What’s the difference between vegan and vegetarian?
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What’s the difference? is a new editorial product that explains the similarities and differences between commonly confused health and medical terms, and why they matter.
Vegan and vegetarian diets are plant-based diets. Both include plant foods, such as fruits, vegetables, legumes and whole grains.
But there are important differences, and knowing what you can and can’t eat when it comes to a vegan and vegetarian diet can be confusing.
So, what’s the main difference?
What’s a vegan diet?
A vegan diet is an entirely plant-based diet. It doesn’t include any meat and animal products. So, no meat, poultry, fish, seafood, eggs, dairy or honey.
What’s a vegetarian diet?
A vegetarian diet is a plant-based diet that generally excludes meat, poultry, fish and seafood, but can include animal products. So, unlike a vegan diet, a vegetarian diet can include eggs, dairy and honey.
But you may be wondering why you’ve heard of vegetarians who eat fish, vegetarians who don’t eat eggs, vegetarians who don’t eat dairy, and even vegetarians who eat some meat. Well, it’s because there are variations on a vegetarian diet:
- a lacto-ovo vegetarian diet excludes meat, poultry, fish and seafood, but includes eggs, dairy and honey
- an ovo-vegetarian diet excludes meat, poultry, fish, seafood and dairy, but includes eggs and honey
- a lacto-vegetarian diet excludes meat, poultry, fish, seafood and eggs, but includes dairy and honey
- a pescatarian diet excludes meat and poultry, but includes eggs, dairy, honey, fish and seafood
- a flexitarian, or semi-vegetarian diet, includes eggs, dairy and honey and may include small amounts of meat, poultry, fish and seafood.
Are these diets healthy?
A 2023 review looked at the health effects of vegetarian and vegan diets from two types of study.
Observational studies followed people over the years to see how their diets were linked to their health. In these studies, eating a vegetarian diet was associated with a lower risk of developing cardiovascular disease (such as heart disease or a stroke), diabetes, hypertension (high blood pressure), dementia and cancer.
For example, in a study of 44,561 participants, the risk of heart disease was 32% lower in vegetarians than non-vegetarians after an average follow-up of nearly 12 years.
Further evidence came from randomised controlled trials. These instruct study participants to eat a specific diet for a specific period of time and monitor their health throughout. These studies showed eating a vegetarian or vegan diet led to reductions in weight, blood pressure, and levels of unhealthy cholesterol.
For example, one analysis combined data from seven randomised controlled trials. This so-called meta-analysis included data from 311 participants. It showed eating a vegetarian diet was associated with a systolic blood pressure (the first number in your blood pressure reading) an average 5 mmHg lower compared with non-vegetarian diets.
It seems vegetarian diets are more likely to be healthier, across a number of measures.
For example, a 2022 meta-analysis combined the results of several observational studies. It concluded a vegetarian diet, rather than vegan diet, was recommended to prevent heart disease.
There is also evidence vegans are more likely to have bone fractures than vegetarians. This could be partly due to a lower body-mass index and a lower intake of nutrients such as calcium, vitamin D and protein.
But it can be about more than just food
Many vegans, where possible, do not use products that directly or indirectly involve using animals.
So vegans would not wear leather, wool or silk clothing, for example. And they would not use soaps or candles made from beeswax, or use products tested on animals.
The motivation for following a vegan or vegetarian diet can vary from person to person. Common motivations include health, environmental, ethical, religious or economic reasons.
And for many people who follow a vegan or vegetarian diet, this forms a central part of their identity.
So, should I adopt a vegan or vegetarian diet?
If you are thinking about a vegan or vegetarian diet, here are some things to consider:
- eating more plant foods does not automatically mean you are eating a healthier diet. Hot chips, biscuits and soft drinks can all be vegan or vegetarian foods. And many plant-based alternatives, such as plant-based sausages, can be high in added salt
- meeting the nutrient intake targets for vitamin B12, iron, calcium, and iodine requires more careful planning while on a vegan or vegetarian diet. This is because meat, seafood and animal products are good sources of these vitamins and minerals
- eating a plant-based diet doesn’t necessarily mean excluding all meat and animal products. A healthy flexitarian diet prioritises eating more whole plant-foods, such as vegetables and beans, and less processed meat, such as bacon and sausages
- the Australian Dietary Guidelines recommend eating a wide variety of foods from the five food groups (fruit, vegetables, cereals, lean meat and/or their alternatives and reduced-fat dairy products and/or their alternatives). So if you are eating animal products, choose lean, reduced-fat meats and dairy products and limit processed meats.
Katherine Livingstone, NHMRC Emerging Leadership Fellow and Senior Research Fellow at the Institute for Physical Activity and Nutrition, Deakin University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Lyme Disease At-A-Glance
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It’s Q&A Day at 10almonds!
