Kiwi vs Lime – Which is Healthier?
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Our Verdict
When comparing kiwi to lime, we picked the kiwi.
Why?
Looking at the macros first, kiwi has more protein, more carbs, and more fiber. As with most fruits, the fiber is the number we’re most interested in for health purposes; in this case, kiwi is just slightly ahead of lime on all three of those.
In terms of vitamins, kiwi has more of vitamins A, B2, B3, B6, B9, C, E, K, and choline, while lime has a tiny bit more vitamin B5. As in, the vitamin that’s in pretty much anything and is practically impossible to be deficient in unless you are literally starving to death. You may be thinking: aren’t limes a famously good source of vitamin C? And yes, yes they are. But kiwis have >3x more. In other big differences, kiwis also have >6x more vitamin E and >67 times more vitamin K.
When it comes to minerals, kiwi has more calcium, copper, magnesium, manganese, phosphorus, potassium, and zinc, while lime has more iron and selenium. Another easy win for kiwis.
In short: enjoy both; both are good. But kiwis are the more nutritionally dense option by almost every way of measuring it.
Want to learn more?
You might like to read:
Top 8 Fruits That Prevent & Kill Cancer ← kiwi is top of the list; it promotes cancer cell death while sparing healthy cells
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Avocado vs Blueberries – Which is Healthier?
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Our Verdict
When comparing avocado to blueberries, we picked the avocado.
Why?
These two fruits aren’t as similar as some of the comparisons we’ve made—we often go for “can be used in the same way culinarily” comparisons. But! They are both popularly in the “superfood” category, so it’s interesting to consider:
In terms of macros, avocado has more protein, (healthy!) fat, and fiber, while blueberries have more carbs. An easy win for avocado here, unless you’re on a calorie-controlled diet perhaps, since avocado is also higher in those. About that fat; it’s mostly monounsaturated, with some polyunsaturated and saturated, and is famously a good source of omega-3 in the form of ALA.
In the category of vitamins, avocado has more of vitamins A, B1, B2, B3, B5, B6, B7, B9, C, E, K, and choline, while blueberries are not higher in any vitamins. So, not a tricky decision here.
When it comes to minerals, avocado has more calcium, copper, iron, magnesium, phosphorus, potassium, selenium, and zinc, while blueberries are higher in manganese. Another win for avocados.
There is one other category that’s important to consider in this case, and that’s polyphenols. We’d be here all day if we listed them all, but in total, blueberries have about 1193x the polyphenol content that avocados do. Blueberries got the reputation for antioxidant properties for a reason; it is well-deserved!
So, out of the two, we declare avocado the overall more nutritious of the two, but blueberries absolutely deserve the acclaim they get also.
Want to learn more?
You might like to read:
Give Us This Day Our Daily Dozen
Take care!
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Why it’s a bad idea to mix alcohol with some medications
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Anyone who has drunk alcohol will be familiar with how easily it can lower your social inhibitions and let you do things you wouldn’t normally do.
But you may not be aware that mixing certain medicines with alcohol can increase the effects and put you at risk.
When you mix alcohol with medicines, whether prescription or over-the-counter, the medicines can increase the effects of the alcohol or the alcohol can increase the side-effects of the drug. Sometimes it can also result in all new side-effects.
How alcohol and medicines interact
The chemicals in your brain maintain a delicate balance between excitation and inhibition. Too much excitation can lead to convulsions. Too much inhibition and you will experience effects like sedation and depression.
Alcohol works by increasing the amount of inhibition in the brain. You might recognise this as a sense of relaxation and a lowering of social inhibitions when you’ve had a couple of alcoholic drinks.
With even more alcohol, you will notice you can’t coordinate your muscles as well, you might slur your speech, become dizzy, forget things that have happened, and even fall asleep.
Alcohol can affect the way a medicine works.
Jonathan Kemper/UnsplashMedications can interact with alcohol to produce different or increased effects. Alcohol can interfere with the way a medicine works in the body, or it can interfere with the way a medicine is absorbed from the stomach. If your medicine has similar side-effects as being drunk, those effects can be compounded.
Not all the side-effects need to be alcohol-like. Mixing alcohol with the ADHD medicine ritalin, for example, can increase the drug’s effect on the heart, increasing your heart rate and the risk of a heart attack.
Combining alcohol with ibuprofen can lead to a higher risk of stomach upsets and stomach bleeds.
Alcohol can increase the break-down of certain medicines, such as opioids, cannabis, seizures, and even ritalin. This can make the medicine less effective. Alcohol can also alter the pathway of how a medicine is broken down, potentially creating toxic chemicals that can cause serious liver complications. This is a particular problem with paracetamol.
