Watermelon vs Grapes – Which is Healthier?
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Our Verdict
When comparing watermelon to grapes, we picked the watermelon.
Why?
It was close! And certainly both are very healthy.
Both fruits are (like most fruits) good sources of water, fiber, vitamins, and minerals. Any sugar content (of which grapes are slightly higher) is offset by their fiber content and polyphenols.
See: Which Sugars Are Healthier, And Which Are Just The Same?
While both are good sources of vitamins A and C, watermelon has about 10x as much vitamin A, and about 6x as much vitamin C (give or take individual plants, how they were grown, etc, but the overall balance is clearly in watermelon’s favor).
When it comes to antioxidants, both fruits are good, but again watermelon is the more potent source. Grapes famously contain resveratrol, and they also contain quercetin, albeit you’d have to eat quite a lot of grapes to get a large portion.
Now, having to eat a lot of grapes might not sound like a terrible fate (who else finds that the grapes are gone by the time the groceries are put away?), but we are comparing the fruits here, and on a list of “100 best foods for quercetin”, for example, grapes took 99th place.
Watermelon’s main antioxidant meanwhile is lycopene, and watermelon is one of the best sources of lycopene in existence (better even than tomatoes).
We’ll have to do a main feature about lycopene sometime soon, so watch this space
Take care!
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Drug Metabolism (When You’re Not Average!)
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When Your Medications Run Out… Of You
Everybody knows that alcohol can affect medications’ effects, but what of smoking, and what of obesity? And how does the alcohol thing work anyway?
It’s all about the enzymes
Medicines that are processed by the liver (which is: most medicines) are metabolized there by specialist enzymes, and the things we do can increase or decrease the quantity of those enzymes—and/or how active they are.
Dr. Kata Wolff Pederson and her team of researchers at Aarhus University in Denmark examined the livers of recently deceased donors in ways that can’t (ethically) be done with live patients, and were able to find the associations between various lifestyle factors and different levels of enzymes responsible for drug metabolism.
And it’s not always how you might think!
Some key things they found:
- Smokers have twice as high levels of enzyme CYP1A2 than non-smokers, which results in the faster metabolism of a lot of drugs.
- Drinkers have 30% higher levels of enzyme CYP2E1, which also results in a faster metabolism of a lot of drugs.
- Patients with obesity have 50% lower levels of enzyme CYP3A4, resulting in slower metabolism of many drugs
This gets particularly relevant when we take into account the next fact:
- Of the individuals in the study, 40% died from poisoning from a mixture of drugs (usually: prescription and otherwise)
Read in full: Sex- and Lifestyle-Related Factors are Associated with Altered Hepatic CYP Protein Levels
Read a pop-sci article about it: Your lifestyle can determine how well your medicine will work
How much does the metabolism speed matter?
It can matter a lot! If you’re taking drugs and carefully abiding by the dosage instructions, those instructions were assuming they know your speed of metabolism, and this is based on an average.
- If your metabolism is faster, you can get too much of a drug too quickly, and it can harm you
- If your metabolism is faster, it also means that while yes it’ll start working sooner, it’ll also stop working sooner
- If it’s a painkiller, that’s inconvenient. If it’s a drug that keeps you alive, then well, that’s especially unfortunate.
- If your metabolism is slower, it can mean your body is still processing the previous dose(s) when you take the next one, and you can overdose (and potentially die)
We touched on this previously when we talked about obesity in health care settings, and how people can end up getting worse care:
As for alcohol and drugs? Obviously we do not recommend, but here’s some of the science of it with many examples:
Why it’s a bad idea to mix alcohol with some medications
Take care!
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The Path To Revenue – by Theresa Marcroft
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So many books about start-ups skip right over the elephant in the room: survivorship bias. Not so for Marcroft! This book contains the most comprehensive and unapologetic treatment of it we’ve seen.
Less “here’s what Steve Jobs did right and here’s what Chocolate-Teapots-For-Dogs-R-Us did wrong; don’t mess up that badly and you’ll be fine”… and more realism. Marcroft gives us a many-angled critical analytic approach. In it, she examines why many things can seem similar in both content and presentation… but can cause growth or failure (and how and why), based on more than anecdotes and luck.
