
Pineapple vs Passion Fruit – Which is Healthier?
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Our Verdict
When comparing pineapple to passion fruit, we picked the passion fruit.
Why?
Both are certainly great, and both have won their respective previous comparisons! And this one’s close:
In terms of macros, passion fruit has about 4x the protein, nearly 2x the carbs, and more than 7x the fiber. So, this one’s a clear and overwhelming win for passion fruit.
Vitamins are quite close; pineapple has more of vitamins B1, B5, B6, B9, and C, while passion fruit has more of vitamins A, B2, B3, and choline. So, a 5:4 marginal win for pineapple.
When it comes to minerals, pineapple has more calcium, copper, manganese, and zinc, while passion fruit has more iron, manganese, phosphorus, potassium, and selenium. Superficially, this would be a 5:5 tie, but looking at the numbers, passion fruit’s margins of difference are much greater, which means it gives the better overall mineral coverage, and thus wins the category.
Looking at polyphenols, pineapple wins this category with its variety of lignans, while passion fruit has just secoisolariciresinol, of which pineapple has more anyway. Plus, not a polyphenol but doing much of the same job of same, pineapple has bromelain, which is unique to it. So pineapple wins on the phytochemicals reckoning.
Adding up the sections and weighting them for importance (e.g. what a difference it makes to health) and statistical relevance (e.g. greater or smaller margins of difference) makes for a nominal passion fruit win, but like we say, both of these fruits are great, so enjoy both!
Want to learn more?
You might like to read:
Bromelain vs Inflammation & Much More
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From straight to curly, thick to thin: here’s how hormones and chemotherapy can change your hair
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Head hair comes in many colours, shapes and sizes, and hairstyles are often an expression of personal style or cultural identity.
Many different genes determine our hair texture, thickness and colour. But some people’s hair changes around the time of puberty, pregnancy or after chemotherapy.
So, what can cause hair to become curlier, thicker, thinner or grey?
Curly or straight? How hair follicle shape plays a role
Hair is made of keratin, a strong and insoluble protein. Each hair strand grows from its own hair follicle that extends deep into the skin.
Curly hair forms due to asymmetry of both the hair follicle and the keratin in the hair.
Follicles that produce curly hair are asymmetrical and curved and lie at an angle to the surface of the skin. This kinks the hair as it first grows.
The asymmetry of the hair follicle also causes the keratin to bunch up on one side of the hair strand. This pulls parts of the hair strand closer together into a curl, which maintains the curl as the hair continues to grow.
Follicles that are symmetrical, round and perpendicular to the skin surface produce straight hair.
Each hair strand grows from its own hair follicle.
Mosterpiece/ShutterstockLife changes, hair changes
Our hair undergoes repeated cycles throughout life, with different stages of growth and loss.
Each hair follicle contains stem cells, which multiply and grow into a hair strand.
Head hairs spend most of their time in the growth phase, which can last for several years. This is why head hair can grow so long.
Let’s look at the life of a single hair strand. After the growth phase is a transitional phase of about two weeks, where the hair strand stops growing. This is followed by a resting phase where the hair remains in the follicle for a few months before it naturally falls out.
The hair follicle remains in the skin and the stems cells grow a new hair to repeat the cycle.
Each hair on the scalp is replaced every three to five years.
Each hair on the scalp is replaced every three to five years.
Just Life/ShutterstockHormone changes during and after pregnancy alter the usual hair cycle
Many women notice their hair is thicker during pregnancy.
During pregnancy, high levels of oestrogen, progesterone and prolactin prolong the resting phase of the hair cycle. This means the hair stays in the hair follicle for longer, with less hair loss.
A drop in hormones a few months after delivery causes increased hair loss. This is due to all the hairs that remained in the resting phase during pregnancy falling out in a fairly synchronised way.
Hair can change around puberty, pregnancy or after chemotherapy
This is related to the genetics of hair shape, which is an example of incomplete dominance.
Incomplete dominance is when there is a middle version of a trait. For hair, we have curly hair and straight hair genes. But when someone has one curly hair gene and one straight hair gene, they can have wavy hair.
Hormonal changes that occur around puberty and pregnancy can affect the function of genes. This can cause the curly hair gene of someone with wavy hair to become more active. This can change their hair from wavy to curly.
Researchers have identified that activating specific genes can change hair in pigs from straight to curly.
Chemotherapy has very visible effects on hair. Chemotherapy kills rapidly dividing cells, including hair follicles, which causes hair loss. Chemotherapy can also have genetic effects that influence hair follicle shape. This can cause hair to regrow with a different shape for the first few cycles of hair regrowth.