At its worst, the consequences of mixing alcohol and medicines can be fatal. Combining a medicine that acts on the brain with alcohol may make driving a car or operating heavy machinery difficult and lead to a serious accident.
Who is at most risk?
The effects of mixing alcohol and medicine are not the same for everyone. Those most at risk of an interaction are older people, women and people with a smaller body size.
Older people do not break down medicines as quickly as younger people, and are often on more than one medication.
Older people also are more sensitive to the effects of medications acting on the brain and will experience more side-effects, such as dizziness and falls.
Smaller and older people are often more affected.
Alfonso Scarpa/UnsplashWomen and people with smaller body size tend to have a higher blood alcohol concentration when they consume the same amount of alcohol as someone larger. This is because there is less water in their bodies that can mix with the alcohol.
What drugs can’t you mix with alcohol?
You’ll know if you can’t take alcohol because there will be a prominent warning on the box. Your pharmacist should also counsel you on your medicine when you pick up your script.
The most common alcohol-interacting prescription medicines are benzodiazepines (for anxiety, insomnia, or seizures), opioids for pain, antidepressants, antipsychotics, and some antibiotics, like metronidazole and tinidazole.
Medicines will carry a warning if you shouldn’t take them with alcohol.
Nial WheateIt’s not just prescription medicines that shouldn’t be mixed with alcohol. Some over-the-counter medicines that you shouldn’t combine with alcohol include medicines for sleeping, travel sickness, cold and flu, allergy, and pain.
Next time you pick up a medicine from your pharmacist or buy one from the local supermarket, check the packaging and ask for advice about whether you can consume alcohol while taking it.
If you do want to drink alcohol while being on medication, discuss it with your doctor or pharmacist first.
Nial Wheate, Associate Professor of the School of Pharmacy, University of Sydney; Jasmine Lee, Pharmacist and PhD Candidate, University of Sydney; Kellie Charles, Associate Professor in Pharmacology, University of Sydney, and Tina Hinton, Associate Professor of Pharmacology, University of Sydney
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Are You A Calorie-Burning Machine?
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Burn, Calorie, Burn
In Tuesday’s newsletter, we asked you whether you count calories, and got the above-depicted, below-described set of answers:
- About 56% said “I am somewhat mindful of calories but keep only a rough tally”
- About 32% said “I do not count calories / I don’t think it’s important for my health”
- About 13% said “I rigorously check and record the calories of everything I consume”
So what does the science say, about the merits of all these positions?
A food’s calorie count is a good measure of how much energy we will, upon consuming the food, have to use or store: True or False?
False, broadly. It can be, at best, a rough guideline. Do you know what a calorie actually is, by the way? Most people don’t.
One thing to know before we get to that: there’s “cal” vs “kcal”. The latter is generally used when it comes to foodstuffs, and it’s what we’ll be meaning whenever we say “calorie” here. 1cal is 1/1000th of a kcal, that’s all.
Now, for what a calorie actually is:
A calorie is the amount of energy needed to raise the temperature of 1 liter of water by 1℃
Question: so, how to we measure how much food is needed to do that?
Answer: by using a bomb calorimeter! Which is the exciting name for the apparatus used to literally burn food and capture the heat produced to indeed raise the temperature of 1 liter of water by 1℃.
If you’re having trouble imagining such equipment, here it is:
Bomb Calorimeter: Definition, Construction, & Operation (with diagram and FAQs)
The unfortunate implication of the above information
A kilogram of sawdust contains about a 1000 kcal, give or take what wood was used and various other conditions.
However, that does not mean you can usefully eat the sawdust. In other words:
Calorie count tells us only how good something is at raising the temperature of water if physically burned.
Now do you see why oils and sugars have such comparably high calorie counts?
And while we may talk about “burning calories” as a metaphor, we do not, in fact, have a little wood stove inside us burning the food we eat.
A calorie is a calorie: True or False?
Definitely False! Building on from the above… We will get very little energy from sawdust; it’s not just that we can’t use it; we can’t store it either; it’ll mostly pass through as fiber.
(however, please do not use sawdust to get your daily dose of fiber either, as it is not safe for human consumption and may give you diseases, depending on what is lurking in it)
But let’s look at oil and sugar, two very high-calorie categories of food, because they’re really easy to physically burn and they give off a good flame.
A bomb calorimeter may treat them quite equally, but to our body, they are metabolically very different indeed.
For a start, most sugars will get absorbed and processed much more quickly than most oils, and that can overwhelm the liver (responsible for glycogen management), and lead to non-alcoholic fatty liver disease, diabetes, and more. Metabolic syndrome in general, and if you keep it up too much and you may find it’s now a lottery between dying of NAFLD, diabetes, or heart disease (it’ll usually be the heart disease that kills).
