Our Top 5 Spices: How Much Is Enough For Benefits?
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A spoonful of pepper makes the… Hang on, no, that’s not right…
We know that spices are the spice of life, and many have great health-giving qualities. But…
- How much is the right amount?
- What’s the minimum to get health benefits?
- What’s the maximum to avoid toxicity?
That last one always seems like a scary question, but please bear in mind: everything is toxic at a certain dose. Oxygen, water, you-name-it.
On the other hand, many things have a toxicity so low that one could not physically consume it sufficiently faster than the body eliminates it, to get a toxic build-up.
Consider, for example, the €50 banknote that was nearly withdrawn from circulation because one of the dyes used in it was found to be toxic. However, the note remained in circulation after scientists patiently explained that a person would have to eat many thousands of them to get a lethal dose.
So, let’s address these questions in reverse order:
What’s the maximum to avoid toxicity?
In the case of the spices we’ll look at today, the human body generally* has high tolerance for them if eaten at levels that we find comfortable eating.
*IMPORTANT NOTE: If you have (or may have) a medical condition that may be triggered by spices, go easier on them (or if appropriate, abstain completely) after you learn about that.
Check with your own physician if unsure, because not only are we not doctors, we’re specifically not your doctors, and cannot offer personalized health advice.
We’re going to be talking in averages and generalizations here. Caveat consumator.
For most people, unless you are taking the spice in such quantities that you are folding space and seeing the future, or eating them as the main constituents of your meal rather than an embellishment, you should be fine. Please don’t enter a chilli-eating contest and sue us.
What is the minimum to get health benefits and how much should we eat?
The science of physiology generally involves continuous rather than discrete data, so there’s not so much a hard threshold, as a point at which the benefits become significant. The usefulness of most nutrients we consume, be they macro- or micro-, will tend to have a bell curve.
In other words, a tiny amount won’t do much, the right amount will have a good result, and usefulness will tail off after that point. To that end, we’re going to look at the “sweet spot” of peaking on the graph.
Also note: the clinical dose is the dose of the compound, not the amount of the food that one will need to eat to get that dose. For example, food x containing compound y will not usually contain that compound at 100% rate and nothing else. We mention this so that you’re not surprised when we say “the recommended dose is 5mg of compound, so take a teaspoon of this spice”, for example.
Further note: we only have so much room here, so we’re going to list only the top benefits, and not delve into the science of them. You can see the related main features for more details, though!
The “big 5” health-giving spices, with their relevant active compound:
- Black pepper (piperine)
- Hot pepper* (capsaicin)
- Garlic (allicin)
- Ginger (gingerol)
- Turmeric (curcumin**)
*Cayenne pepper is very high in capsaicin; chilli peppers are also great
**not the same thing as cumin, which is a completely different plant. Cumin does have some health benefits of its own, but not in the same league as the spices above, and there’s only so much we have room to cover today.
Black pepper
- Benefits: antioxidant, anti-cancer, boosts bioavailability of other nutrients, aids digestion
- Dosage: 5–20mg for benefits
- Suggestion: ½ teaspoon of black pepper is sufficient for benefits. However, this writer’s kitchen dictum in this case is “if you can’t see the black pepper in/on the food, add more”—but that’s more about taste!
- Related main feature: Black Pepper’s Anti-Cancer Arsenal (And More)
Hot Pepper
- Benefits: anti-inflammatory, metabolism accelerator
- Dosage: 6mg gives benefits, 500mg is a common dose in capsules
- Suggestion: if not making a spicy dish, consider using a teaspoon of cayenne as part of the seasoning for rice or potatoes
- Related main feature: Capsaicin For Weight Loss And Against Inflammation
Garlic
- Benefits: heart health, blood sugar balancing, anti-cancer
- Dosage: 4–8µg for benefits
- Suggestion: 1–2 cloves daily is generally good. However, cooking reduces allicin content (and so does oxidation after cutting/crushing), so you may want to adjust accordingly if doing those things.