Your hair can change at different stages of your life.
Igor Ivakhno/ShutterstockHormonal changes as we age also affect our hair
Throughout life, thyroid hormones are essential for production of keratin. Low levels of thyroid hormones can cause dry and brittle hair.
Oestrogen and androgens also regulate hair growth and loss, particularly as we age.
Balding in males is due to higher levels of androgens. In particular, high dihydrotestosterone (sometimes shortened to DHT), which is produced in the body from testosterone, has a role in male pattern baldness.
Some women experience female pattern hair loss. This is caused by a combination of genetic factors plus lower levels of oestrogen and higher androgens after menopause. The hair follicles become smaller and smaller until they no longer produce hairs.
Reduced function of the cells that produce melanin (the pigment that gives our hair colour) is what causes greying.
Theresa Larkin, Associate professor of Medical Sciences, University of Wollongong
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Top 10 Causes Of High Blood Pressure
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As Dr. Frita Fisher explains, these are actually the top 10 known causes of high blood pressure. Number zero on the list would be “primary hypertension”, which means high blood pressure with no clear underlying cause.
Superficially, this feels a little like the sometime practice of writing the catch-all “heart failure” as the cause of death on a death certificate, because yes, that heart sure did stop beating. But in reality, primary hypertension is most likely often caused by such things as unmanaged chronic stress—something that doesn’t show up on most health screenings.
Dr. Fisher’s Top 10
- Thyroid disease: both hyperthyroidism and hypothyroidism can cause high blood pressure.
- Obstructive sleep apnea: characterized by snoring, daytime sleepiness, and headaches, this condition can lead to hypertension.
- Chronic kidney disease: diseases ranging from diabetic nephropathy to renal vascular disease can cause high blood pressure.
- Elevated cortisol levels: conditions like Cushing’s syndrome or disease, which involve high cortisol levels, can lead to hypertension—as can a lifestyle with a lot of chronic stress, but that’s less readily diagnosed as such than something one can tell from a blood test.
- Elevated aldosterone levels: excess aldosterone from the adrenal glands causes the body to retain salt and water, increasing blood pressure, because more stuff = more pressure.
- Brain tumor: tumors that increase intracranial pressure can cause a rise in blood pressure to ensure adequate brain perfusion. In these cases, the hypertension is keeping you alive—unless it kills you first. If this seems like a strange bodily response, remember that our bodily response to an infection is often fever, to kill off the infection which can’t survive at such high temperatures (but neither can we, so it becomes a game of chicken with our life on the line), so sometimes our body does kill us with one thing while trying to save us from another.
- Coarctation of the aorta: this congenital heart defect results in narrowing of the aorta, leading to hypertension, especially in the upper body.
- Pregnancy: pregnancy can either induce or worsen existing hypertension.
- Obesity: excess weight increases blood flow and pressure on arteries, raising the risk of hypertension and associated conditions, e.g. diabetes etc.
- Drugs: certain medications and recreational drugs (including, counterintuitively, alcohol!) can elevate blood pressure.
For more information on each of these, enjoy:
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Want to learn more?
You might also like to read:
Hypertension: Factors Far More Relevant Than Salt
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Body Scrubs: Benefits, Risks, and Guidance
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It’s Q&A Day at 10almonds!
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
❝I was wondering whether I should be using a body scrub in the shower, rather than just soap. What should guide me in the choice of a body scrub, and are there any risks to be aware of?❞
Body scrubs are great for giving skin a healthy glow, but are best used sparingly—over-exfoliation leads to the opposite effect (unhappy skin, premature skin aging, etc).
As for contents:
- microplastics are now banned in most places, but you might want to check any products (and their containers!) are BPA-free, pthalate free, etc.
- fragrances in body scrubs are usually a bad idea, and many essential oils have been shown to be endocrine-disruptors, which you do not want:
About the microplastics, harmful artificial chemicals in general, and what constitutes “etc”:
About the fragrances’ (including “natural” essential oils’) endocrine-disrupting shenanigans:
Endocrine-disrupting chemicals: an Endocrine Society scientific statement
So, what might you want to use instead?
If you’re feeling adventurous, you might like to try treating yourself to a pineapple-based mask instead (a muslin cloth soaked in pineapple juice will work just fine; please don’t waterboard yourself though), as the bromelain enzymes (found very generously in pineapple juice) break down dead cells without the need for scrubbing.