The book is information-dense (taking a marketing-centric approach) and/but well-presented in a very readable format.
If we can find any criticism of the book, it’s less about what’s in it and more about what’s not in it. This can never be a “your start-up bible!” book because it’s not comprehensive. It doesn’t cover assembling your team, for example. Nor does it give a lot of attention to management, preferring to focus on strategy.
But no single book can be all things, and we highly recommend this one—the marketing advice alone is more than worth the cost of the book!
Take Your First Step Along The Path To Revenue By Checking It Out On Amazon!
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The Body: A Guide for Occupants – by Bill Bryson
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Better known for his writings on geography and history, here Bryson puts his mind to anatomy and physiology. How well does he do?
Very well, actually—thanks no doubt to the oversight of the veritable flock of consulting scientists mentioned in the acknowledgements. To this reviewer’s knowledge, no mistakes made it through into publication.
That said, Bryson’s love of history does shine through, and in this case, the book is as much a telling of medical history, as it is of the human body. That’s a feature not a bug, though, as not only is it fascinating in and of itself, but also, it’d be difficult to fully understand where we’re at in science, without understanding how we got here.
The style of the book is easy-reading narrative prose, but packed with lots of quirky facts, captivating anecdotes, and thought-provoking statistics. For example:
- The least effective way to spread germs is kissing. It proved ineffective among volunteers (in what sounds like a fun study) who had been successfully infected with the cold virus. Sneezes and coughs weren’t much better. The only really reliable way to transfer cold germs was physically by touch.
- The United States has 4% of the world’s population but consumes 80% of its opiates.
- Allowing a fever to run its course (within limits) could be the wisest thing. An increase of only a degree or so in body temperature slows the replication rate of viruses by a factor of 200.
Still, these kinds of things are woven together so well, that it doesn’t feel at all like reading a trivia list!
Bottom line: if you’d like to know a lot more about anatomy and physiology, but prefer a very casual style rather than sitting down with a stack of textbooks, this book is a great option.
Click here to check out The Body, and learn more about yours!
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Beyond Guarding Against Dementia
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When Age’s Brain-Changes Come Knocking
This is Dr. Amy Friday. She’s a psychologist, specializing in geropsychology and neuropsychological assessments.
In other words, she helps people optimize their aging experience, particularly in the context of brain changes as we get older.
What does she want us to know?
First: be not afraid
Ominous first words, but the fact is, there’s a lot to find scary about the prospect of memory loss, dementia, and death.
However, as she points out:
- Death will come for us all sooner or later, barring technology as yet unknown
- Dementia can be avoided, or at least stalled, or at least worked around
- Memory loss, as per the above, can be avoided/stalled/managed
We’ve written a little on these topics too:
…or if the death is not yours:
As for avoiding dementia, the below-linked feature is about Alzheimer’s in particular (which accounts for more than half of all cases of dementia), but the advice goes for most of the other kinds too:
How To Reduce Your Alzheimer’s Risk
And finally, about memory loss specifically:
How To Boost Your Memory Immediately (Without Supplements)
this one is especially about cementing into one’s brain the kinds of memories that people most fear losing with age. People don’t worry about forgetting their PIN codes; they worry about forgetting their cherished memories with loved ones. So, if that’s important to you, do consider checking out this one!
What is that about managing or working around the symptoms?
If we’re missing a limb, we (usually) get a prosthetic, and/or learn how to operate without that limb.
If we’re missing sight or hearing, partially or fully, there are disability aids for those kinds of things too (glasses are a disability aid! Something being very common does not make it not a disability; you literally have less of an ability—in this case, the ability to see), and/or we learn how to operate with our different (or missing) sense.
Dr. Friday makes the case for this being the same with memory loss, dementia, and other age-related symptoms (reduced focus, increased mental fatigue, etc):
❝We are all screwed up. Here’s my flavor … what’s yours? This is a favorite saying of mine, because we ARE all screwed up in one way or another, and when we acknowledge it we can feel closer in our screwed-up-edness.