- Related main feature: The Many Health Benefits Of Garlic
Ginger
- Benefits: anti-inflammatory, antioxidant, anti-nausea
- Dosage: 3–4g for benefits
- Suggestion: 1 teaspoon grated raw ginger or ½ a teaspoon powdered ginger, can be used in baking or as part of the seasoning for a stir-fry
- Related main feature: Ginger Does A Lot More Than You Think
Turmeric
- Benefits: anti-inflammatory, anti-cancer
- Dosage: 500–2000mg for benefits
- Suggestion: ¼ teaspoon per day is sufficient for benefits; ½ teaspoon dropped into the water when cooking rice will infuse the rice with turmeric (which is very water-soluble), turn the rice a pretty golden color, and not affect the flavor. Throw in some black pepper as it increases the bioavailability of curcumin up to 2000%
- Related main feature: Why Curcumin (Turmeric) Is Worth Its Weight In Gold
Closing notes
The above five spices are very healthful for most people. Personal physiology can and will vary, so if in doubt, a) check with your doctor b) start at lowest doses and establish your tolerance (or lack thereof).
Enjoy, and stay well!
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Mung Beans vs Peas – Which is Healthier?
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Our Verdict
When comparing mung beans to peas, we picked the mung beans.
Why?
The peas are good, but the mung beans are better:
In terms of macros, the mung beans have more protein, carbs, and fiber, making them the clear winner in this category.
In the category of vitamins, mung beans have more of vitamins B5, B9, E, and choline, while peas have more of vitamins A, B1, B2, B6, C, and K, making a marginal win for peas here.
When it comes to minerals, mung beans have more calcium, copper, iron, magnesium, manganese, phosphorus, potassium, selenium, and zinc, while peas are not higher in any mineral. An overwhelming win for mung beans in this round.
Adding up the sections makes for a clear overall win for mung beans, but by all means enjoy either or both; peas are good too!
Want to learn more?
You might like:
Plant vs Animal Protein: Head to Head
Enjoy!
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Banana vs Kiwi – Which is Healthier?
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Our Verdict
When comparing banana to kiwi, we picked the kiwi.
Why?
Both are great! But…
In terms of macros, banana has more carbs while kiwi has more fiber and protein, which way say is a first-round win for kiwi.
In the category of vitamins, banana has more of vitamins B1, B2, B3, B5, and B6 (B for banana!), while kiwi has more of vitamins A, B7, B9, C, E, and K (K for kiwi!), which is a marginal difference numerically, or a big difference practically if we take into account that kiwi has 80x more vitamin K, so this is an even stronger win for kiwi here.
Looking at minerals, banana has slightly more magnesium, manganese, potassium, and selenium, while kiwi has a lot more calcium, copper, iron, and phosphorus—so that’s either a 4:4 tie if we just count the minerals on each side, or a win for kiwi if we take into account the margins of difference, as a tiebreaker.
In other considerations, kiwi has some cancer-killing properties that bananas can’t boast (see the “learn more” section below for details), so that’s another point in its favor.
Adding up the sections makes for a clear overall win for kiwi, but by all means do enjoy either or both, as bananas are great too and diversity is best!
Want to learn more?
You might like:
Top 8 Fruits That Prevent & Kill Cancer ← kiwi is number one on the list!
Enjoy!
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What Are Nootropics, Really?
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What are nootropics, really?
A nootropic is anything that functions as a cognitive enhancer—in other words, improves our brainpower.
These can be sensationalized as “smart drugs”, misrepresented excitingly in science fiction, meme-ified in the mundane (“but first, coffee”), and reframed entirely, (“exercise is the best nootropic”).
So, clearly, “nootropics” can mean a lot of different things. Let’s look at some of the main categories…
The neurochemical modulators
These are what often get called “smart drugs”. They are literally drugs (have a chemical effect on the body that isn’t found in our diet), and they affect the levels of certain neurotransmitters in the brain, such as by:
- Adding more of that neurotransmitter (simple enough)
- Decreasing the rate at which we lose that neurotransmitter (re-uptake inhibitors)
- Antagonizing an unhelpful neurotransmitter (doing the opposite thing to it)
- Blocking an unhelpful neurotransmitter (stopping the receptors from receiving it)
“Unhelpful” here is relative and subjective, of course. We need all the neurotransmitters that are in our brain, after all, we just don’t need all of them all the time.
Examples: modafinil, a dopamine re-uptake inhibitor (mostly prescribed for sleep disorders), reduces the rate at which our brains scrub dopamine, resulting in a gradual build-up of dopamine that we naturally produced, so we get to enjoy that dopamine for longer. This will tend to promote wakefulness, and may also help with problem-solving and language faculties—as well as giving a mood boost. In other words, all things that dopamine is used for. Mirtazaрine, an adrenoreceptor agonist (mostly prescribed as an antidepressant), increases noradrenergic neurotransmission, thus giving many other brain functions a boost.