Another option is a homemade salt- or sugar-scrub. Put your salt or sugar into a jar, add enough warm water to cover it, leave it for about a day, adding more water if it seems in danger of drying out, until it recrystallizes with a high water content keeping it malleable to the touch; congratulations, you now have a very simple scrub. This should still not be used more than, say, once per week, though.
Last but not least, you might consider investing in a konjac sponge; they gently remove dead skin without damaging living skin. Here’s an example product on Amazon, for your convenience
For more on gentle-yet-effective skincare, you might like to read:
Clean: The New Science of Skin and the Beauty of Doing Less
Enjoy!
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How To Clean Your Brain (Glymphatic Health Primer)
10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.
That’s not a typo! The name “glymphatic system” was coined by the Danish neuroscientist Dr. Maiken Nedergaard, and is a nod to its use of glial cells to do a similar job to that of the peripheral lymphatic system—but this time, in the CNS. Today, we have Dr. Jin Sung to tell us more:
Brainwashing (but not like that)
The glymphatic system may sound like a boring job, but so does “sanitation worker” in a city—yet the city would grind to a messy halt very very quickly without them. Same goes for your brain.
Diseases that are prevalent when this doesn’t happen the way it should include Alzheimer’s (beta-amyloid clearance) and Parkinson’s (alpha-synuclein clearance) amongst others.
Things Dr. Sung recommends for optimal glymphatic function include: sleep (7–9 hours), exercise (30–45 minutes daily), hydration (half your bodyweight in pounds, in ounces, so if your body weighs 150 lbs, that means 75 oz of water), good posture (including the use of good ergonomics, e.g. computer monitor at right height, car seat correct, etc), stress reduction (reduces inflammatory cytokines), getting enough omega-3 (the brain needs certain fats to work properly, and this is the one most likely to see a deficit), vagal stimulation (methods include humming, gargling, and gagging—please note we said vagal stimulation; easy to misread at a glance!), LED light therapy, and fasting (intermittent or prolonged).
For more on each of these, including specific tips, enjoy:
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Want to learn more?
You might also like to read:
- Ask Not What Your Lymphatic System Can Do For You…
- The Vagus Nerve (And How You Can Make Use Of It)
- Casting Yourself In A Healthier Light
- Intermittent Fasting: How Does It Work?
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Cilantro vs Parsley – Which is Healthier?
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Our Verdict
When comparing cilantro to parsley, we picked the parsley.
Why?
Notwithstanding that some of our recipes include “cilantro, or if you have the this-tastes-like-soap gene, parsley”, that choice is more for the taste profile than the nutrition profile. Both are good, though, and it is quite close!
Like many herbs, they’re both full of vitamins and minerals and assorted phytochemicals.
In the category of vitamins, they’re both very good sources of vitamins A, C, and K, but parsley has more of each (and in vitamin K’s case, 4–5 times more). Parsley also has about twice as much folate. For the other vitamins, they’re mostly quite equal except that cilantro has more vitamin E.
When it comes to minerals, again they’re both good but again parsley is better on average, with several times more iron, and about twice as much calcium, zinc, and magnesium. Cilantro only wins noticeably for selenium.
Both have an array of anti-inflammatory phytochemicals, and each boasts antioxidants with anticancer potential.
Both have mood-improving qualities and have research for their anxiolytic and antidepressant effects—sufficient that these deserve their own main feature sometime.
For now though, we’ll say: healthwise, these two wonderful herbs are equal on most things, except that parsley has the better micronutrient profile.
Enjoy!
Further reading
You might also enjoy:
Herbs For (Evidence-Based) Health & Healing
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Turmeric: Raw Root, Powder, Tea, Or…?
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It’s Q&A Day at 10almonds!
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 😎
❝Is turmeric infused water better or chewing half an inch of raw turmeric better? I am trying to work on my immunity as this year I have suffered the most with my allergies in the last 20 years. In case you can guide me, I will be thankful.❞
Great question! First of all, a quick recap of the properties of turmeric (and its relevant active compound, curcumin)
Let’s do a quick run-down:
- It fights inflammation, and thus helps fight many diseases where inflammation is a factor (ranging from atherosclerosis to arthritis to Alzheimer’s and more)
- It has powerful antioxidant effects too
- It boosts brain-derived neurotropic factor (BDNF) and thus improves memory and attention
- It helps protect against heart disease…
- …and can give a 65% decreased risk of experiencing a heart attack
- It can help prevent cancer, and reduce cancerous lesions by 40%
- It’s also good against depression
- It even slows aging
If you take curcumin with black pepper, it allows your body to use the curcumin around 2,000% better. This goes whether you’re cooking with both, or take them as a supplement (they’re commonly sold as a combo-capsule for this reason).
