Mango vs Pineapple – Which is Healthier?
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Our Verdict
When comparing mango to pineapple, we picked the pineapple.
Why?
It was close! Both of these tropical fruits have almost identical macros, and when it comes to vitamins and minerals, mango has slightly more vitamins while pineapple has slightly more minerals, so that balances out too. Their glycemic loads are 11 and 13 respectively, so: very low, and very similar.
See also: Which Sugars Are Healthier, And Which Are Just The Same?
In terms of what sets them apart:
Mango has a lot of vitamin A, to the point that it can interfere with blood-thinners if you take those.
Pineapple has bromelain, an enzyme with unique anti-inflammatory properties that we must devote a Research Review Monday to one of these days, because there’s a lot to say, but the short version is, it’s very powerful.
Since bromelain is found only in pineapples, whereas vitamin A is easy to find in abundance in many foods, we went with the pineapple.
Enjoy!
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Will there soon be a cure for HIV?
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Human immunodeficiency virus, or HIV, is a chronic health condition that can be fatal without treatment. People with HIV can live healthy lives by taking antiretroviral therapy (ART), but this medication must be taken daily in order to work, and treatment can be costly. Fortunately, researchers believe a cure is possible.
In July, a seventh person was reportedly cured of HIV following a 2015 stem cell transplant for acute myeloid leukemia. The patient stopped taking ART in 2018 and has remained in remission from HIV.
Read on to learn more about HIV, the promise of stem cell transplants, and what other potential cures are on the horizon.
What is HIV?
HIV infects and destroys the immune system’s cells, making people more susceptible to infections. If left untreated, HIV will severely impair the immune system and progress to acquired immunodeficiency syndrome (AIDS). People living with untreated AIDS typically die within three years.
People with HIV can take ART to help their immune systems recover and to reduce their viral load to an undetectable level, which slows the progression of the disease and prevents them passing the virus to others.
How can stem cell transplants cure HIV?
Several people have been cured of HIV after receiving stem cell transplants to treat leukemia or lymphoma. Stem cells are produced by the spongy tissue located in the center of some bones, and they can turn into new blood cells.
A mutation on the CCR5 gene prevents HIV from infecting new cells and creates resistance to the virus, which is why some HIV-positive people have received stem cells from donors carrying this mutation. (One person was reportedly cured of HIV after receiving stem cells without the CCR5 mutation, but further research is needed to understand how this occurred.)
Despite this promising news, experts warn that stem cell transplants can be fatal, so it’s unlikely this treatment will be available to treat people with HIV unless a stem cell transplant is needed to treat cancer. People with HIV are at an increased risk for blood cancers, such as Hodgkin lymphoma and non-Hodgkin lymphoma, which stem cell transplants can treat.
Additionally, finding compatible donors with the CCR5 mutation who share genetic heritage with patients of color can be challenging, as donors with the mutation are typically white.
What are other potential cures for HIV?
In some rare cases, people who started ART shortly after infection and later stopped treatment have maintained undetectable levels of HIV in their bodies. There have also been some people whose bodies have been able to maintain low viral loads without any ART at all.
Researchers are studying these cases in their search for a cure.
Other treatment options researchers are exploring include:
- Gene therapy: In addition to stem cell transplants, gene therapy for HIV involves removing genes from HIV particles in patients’ bodies to prevent the virus from infecting other cells.
- Immunotherapy: This treatment is typically used in cancer patients to teach their immune systems how to fight off cancer. Research has shown that giving some HIV patients antibodies that target the virus helps them reach undetectable levels of HIV without ART.
- mRNA technology: mRNA, a type of genetic material that helps produce proteins, has been used in vaccines to teach cells how to fight off viruses. Researchers are seeking a way to send mRNA to immune system cells that contain HIV.
When will there be a cure for HIV?
The United Nations and several countries have pledged to end HIV and AIDS by 2030, and a 2023 UNAIDS report affirmed that reaching this goal is possible. However, strategies to meet this goal include HIV prevention and improving access to existing treatment alongside the search for a cure, so we still don’t know when a cure might be available.
How can I find out if I have HIV?
You can get tested for HIV from your primary care provider or at your local health center. You can also purchase an at-home HIV test from a drugstore or online. If your at-home test result is positive, follow up with your health care provider to confirm the diagnosis and get treatment.
For more information, talk to your health care provider.
This article first appeared on Public Good News and is republished here under a Creative Commons license.
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We created a VR tool to test brain function. It could one day help diagnose dementia
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If you or a loved one have noticed changes in your memory or thinking as you’ve grown older, this could reflect typical changes that occur with ageing. In some cases though, it might suggest something more, such as the onset of dementia.
The best thing to do if you have concerns is to make an appointment with your GP, who will probably run some tests. Assessment is important because if there is something more going on, early diagnosis can enable prompt access to the right interventions, supports and care.
But current methods of dementia screening have limitations, and testing can be daunting for patients.
Our research suggests virtual reality (VR) could be a useful cognitive screening tool, and mitigate some of the challenges associated with current testing methods, opening up the possibility it may one day play a role in dementia diagnosis.
Where current testing is falling short
If someone is worried about their memory and thinking, their GP might ask them to complete a series of quick tasks that check things like the ability to follow simple instructions, basic arithmetic, memory and orientation.
These sorts of screening tools are really good at confirming cognitive problems that may already be very apparent. But commonly used screening tests are not always so good at detecting early and more subtle difficulties with memory and thinking, meaning such changes could be missed until they get worse.
A clinical neuropsychological assessment is better equipped to detect early changes. This involves a comprehensive review of a patient’s personal and medical history, and detailed assessment of cognitive functions, including attention, language, memory, executive functioning, mood factors and more. However, this can be costly and the testing can take several hours.