We are all experiencing “normal aging,” so that tip-of-the-tongue phenomenon that starts in our thirties and slowly gets worse is REAL. But what if you’re having more problems than normal aging? Is it time to throw in the towel and hide? I’m hoping that there is a group of people who say HELL NO to that idea.
Let’s use lessons from research and clinical practice to help all of us work around our weaknesses, and capitalize on our strengths. ❞
Examples of this might include:
- Writing down the things most important to you (a short list of information and/or statements that you feel define you and what matters most to you), so that you can read it later
- Making sure you have support (partner, family, friends, etc) who are on the same page about this topic—and thus will actually support you and advocate for you, instead of arguing about what is in your best interest without consulting you.
- Labelling stuff around the house, so that you get less confused about what is what and where it is
- Having a named go-to advocate that you can call / ask to be called, if you are in trouble somewhere and need help that you can rely on
- Getting a specialized, simpler bank account; hiring an accountant if relevant and practicable.
The thing is, we all want to keep control. Sometimes we can do that! Sometimes we can’t, and if we’re going to lose some aspect of control, it’ll generally go a lot better if we do it on our own terms, so that we ourselves can look out for future-us in our planning.
Want to know more?
You might enjoy her blog, which includes also links to her many videos on the topic, including such items as:
- Neuroplasticity – #1 Way To Increase Brain Health
- Which Diet PREVENTS Alzheimer’s? | Best Brain Health Diet
- Stop Anxiety About Dementia & Do I Have Dementia?
For the rest, see:
This Beautiful Brain | The Science Of Brain Health
Enjoy!
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Hardcore Self Help: F**k Anxiety – by Dr. Robert Duff
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We’ve reviewed other anxiety books before, so what makes this one different? Mostly, it’s the style.
Aside from swearing approximately once every two lines (so you might want to skip this one if that would bother you), Dr. Duff’s writing is very down-to-earth in other ways too, making it unpretentiously comfortable and accessible without failing to draw upon the wealth of good-practice, evidence-based advice he has to offer.
To that end, he talks about what anxiety is and isn’t, and goes over various approaches, explaining them in a “about” fashion, and also a “how to” fashion, covering areas such as CBT, somatic therapies, social support, when talk therapy is most likely to help.
The book is a quick read (a modest 74 pages), and it’s refreshing that it hasn’t been padded unnecessarily, unlike a lot of books that could have been a fraction of the size without losing value.
Bottom line: if you (or perhaps someone you care about) would benefit from a straight-to-the-point, no-BS approach to dealing with anxiety (that’s actually evidence-based, not just a “get over it” dismissal), then this is the book for you.
Click here to check out Hardcore Self Help: F**k Anxiety, and indeed do just that!
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How to Eat 30 Plants a Week – by Hugh Fearnley-Whittingstall
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If you’re used to eating the same two fruits and three vegetables in rotation, the “gold standard” evidence-based advice to “eat 30 different plants per week” can seem a little daunting.
Where this book excels is in reminding the reader to use a lot of diverse plants that are readily available in any well-stocked supermarket, but often get forgotten just because “we don’t buy that”, so it becomes invisible on the shelf.
It’s not just a recipe book (though yes, there are plenty of recipes here); it’s also advice about stocking up and maintaining that stock, advice on reframing certain choices to inject a little diversity into every meal without it become onerous, meal-planning rotation advice, and a lot of recipes that are easy but plant-rich, for example “this soup that has these six plants in it”, etc.
He also gives, for those eager to get started, “10 x 3 recipes per week to guarantee your 30”, in other words, 10 sets of 3 recipes, wherein each set of 3 recipes uses >30 different plants between them, such that if we have each of these set-of-three meals over the course of the week, then what we do in the other 4–18 meals (depending on how many meals per day you like to have) is all just a bonus.
The latter is what makes this book an incredibly stress-free approach to more plant-diverse eating for life.
Bottom line: if you want to be able to answer “do you get your five-a-day?” with “you mean breakfast?” because you’ve already hit five by breakfast each day, then this is the book for you.
Click here to check out How To Eat 30 Plants A Week, and indeed eat 30+ different plants per week!
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