Have a question or a request? You can always hit “reply” to any of our emails, or use the feedback widget at the bottom!
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
❝Good info as always…was wondering if you have any recommendations for fighting Lyme disease naturally along wDr advice? Dr’s aren’t real keen on alternatives so always interested. Thanks❞
That depends on whether we’re looking at prevention or cure!
Prevention:
- Try not to get bitten by Lyme-disease-carrying ticks. Boots and long socks are your friends. As are long-gauntletted gloves for gardening.
- If you are in a high-risk area and/or engage in high-risk activities, check your body daily.
- This is because it usually takes 36–48 hours of being attached for a tick to cause an infection
- Obviously best if you can get a partner or close friend to help you with this, unless you have mastered some advanced pretzel positions of yoga.
- Contrary to many folk remedies, the safest way to remove a tick is with tweezers (carefully!).
- If you find and remove a tick, or otherwise suspect you have developed symptoms, go to your doctor immediately (not next week; today; time really counts for this).
Cure:
- No. Sorry. Regretfully, antibiotics are the only known effective treatment.
However! As with almost any kind of recovery, getting good rest, including good quality sleep, will hasten things. Also sensible is reducing stress if possible, and anything that could worsen inflammation.
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Is fluoride really linked to lower IQ, as a recent study suggested? Here’s why you shouldn’t worry
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Fluoride is a common natural element found in water, soil, rocks and food. For the past several decades, fluoride has also been a cornerstone of dentistry and public health, owing to its ability to protect against tooth decay.
Water fluoridation is a population-based program where a precise, small amount of fluoride is added to public drinking water systems. Water fluoridation began in Australia in the 1950s. Today more than 90% of Australia’s population has access to fluoridated tap water.
But a recently published review found higher fluoride exposure is linked to lower intelligence quotient (IQ) in children. So how can we interpret the results?
Much of the data analysed in this review is poor quality. Overall, the findings don’t give us reason to be concerned about the fluoride levels in our water supplies.
TinnaPong/Shutterstock Not a new controversy
Tooth decay (also known as caries or cavities) can have negative effects on dental health, overall health and quality of life. Fluoride strengthens our teeth, making them more resistant to decay. There is scientific consensus water fluoridation is a safe, effective and equitable way to improve oral health.
Nonetheless, water fluoridation has historically been somewhat controversial.
A potential link between fluoride and IQ (and cognitive function more broadly) has been a contentious topic for more than a decade. This started with reports from studies in China and India.
But it’s important to note these studies were limited by poor methodology, and water in these countries had high levels of natural fluoride when the studies were conducted – many times higher than the levels recommended for water fluoridation programs. Also, the studies did not control for other contaminants in the water supply.
Recent reviews focusing on the level of fluoride used in water fluoridation have concluded fluoride is not linked to lower IQ.
Despite this, some have continued to raise concerns. The United States National Toxicology Program conducted a review of the potential link. However, this review did not pass the quality assessment by the US National Academies of Sciences, Engineering and Medicine due to significant limitations in the conduct of the review.
The authors followed through with their study and published it as an independent publication in the journal JAMA Paediatrics last week. This is the study which has been generating media attention in recent days.
What the study did
This study was a systematic review and meta-analysis, where the researchers evaluated 74 studies from different parts of the world.
A total of 52 studies were rated as having a high risk of bias, and 64 were cross-sectional studies, which often can’t provide evidence of causal relationship.
Most of the studies were conducted in developing countries, such as China (45), India (12), Iran (4), Mexico (4) and Pakistan (2). Only a few studies were conducted in developed countries with established public water systems, where regular monitoring and treatment of drinking water ensures it’s free from contaminants.
The vast majority of studies were conducted in populations with high to very high levels of natural fluoride and without water fluoridation programs, where fluoride levels are controlled within recommended levels.
The study concluded there was an inverse association between fluoride levels and IQ in children. This means those children who had a higher intake of fluoride had lower IQ scores than their counterparts.
Water fluoridation programs reduce the occurrence of cavities. Drazen Zigic/Shutterstock Limitations to consider
While this review combined many studies, there are several limitations that cast serious doubt over its conclusion. Scientists immediately raised concerns about the quality of the review, including in a linked editorial published in JAMA.
The low quality of the majority of included studies is a major concern, rendering the quality of the review equally low. Importantly, most studies were not relevant to the recommended levels of fluoride in water fluoridation programs.
Several included studies from countries with controlled public water systems (Canada, New Zealand, Taiwan) showed no negative effects. Other recent studies from comparable populations (such as Spain and Denmark) also have not shown any negative effect of fluoride on IQ, but they were not included in the meta-analysis.