See also:
- Which Sugars Are Healthier, And Which Are Just The Same?
- 10 Ways To Balance Blood Sugars
- How To Unfatty A Fatty Liver
Meanwhile, we know all about the different kinds of nutritional profiles that oils can have, and some can promote having high energy without putting on fat, while others can strain the heart. Not even “a fat is a fat”, so “a calorie is a calorie” doesn’t get much mileage outside of a bomb calorimeter!
See also:
A calorie-controlled / calorie-restricted diet is an effective weight loss strategy: True or False?
True, usually! Surprise!
- On the one hand: calories are a wildly imprecise way to reckon the value of food, and using them as a guide to health can be dangerously misleading
- On the other hand: the very activity of calorie-counting itself promotes mindful eating, which is very good for the health
There is a strong difference between the mind of somebody who is carefully logging their pre-bedtime piece of chocolate and reflecting on its nutritional value, vs someone who isn’t sure whether this is their second or third glass of wine, nor how much the glass contained.
So if you want to get most of the benefits of a calorie-controlled diet without counting calories, you may try taking a “mindful eating” approach to diet.
However! If you want to do this for weight loss, be aware, that you will have to practice it all the time, not just for one meal here and there.
You can read more on how to do “mindful eating” here:
Dr. Rupy Aujla: The Kitchen Doctor | Mindful Eating & Interoception
Take care!
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Moringa Oleifera Against CVD, Diabetes, Alzheimer’s & Arsenic?
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The Healthiest Drumstick
Moringa oleifera is a tree, whose leaves and pods have medicinal properties (as well as simply being very high in nutrients). It’s also called the drumstick tree in English, but equally often it’s referred to simply as Moringa. It has enjoyed use in traditional medicine for thousands of years, and its many benefits have caught scientists’ attention more recently. For an overview before we begin, see:
Now, let’s break it down…
Anti-inflammatory
It is full of antioxidants, which we’ll come to shortly, and they have abundant anti-inflammatory effects. Research into these so far has mostly beennon-human animal studies or else in vitro, hence the guarded “potential” for now:
Potential anti-inflammatory phenolic glycosides from the medicinal plant Moringa oleifera fruits
Speaking of potential though, it has been found to also reduce neuroinflammation specifically, which is good, because not every anti-inflammatory agent does that:
Antioxidant
It was hard to find studies that talked about its antioxidant powers that didn’t also add “and this, and this, and this” because of all its knock-on benefits, for example:
❝The results indicate that this plant possesses antioxidant, hypolipidaemic and antiatherosclerotic activities and has therapeutic potential for the prevention of cardiovascular diseases.
These effects were at degrees comparable to those of simvastatin.❞
~ Dr. Pilaipark Chumark et al.
Likely a lot of its benefits in these regards come from the plant’s very high quercetin content, because quercetin does that too:
Quercetin reduces blood pressure in hypertensive subjects
For more about quercetin, you might like our previous main feature:
Fight Inflammation & Protect Your Brain, With Quercetin
Antidiabetic
It also has been found to lower fasting blood sugar levels by 13.5%:
Anti-arsenic?
We put a question mark there, because studies into this have only been done with non-human animals such as mice and rats so far, largely because there are not many human volunteers willing to sign up for arsenic poisoning (and no ethics board would pass it anyway).
However, as arsenic contamination in some foods (such as rice) is a big concern, this is very promising. Here are some example studies, with mice and rats respectively:
- Protective effects of Moringa oleifera Lam. leaves against arsenic-induced toxicity in mice
- Therapeutic effects of Moringa oleifera on arsenic-induced toxicity in rats
Is it safe?
A popular food product through parts of Africa and (especially) South & West Asia, it has a very good safety profile. Generally the only health-related criticism of it is that it contains some anti-nutrients (that hinder bioavailability of its nutrients), but the nutrients outweigh the antinutrients sufficiently to render this a trifling trivium.
In short: as ever, do check with your doctor/pharmacist to be sure, but in general terms, this is about as safe as most vegan whole foods; it just happens to also be something of a superfood, which puts it into the “nutraceutical” category. See also:
Review of the Safety and Efficacy of Moringa oleifera
Want to try some?
We don’t sell it, but here for your convenience is an example product on Amazon 😎
Enjoy!
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Common Sense Labs: Blood Labs Demystified – by Dr. Ken Berry & Kim Howerton
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Most people, if given their test results as a set of numbers, will have no idea what they mean.
And a doctor or nurse saying “this is good”, “this is a bit low”, “this is very high” etc isn’t that much more informative, as it doesn’t really give a true feel for the information.