Why it works: our brains need healthy levels of neurotransmitters, in order to function well. Those levels are normally self-regulating, but can become depleted in times of stress or fatigue, for example.
The metabolic brain boosters
These are the kind of things that get included in nootropic stacks (stack = a collection of supplements and/or drugs that complement each other and are taken together—for example, a multivitamin tablet could be described as a vitamin stack) even though they have nothing specifically relating them to brain function. Why are they included?
The brain needs so much fuel. Metabolically speaking, it’s a gas-guzzler. It’s the single most resource-intensive organ of our body, by far. So, metabolic brain boosters tend to:
- Increase blood flow
- Increase blood oxygenation
- Increase blood general health
- Improve blood pressure (this is relative and subjective, since very obviously there’s a sweet spot)
Examples: B-vitamins. Yep, it can be that simple. A less obvious example might be Co-enzyme Q10, which supports energy production on a cellular level, and good cardiovascular health.
Why it works: you can’t have a healthy brain without a healthy heart!
We are such stuff as brains are made of
Our brains are made of mostly fat, water, and protein. But, not just any old fat and protein—we’re at least a little bit special! So, brain-food foods tend to:
- Give the brain the fats and proteins it’s made of
- Give the brain the stuff to make the fats and proteins it’s made of (simpler fats, and amino acids)
- Give the brain hydration! Just having water, and electrolytes as appropriate, does this
Examples: healthy fats from nuts, seeds, and seafood; also, a lot of phytonutrients from greens and certain fruits. Long-time subscribers may remember our article “Brain Food: The Eyes Have It!” on the importance of dietary lutein in reducing Alzheimer’s risk, for example
Why it works: this is matter of structural upkeep and maintenance—our brains don’t work fabulously if deprived of the very stuff they’re made of! Especially hydration is seriously underrated as a nootropic factor, by the way. Most people are dehydrated most of the time, and the brain dehydrates quickly. Fortunately, it rehydrates quickly as well when we take hydrating liquids.
Weird things that sound like ingredients in a witch’s potion
These are too numerous and too varied in how they work to cover here, but they do appear a lot in nootropic stacks and in popular literature on the subject.
Often they work by one of the mechanisms described above; sometimes we’re not entirely sure how they work, and have only measured their effects sufficiently to know that, somehow, they do work.
Examples: panax ginseng is one of the best-studied examples that still remains quite mysterious in many aspects of its mechanism. Lion’s Mane (the mushroom, not the jellyfish or the big cat hairstyle), meanwhile, is known to contain specific compounds that stimulate healthy brain cell growth.
Why it works: as we say, it varies so much from on ingredient to another in this category, so… Watch out for our Research Review Monday features, as we’ll be covering some of these in the coming weeks!
(PS, if there’s any you’d like us to focus on, let us know! We always love to hear from you. You can hit reply to any of our emails, or use the handy feedback widget at the bottom)
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The HRT That Prevents Osteoporosis Without Side Effects
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Today’s article will be mainly about women’s health, because it’s about the tradeoff between:
- Menopause-mediated osteoporosis due to declining estrogen levels
- Estrogen-mediated gynecological cancers that can be worsened by HRT
So, there seems to be a “damned if we do, damned if we don’t” choice here, when it comes to HRT.
But, it’s not really. This is because of several factors:
Firstly, the cancer risk increase has been greatly overstated by a faulty study that has since been refuted but the press ran with it at the time and now that PR hit can’t be undone.
You can read more about that here: Cancer & HRT: What’s Safe?
Secondly, know that the cancer risk is mainly if you already have an increased cancer risk (e.g. current or previous cancer, or family history of that cancer, or you know you have a gene that increases risk of that cancer)
For more on that, see: The Real Benefit Of Genetic Testing
Thirdly, there is often some cognitive bias at hand in this matter: while people are typically more afraid of cancer (it’s a death sentence, right?) than breaking a bone (it fixes itself, right?) the truth is that after a certain age, a small increase in cancer risk is mathematically preferable in terms of health-related quality of life and survivorship/mortality, compared to a large increase in fracture risk, when in later a life such a fracture is typically life-changingly bad, and many go to hospital, get some infection, and die. Or otherwise simply never really recover, and everything is rapidly downhill from there. Whereas cancer? Your body killed cancer just now. Like it does every day.
Now, that’s not to say that cancer should be underestimated—it’s a serious problem and does kill many people. But in the cold hard light of day (and mathematics), it’s still better to take a tiny increase in cancer risk over a huge increase in fracture risk.