For context, the review found there was no significant association with IQ when fluoride was measured at less than 1.5mg per litre in water. In Australia, the recommended levels of fluoride in public water supplies range from 0.6 to 1.1 mg/L.
Also, the primary outcome, IQ score, is difficult to collect. Most included studies varied widely on the methods used to collect IQ data and did not specify their focus on ensuring reliable and consistent IQ data. Though this is a challenge in most research on this topic, the significant variations between studies in this review raise further doubts about the combined results.
No cause for alarm
Although no Australian studies were included in the review, Australia has its own studies investigating a potential link between fluoride exposure in early childhood and child development.
I’ve been involved in population-based longitudinal studies investigating a link between fluoride and child behavioural development and executive functioning and between fluoride and IQ. The IQ data in the second study were collected by qualified, trained psychologists – and calibrated against a senior psychologist – to ensure quality and consistency. Both studies have provided strong evidence fluoride exposure in Australia does not negatively impact child development.
This new review is not a reason to be concerned about fluoride levels in Australia and other developed countries with water fluoridation programs. Fluoride remains important in maintaining the public’s dental health, particularly that of more vulnerable groups.
That said, high and uncontrolled levels of fluoride in water supplies in less developed countries warrant attention. There are programs underway in a range of countries to reduce natural fluoride to the recommended level.
Loc Do, Professor of Dental Public Health, The University of Queensland
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Delay Ageing – by Dr. Colin Rose
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Note: the title is spelled that way because it is British English. We generally write in US English here at 10almonds, but we’ll first quote directly from Dr. Rose as written:
❝I have written Delay Ageing because there is some very important recent University research on ageing and age related illness that deserves to be made accessible to a general audience.❞
What is this research? Well, there’s quite a lot over its 300-odd pages (exact number depends on the edition and whether we count end matter), and most of it is tweaks and refinements on things with which you’ll probably be at least brushingly familiar if you’re a regular 10almonds reader.
Dr. Rose addresses the nine hallmarks of aging, of which there are ten, ranging from such things as “telomeres get shorter” and “DNA accumulates damage”, to “stem cells become exhausted” and “cells fail to communicate properly”, and asks the question “what if we were to target all these things simultaneously?”.
Rather than going for drugs on drugs on drugs (half of them to deal with undesired side effects of the previous ones), Dr. Cole leaves no stone unturned to find lifestyle interventions that will improve each of these, even if just a little. Because, all those “little” improvements add up and even compound, and on the flipside, mean that factors of aging aren’t adding up and compounding so much or so quickly anymore.
The rather broad umbrella of “lifestyle interventions” obviously includes food under its auspices, and with it, nutraceuticals. So to give one example, if you’re taking a fisetin supplement (a natural senolytic agent), you’ll find science vindicating that here. And much more.
The style is… Less pop-science and more “textbook written for laypersons”, and you may be thinking “isn’t that the same?” and the difference is that the textbook has a lot less polish and finesse, but often more precise information.
Bottom line: if you’d like to combat aging on 10 different fronts with easily implementable lifestyle interventions, and know exactly what is doing what and how, then this is the book for you.
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Hormone Replacement
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.
It’s Q&A Day at 10almonds!
Have a question or a request? You can always hit “reply” to any of our emails, or use the feedback widget at the bottom!
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 cant believe 10 Almonds addresses questions. Thanks. I see the word symptoms for menopause. I don’t know what word should replace it but maybe one should be used or is symptom accurate? And I recently read that there was a great disservice for women in my era as they were denied/scared of hormones replacement. Unnecessarily❞
You’d better believe it! In fact we love questions; they give us things to research and write about.
“Symptom” is indeed an entirely justified word to use, being:
- General: any phenomenon or circumstance accompanying something and serving as evidence of it.
- Medical: any phenomenon that arises from and accompanies a particular disease or disorder and serves as an indication of it.
If the question is more whether the menopause can be considered a disease/disorder, well, it’s a naturally occurring and ultimately inevitable change, yes, but then, so is cancer (it’s in the simple mathematics of DNA replication and mutation that, unless a cure for cancer is found, we will always eventually get cancer, if nothing else kills us first).
So, something being natural/inevitable isn’t a reason to not consider it a disease/disorder, nor a reason to not treat it as appropriate if it is causing us harm/discomfort that can be safely alleviated.
Moreover, and semantics aside, it is medical convention to consider menopause to be a medical condition, that has symptoms. Indeed, for example, the US’s NIH (and its constituent NIA, the National Institute of Aging) and the UK’s NHS, both list the menopause’s symptoms, using that word:
- NIA (NIH): What are the signs and symptoms of menopause?
