a sleep debt); it will throw everything out.
Caffeine will not help much in the morning
Assuming you got a reasonable night’s sleep, your brain has been cleansed of adenosine (a sleepy chemical), and if you are suffering from sleep inertia, the grogginess is due to melatonin (a different sleepy chemical).
Caffeine is an adenosine receptor blocker, so that will do nothing to mitigate the effects of melatonin in your brain that doesn’t have any meaningful quantity of adenosine in it in the morning.
Adenosine gradually accumulates in the brain over the course of the day (and then gets washed out while we sleep), so if you’re sleepy in the afternoon (for reasons other than: you just had a nap and now have sleep inertia again), then caffeine can block that adenosine in the afternoon.
Of course, caffeine is also a stimulant (it increases adrenaline levels and promotes vasoconstriction), but its effects at healthily small doses are modest for most people, and you’d do better by splashing cold water on your face and/or listening to some upbeat music.
Learn more: The Two Sides Of Caffeine
Time your naps correctly (if you take naps)
Dr. Breus has a lot to say about this, based on a lot of clinical research, but as it’s entirely consistent with what we’ve written before (based on the exact same research), to save space we’ll link to that here:
How To Be An Expert Nap-Artist (With No “Sleep-Hangovers”)
Calculate your bedtime correctly
Remember what we said about sleep cycles? This means that that famous “7–9 hours sleep” is actually “either 7½ or 9 hours sleep”—because those are multiples of 90 minutes, whereas 8 hours (for example) is not.
So, consider the time you want to get up (ideally, this should be relatively early, and the same time every day), and then count backwards either 7½ or 9 hours sleep (you choose), add 20–30 minutes to fall asleep, and that’s your bedtime.
So for example: if you want to have 7½ hours sleep and get up at 6am, then your bedtime is anywhere between 10pm and 10:10pm.
Remember how we said not to sleep in, even if you have a sleep debt? Now is the time to pay it off, if you have one. If you normally sleep 7½ hours, then make tonight a 9-hour sleep (plus 20–30 minutes to fall asleep). This means you’ll still get up at 6am, but your bedtime is now anywhere between 8:30pm and 8:40pm.
Want to know more from Dr. Breus?
You might like this excellent book of his that we reviewed a while back:
The Power of When – by Dr. Michael Breus
Enjoy!
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