There are some ways around this conundrum
We have previously written, for example, about:
The Hormone Therapy That Reduces Breast Cancer Risk & More
Most recently, however, there’s a new way of doing things that’s been developed.
How it works: the estrogen is encapsulated in a two-layer shell that delivers it only to osteoporotic bone, avoiding systemic absorption to uterine (and other) tissues. By this we mean: it is assumed that this would also apply just the same to not being absorbed to the ovaries, breasts, and other tissues, but the study itself was looking at avoiding uterine/endometrial cancers specifically.
This matters, because postmenopausal estrogen loss accelerates bone resorption and weakens bone structure, but standard estradiol therapy can raise assorted gynecological cancer risks for some people, as discussed up top.
Note: we’re using “estrogen” and “estradiol” somewhat interchangeably here. To oversimplify it: estradiol is the most useful form of human estrogen, and it’s what modern estrogen therapy uses.
Now, when we say “encapsulated”, we’re not talking about capsules like you might commonly have when taking supplements. We’re talking microscopic here; the estrogen compound itself is encapsulated, with a covering that will only remove itself when it comes into contact with osteoporotic bone. In other words, it’s “special delivery” estrogen that can only arrive to one particular body structure, and not any others (it’ll just bounce off others without being absorbed, until, circulating in the bloodstream, it at some point reaches its bone target).
How that works: they coated estradiol with bone-seeking peptides that bind calcium, then enclosed it in tannic-acid–magnesium cages that stay intact in neutral pH but dissolve in acidic bone-loss microenvironments.
As a bonus, this also has a dual therapeutic action: tannic acid blocks bone-dissolving cells, and magnesium ions support bone-forming cells, while (as mentioned above) the estradiol activates only when the shell breaks down
In terms of testing, we’re not at human trials yet, hopefully soon, but here’s what there’s been so far:
- In vitro: coatings remained stable in bloodstream-like pH but reliably released contents in acidic solutions that mimic osteoporotic bone
- Mouse studies: twice-weekly injections of the encapsulated hormone for four weeks raised bone density above pre-osteoporosis levels with no uterine side effects and showed fluorescence-verified localization only in weakened bones
You can find the paper itself, here:
Want to learn more?
If osteoporosis (or risk thereof) is a concern for you, you might want to check out:
- The Bare-Bones Truth About Osteoporosis
- Osteoporosis & Exercises: Which To Do (And Which To Avoid)
- Which Osteoporosis Medication, If Any, Is Right For You?
And for a much deeper dive into avoiding osteoporosis, cancer, and more, check out:
Unbreakable: A Woman’s Guide to Aging with Power – by Dr. Vonda Wright
Take care!
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Do we really need to burp babies? Here’s what the research says
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Parents are often advised to burp their babies after feeding them. Some people think burping after feeding is important to reduce or prevent discomfort crying, or to reduce how much a baby regurgitates milk after a feed.
It is true babies, like adults, swallow air when they eat. Burping releases this air from the top part of our digestive tracts. So when a baby cries after a feed, many assume it’s because the child needs to “be burped”. However, this is not necessarily true.
Why do babies cry or ‘spit up’ after a feed?
Babies cry for a whole host of reasons that have nothing to do with “trapped air”.
They cry when they are hungry, cold, hot, scared, tired, lonely, overwhelmed, needing adult help to calm, in discomfort or pain, or for no identifiable reason. In fact, we have a name for crying with no known cause; it’s called “colic”.
“Spitting up” – where a baby gently regurgitates a bit of milk after a feed – is common because the muscle at the top of a newborn baby’s stomach is not fully mature. This means what goes down can all too easily go back up.
Spitting up frequently happens when a baby’s stomach is very full, there is pressure on their tummy or they are picked up after lying down.
Spitting up after feeding decreases as babies get older. Three-quarters of babies one month old spit up after feeding at least once a day. Only half of babies still spit up at five months and almost all (96%) stop by their first birthdays.
There’s not much research out there on ‘burping’ babies. antoniodiaz/Shutterstock Does burping help reduce crying or spitting up?
Despite parents being advised to burp their babies, there’s not much research evidence on the topic.
One study conducted in India encouraged caregivers of 35 newborns to burp their babies, while caregivers of 36 newborns were not given any information about burping.
For the next three months, mothers and caregivers recorded whether their baby would spit up after feeding and whether they showed signs of intense crying.
This study found burping did not reduce crying and actually increased spitting up.