- NHS: Common symptoms of menopause and perimenopause
With regard to fearmongering around HRT, certainly that has been rife, and there were some very flawed (and later soundly refuted) studies a while back that prompted this—and even those flawed studies were not about the same (bioidentical) hormones available today, in any case. So even if they had been correct (they weren’t), it still wouldn’t be a reason to not get treatment nowadays, if appropriate!
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Mocktails – by Moira Clark
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We’ve reviewed books about quitting alcohol before (such as this one), but today’s is not about quitting, so much as about enjoying non-alcoholic drinks; it’s simply a recipe book of zero-alcohol cocktails, or “mocktails”.
What sets this book apart from many of its kind is that every recipe uses only natural and fresh ingredients, rather than finding in the ingredients list some pre-made store-bought component. Instead, because of its “everything from scratch” approach, this means:
- Everything is reliably as healthy as the ingredients you use
- Every recipe’s ingredients can be found easily unless you live in a food desert
Each well-photographed and well-written recipe also comes with a QR code to see a step-by-step video tutorial (or if you get the ebook version, then a direct link as well).
Bottom line: this is the perfect mocktail book to have in (and practice with!) before the summer heat sets in.
Click here to check out Mocktails: A Delicious Collection of Non-Alcoholic Drinks, and get mixing!
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When Bad Joints Stop You From Exercising (5 Things To Change)
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The first trick to exercising with bad joints is to have better joints.
Now, this doesn’t necessarily mean you can take a supplement and magically your joint problems will be cured, but there are adjustable lifestyle factors that can and will make things relatively better or worse.
We say “and will”, because you don’t get a choice in that part. Everything we do, every little choice in our day, makes our health a little better or a little worse in some aspect(s). But we do get a choice between “relatively better” and “relatively worse”.
With that in mind, do check out:
- Avoiding/Managing Osteoarthritis
- Avoiding/Managing Rheumatoid Arthritis
- How To Really Look After Your Joints
Ok, you have bad joints though; what next?
Let’s assume you’re doing your best with the above, and/or have simply decided not to, which is your call. You know your circumstances best. Either way, your joints are still not in sufficiently good condition to be able to exercise the way you’d like.
First, the obvious: enjoy low-impact exercises
For example:
- Swimming
- Yoga (much more appropriate here than the commonly-paired “and tai chi”)*
- Isometric exercises (i.e. exercise without movement, e.g. squeezing things, or stationary stability exercises)
*This is not to say that tai chi is bad. But if your problem is specifically your knees, there are many movements in most forms of tai chi that require putting the majority of one’s weight on one bent leg, which means the knee of that leg is going to suffer. If your knees are fine, then this won’t be an issue and it will simply continue strengthening your knees without discomfort. But they have to be fine first.
See also: Exercising With Osteoporosis
Second: support your joints through a full range of motion
If you have bad joints, you probably know that there’s an unfortunate paradox whereby you get to choose between:
- Exercise, and inflame your joints
- Rest, and your joints seize up
This is the way to get around that damaging dilemma.
Moving your joints through a full range of motion regularly is critical for their maintenance, so do that in a way that isn’t straining them:
If it’s your shoulders, for example, you can do (slow, gentle!) backstroke or front-crawl or butterfly motions while standing in the comfort of your living room.
If it’s your knees, then supported squats can do you a world of good. That means, squat in front of a table or other stable object, with your fingertips (or as much of your hands as you need) on it, to take a portion of your weight (it can be a large portion; that’s fine too!) while you go through the full range of motion of the squat. Repeat.
And so forth for other joints.
See also: The Most Underrated Hip Mobility Exercise (Not Stretching)
Third: work up slowly, and stop early
You can do exercises that involve impact, and if you live a fairly normal life, you’ll probably have to (walking is an impact exercise). You can also enjoy cycling (low-impact, but not so low-impact as we discussed in the last section) and work up to running if you want to.
However…
While building up your joints’ mobility and strength, it is generally a good idea to stop before you think you need to.
This means that it’s important to do those exercises in a way that you can stop early. For example, an exercise bike or a treadmill can be a lot of use here, so that you don’t find you need to stop for the day while miles from your house.
If you get such a device, it doesn’t even have to be fancy and/or expensive. This writer got herself an inexpensive exercise bike like this one, and it’s perfectly adequate.
Fourth: prioritize recovery, even if it doesn’t feel like you need it
Everyone should do this anyway, but if your joints are bad, it goes double:
Overdone It? How To Speed Up Recovery After Exercise (According To Actual Science)
Fifth: get professional help
Physiotherapists are great for this. Find one, and take their advice for your specific body and your specific circumstances and goals.
Take care!
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