Note: you mentioned an infusion or chewing the root, so perhaps you are not having black pepper with either of those. That’s fine, but try to have it near to black pepper (for example, perhaps while cooking a meal in which you use black pepper, so you take the turmeric and then you eat the meal).
Extra note: in fact, that’s ideal, because curcumin is fat-soluble, so having it with (or near in time to) consuming fats (such as perhaps used in cooking) is a great way to do it.
Curcumin vs allergies, specifically
For any thinking “that wasn’t on the list”… It was hidden! It comes with curcumin’s anti-inflammatory and antioxidant powers.
See for example:
- Modulation of the Immune Response to Allergies Using Alternative Functional Foods ← turmeric is one of the functional foods discussed
- Turmeric extract alleviates airway inflammation via oxidative stress-driven MAPKs/MMPs pathway ← this is important to dial down an inappropriate immune response, e.g. an allergy
- Dietary Polyphenols, Plant Metabolites, and Allergic Disorders: A Comprehensive Review ← again, turmeric is a key player
- Development of fast-dissolving sublingual nanofibers containing allergen and curcumin for immune response modulation in a mouse model of allergic rhinitis ← allergic rhinitis = “seasonal allergies” and similar respiratory allergic responses
- DES/O microemulsion for solubilizing and delivering curcumin via the nasal administration to treat acute asthma ← similar mechanism of action
food vs supplement
You didn’t ask this, but it’ll be helpful for understanding if we quickly cover this first.
- Turmeric root is just that: a root, which contains abundant phytochemicals, and/but is not at all standardized in dosage
- Curcumin extract, on the other hand, have been standardized, optimized, and are metabolized much more quickly
…which latter can be a problem, because it’s been taken apart and used for scrap metabolites faster than the body could actually make use of the curcumin as-is.
The black pepper hack fixes this, by the way, because of how it improves absorption.
You may be thinking: isn’t this going to cause the same problem you were just talking about, and cause it to be metabolized too quickly? And the answer is: no! How piperine works is almost the opposite; it protects the curcumin in the turmeric from our digestive enzymes, and thus allows them to get absorbed without being broken down too quickly—thus increasing the bioavailability by slowing the process down.
In short: food is best, but supplements are fine for anyone whose local supermarkets don’t sell turmeric root. Make sure to get it from a vendor who has transparency about their processes and has reputable certifications against heavy metal contamination though, because that’s especially common in cheap turmeric/curcumin supplements.
The different ways of taking it
There are a few more options than those you mentioned, so let’s quickly note:
- Infusion: the chopped/grated root is steeped in hot water, and then we drink the hot water (sometimes called “turmeric tea”) and discard the solids
- Suspension: the dried, powdered root is mixed in water, which we then drink in its entirety
- Decoction: the finely chopped/grated root is steeped in hot water, and then we consume this in its entirety, which most people don’t find pleasant
- Mastication only: chewing the root, spitting out the fibrous remnants
- Solid ingestion: eating the root
All of these will allow you to gain the benefits of curcumin (wherever that yellow-red pigment goes, so goes the curcumin), but only those which include consuming the solids will give you the full benefit (as otherwise, you are discarding a large amount of the curcumin with the solids that you discard).
So, we can remove both of the methods that you mentioned (infusion and chewing, assuming you meant chewing only, and not eating).
Things tend to lose potency with drying and grinding processes, not to mention long-term storage, so we can also remove suspension from the list.
That leaves decoction and solid ingestion. Since solid ingestion is not comfortable for most people without cooking the root, that leaves decoction as the superior method unless you personally are happy to just eat raw turmeric root.
However!
Out of the two you presented, infusion can be improved if a) you make the infusion very strong, by grating the root before steeping, and letting it steep for a good while, and b) if practical, throw the grated root (after pouring the tea) into a dish where its flavor will be appropriate. If this seems strange, like throwing a waste product into your meal, then remember that that’s only a matter of convention: physically, what it is is cooked (boiling is cooking!) grated turmeric, nothing more nor less.
At the end of the day though, the way that works best will be the way that you enjoy most (or if that’s not an option, dislike least), and thus will do more often.
Want to know more?
Check out:
Turmeric (Curcumin) Dos and Don’ts With Dr. Kim
Enjoy!
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