When should I be concerned about spitting up or crying?
Most crying and spitting up is normal. However, these behaviours are not:
- refusing to feed
- vomiting so much milk weight gain is slow
- coughing or wheezing distress while feeding
- bloody vomit.
If your baby has any of these symptoms, see a doctor or child health nurse.
If your baby seems unbothered by vomiting and does not have any other symptoms it is a laundry problem rather than something that needs medical attention.
It is also normal for babies to cry and fuss quite a lot; two hours a day, for about the first six weeks is the average.
This has usually reduced to about one hour a day by the time they are three months of age.
Crying more than this doesn’t necessarily mean there is something wrong. The intense, inconsolable crying of colic is experienced by up to one-quarter of young babies but goes away with time on its own .
If your baby is crying more than average or if you are worried there might be something wrong, you should see your doctor or child health nurse.
If your baby likes being ‘burped’, then it’s OK to do it. But don’t stress if you skip it. Miljan Zivkovic/Shutterstock Not everyone burps their baby
Burping babies seems to be traditional practice in some parts of the world and not in others.
For example, research in Indonesia found most breastfeeding mothers rarely or never burped their babies after feeding.
One factor that may influence whether a culture encourages burping babies may be related to another aspect of infant care: how much babies are carried.
Carrying a baby in a sling or baby carrier can reduce the amount of time babies cry.
Babies who are carried upright on their mother or another caregiver’s front undoubtedly find comfort in that closeness and movement.
Babies in slings are also being held firmly and upright, which would help any swallowed air to rise up and escape via a burp if needed.
Using slings can make caring for a baby easier. Studies (including randomised controlled trials) have also shown women have lower rates of post-natal depression and breastfeed for longer when they use a baby sling.
It is important baby carriers and slings are used safely, so make sure you’re up to date on the latest advice on how to do it.
So, should I burp my baby?
The bottom line is: it’s up to you.
Gently burping a baby is not harmful. If you feel burping is helpful to your baby, then keep doing what you’re doing.
If trying to burp your baby after every feed is stressing you or your baby out, then you don’t have to keep doing it.
Karleen Gribble, Adjunct Associate Professor, School of Nursing and Midwifery, Western Sydney University and Nina Jane Chad, Research Fellow, University of Sydney School of Public Health, University of Sydney
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Invigorating Sabzi Khordan
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Have you ever looked at the nutritional values and phytochemical properties of herbs, and thought “well that’s all well and good, but we only use a tiny amount”? Sabzi khordan is a herb-centric traditional Levantine sharing platter served most commonly as an appetizer, and it is indeed appetizing! Never again will “start your meal with a green salad to ensure a gentle blood sugar curve” seem like a chore:
You will need
- Large bunch of parsley
- Small bunch of tarragon leaves
- Small bunch of basil leaves
- Small bunch of mint
- Small bunch of sorrel leaves
- 7 oz block of feta cheese (if vegan, a plant-based substitution is fine in culinary terms, but won’t have the same gut-healthy benefits, as plant-based cheeses are not fermented)
- 9 oz labneh-stuffed vine leaves in olive oil (if vegan, same deal as the above, except it’s harder to find plant-based substitutes for labneh (strained yogurt cheese), so you might want to use our Plant-Based Healthy Cream Cheese recipe instead and make your own)
- 2 tbsp za’atar (you can make your own by blending dried hyssop, dried sumac berries, sesame seeds, dried thyme, and salt—but if you haven’t had za’atar before, we recommend first buying some like the one that we linked, so that next time you know what you’re aiming for)
- 3 tbsp extra virgin olive oil
- 10 radishes
- 6 scallions
- 9 oz walnuts, soaked in water overnight and drained
- 1 cucumber, cut into batons
- Warm flatbreads (you can use our Healthy Homemade Flatbreads recipe)
Method
(we suggest you read everything at least once before doing anything)
1) Arrange the feta, labneh, za’atar, and olive oil in separate little serving dishes.
2) Arrange everything else around them on a platter.
3) Serve! You may be thinking: did we really need a recipe to tell us “put the things on a plate”? The answer here is that this one today was shared mostly as a matter of inspiration, because when was the last time you thought to serve herbs as the star of the dish? Plus, it’s an excuse to try za’atar, not something so commonly seen outside of the Levant.
An alternative presentation
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- Herbs for Evidence-Based Health & Healing
- Making Friends With Your Gut (You Can Thank Us Later)
- 10 Ways To Balance Blood Sugars
Take care!
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