Dr. Berry produced this book to bridge that knowledge gap, and in his words, “put the power of health back in the hands of the people”. The book also covers what blood tests to recommend annually (finding common recommendations insufficient), and how to go about asking for those if your doctor might be keen to brush you off.
This is a short book (weighing in at a lithe 78 pages), but the information contained therein is very dense, and very convenient to have it all in one place.
As one Amazon reviewer wrote,
❝Someone said you can find the information on the Internet, but I would say good luck with that. It will be many many many hours compiling the gold that is in this book.❞
Writer’s anecdote: indeed, I recently had 14 blood tests done as part of a regular checkup (I’m pleased to report I could not be in better health), and while interpreting the results, I had to look up a lot of things (which were often in the wrong units*), and if I’d had this book already, it would have been a breeze, as it covers everything I had done!
*On which note, this book does provide results in US and International units, so you won’t be left wondering how to convert mmol/mol into mmol/L or mg/dL or such.
Bottom line: if you are a person who has blood, this book will at some point be of immense value to you, if not immediately!
Click here to check out Common Sense Labs, and understand what your blood is saying!
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The Brain-Skin Doctor
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Of Brains And Breakouts
Today’s spotlight is on Dr. Claudia Aguirre. She’s a molecular neuroscientist, and today she’s going to be educating us about skin.
What? Why?
When we say “neuroscience”, we generally think of the brain. And indeed, that’s a very important part of it.
We might think about eyes, which are basically an extension of the brain.
We don’t usually think about skin, which (just like our eyes) is constantly feeding us a lot of information about our surroundings, via a little under three million nerve endings. Guess where the other ends of those nerves lead!
There’s a constant two-way communication going on between our brain and our skin.
What does she want us to know?
Psychodermatology
The brain and the skin talk to each other, and maladies of one can impact the other:
- Directly, e.g. stress prompting skin breakouts (actually this is a several-step process physiologically, but for the sake of brevity we’ll call this direct)
- Indirectly, e.g. nervous disorders that result in people scratching or picking at their skin, which prompts a whole vicious cycle of one thing making the other worse
Read more: Psychodermatology: The Brain-Skin Connection
To address both kinds of problems, clearly something beyond moisturizer is needed!
Mindfulness (meditation and beyond)
Mindfulness is a well-evidenced healthful practice for many reasons, and Dr. Aguirra argues the case for it being good for our skin too.
As she points out,
❝Cultural stress and anxiety can trigger or aggravate many skin conditions—from acne to eczema to herpes, psoriasis, and rosacea.
Conversely, a disfiguring skin condition can trigger stress, anxiety, depression, and even suicide.
Chronic, generalized anxiety can create chronic inflammation and exacerbate inflammatory skin conditions, such as those I mentioned previously.
Chronic stress can result in chronic anxiety, hypervigilance, poor sleep, and a whole cascade of effects resulting in a constant breakdown of tissues and organs, including the skin.❞
So, she recommends mindfulness-based stress reduction (MBSR), for the above reasons, along with others!
Read more: Mind Matters
How to do it: No-Frills, Evidence-Based Mindfulness
And as for “and beyond?”
Do you remember in the beginning of the pandemic, when people were briefly much more consciously trying to avoid touching their faces so much? That, too, is mindfulness. It may have been a stressed and anxious mindfulness for many*, but mindfulness nonetheless.
*which is why “mindfulness-based stress reduction” is not a redundant tautology repeated more than once unnecessarily, one time after another 😉
So: do try to keep aware of what you are doing to your skin, and so far as is reasonably practicable, only do the things that are good for it!
The skin as an endocrine organ
Nerves are not the only messengers in the body; hormones do a lot of our body’s internal communication too. And not just the ones everyone remembers are hormones (e.g. estrogen, testosterone, although yes, they do both have a big impact on skin too), but also many more, including some made in the skin itself!
Dr. Aguirra gives us a rundown of common conditions, the hormones behind them, and what we can do if we don’t want them:
Read more: Rethinking The Skin As An Endocrine Organ
Take-away advice:
For healthy skin, we need to do more than just hydrate, get good sleep, have good nutrition, and get a little sun (but not too much).
- We should also practice mindfulness-based stress reduction, and seek help for more serious mental health issues.
- We should also remember the part our hormones play in our skin, and not just the obvious ones.
Did you know that vitamin D is also a hormone, by the way? It’s not the only hormone at play in your skin by a long way, but it is an important one:
Society for Endocrinology | Vitamin D
Want to know more?
You might like this interview with Dr. Aguirre:
The Brain in Our Skin: An Interview with Dr. Claudia Aguirre
Take care!
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