Testing is also somewhat removed from everyday experience, not directly tapping into activities of daily living.
Enter virtual reality
VR technology uses computer-generated environments to create immersive experiences that feel like real life. While VR is often used for entertainment, it has increasingly found applications in health care, including in rehabilitation and falls prevention.
Using VR for cognitive screening is still a new area. VR-based cognitive tests generally create a scenario such as shopping at a supermarket or driving around a city to ascertain how a person would perform in these situations.
Notably, they engage various senses and cognitive processes such as sight, sound and spatial awareness in immersive ways. All this may reveal subtle impairments which can be missed by standard methods.
VR assessments are also often more engaging and enjoyable, potentially reducing anxiety for those who may feel uneasy in traditional testing environments, and improving compliance compared to standard assessments.
Most studies of VR-based cognitive tests have explored their capacity to pick up impairments in spatial memory (the ability to remember where something is located and how to get there), and the results have been promising.
Given VR’s potential for assisting with diagnosis of cognitive impairment and dementia remains largely untapped, our team developed an online computerised game (referred to as semi-immersive VR) to see how well a person can remember, recall and complete everyday tasks. In our VR game, which lasts about 20 minutes, the user role plays a waiter in a cafe and receives a score on their performance.
To assess its potential, we enlisted more than 140 people to play the game and provide feedback. The results of this research are published across three recent papers.
Testing our VR tool
In our most recently published study, we wanted to verify the accuracy and sensitivity of our VR game to assess cognitive abilities.
We compared our test to an existing screening tool (called the TICS-M) in more than 130 adults. We found our VR task was able to capture meaningful aspects of cognitive function, including recalling food items and spatial memory.
We also found younger adults performed better in the game than older adults, which echoes the pattern commonly seen in regular memory tests.
In a separate study, we followed ten adults aged over 65 while they completed the game, and interviewed them afterwards. We wanted to understand how this group – who the tool would target – perceived the task.
These seniors told us they found the game user-friendly and believed it was a promising tool for screening memory. They described the game as engaging and immersive, expressing enthusiasm to continue playing. They didn’t find the task created anxiety.
For a third study, we spoke to seven health-care professionals about the tool. Overall they gave positive feedback, and noted its dynamic approach to age-old diagnostic challenges.
However, they did flag some concerns and potential barriers to implementing this sort of tool. These included resource constraints in clinical practice (such as time and space to carry out the assessment) and whether it would be accessible for people with limited technological skills. There was also some scepticism about whether the tool would be an accurate method to assist with dementia diagnosis.
While our initial research suggests this tool could be a promising way to assess cognitive performance, this is not the same as diagnosing dementia. To improve the test’s ability to accurately detect those who likely have dementia, we’ll need to make it more specific for that purpose, and carry out further research to validate its effectiveness.
We’ll be conducting more testing of the game soon. Anyone interested in giving it a go to help with our research can register on our team’s website.
Joyce Siette, Research Theme Fellow in Health and Wellbeing, Western Sydney University and Paul Strutt, Senior Lecturer in Psychology, Western Sydney University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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How To Get Your First Pull-Up
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Pull-ups are a great compound exercise that works most of the upper body. However, it can be frustrating for many, if unable to do more than dangle and struggle while not going anywhere. That’s not actually bad, by the way! Of course it’s not great athletic performance, but in terms of exercise, “dangling and struggling while not going anywhere” is an isometric exercise that has plenty of benefits of its own. However, for those who would rather go up in the world, personal trainer Meg Gallagher shows the way:
The Only Way Is Up?
Gallagher offers a few methods; the first is simply an improvement on the “dangling and struggling while not going anywhere” method, but doing it with good form. It’s called the…
Hollow body hold:
- Hang from the bar with legs and feet together.
- Maintain a posterior pelvic tilt (i.e. don’t let your hips roll forwards, and don’t let your butt stick out more than is necessary by mere virtue of having a butt)
- Engage your core by shortening the space between your ribs and pelvis.
- Turn on your abs and lats, with your head slightly behind the bar.
- Practice the hollow body hang instead of dead hangs to build grip and core strength.
Another method is now moving on from the hollow body hold, and shows that in fact, up is not the only way. It’s called…
Negative pull-ups:
- Jump up to get your chin over the bar, then slowly lower yourself in a controlled manner.
- Prioritize negative pull-ups over other exercises to build strength.
- You can use modifications like resistance bands or feet assistance if necessary to extend the duration of your negative pull-up, but these are “crutches”, so try to move on from them as soon as you reasonably can—same if your gym has an “assisted pull-up” machine, consisting of a moving platform with a variable counterweight, mimicking how a pull-up would feel if your body were lighter.
- Practice resisting throughout the entire range of motion.
To give a sense of direction, Gallagher offers the following program:
- On day 1, test how long you can resist the negative pull-up (e.g., 10 seconds).
- For each session, multiply your time by 2 (e.g., 10 seconds × 2 = 20 seconds total).
- Break the total volume into as many sets as needed (e.g., 2 sets of 10 seconds or 4 sets of 5 seconds).
- After each session, add 2 seconds to the total volume for the next session.
- Aim for 3 sessions per week for 3–4 weeks, increasing by 2 seconds each session.
- When you reach about 25 seconds, you should be close to performing your first pull-up.
For more on all of this, plus a few other things to try, plus visual demonstrations, enjoy:
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Want to learn more?
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Parenting a perfectionist? Here’s how you can respond
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Some children show signs of perfectionism from early on. Young children might become frustrated and rip up their drawing if it’s not quite right. Older children might avoid or refuse to do homework because they’re afraid to make a mistake.
Perfectionism can lead to children feeling overwhelmed, angry and frustrated, or sad and withdrawn.
And yet perfectionism isn’t considered all bad in our society. Being called a “perfectionist” can be a compliment – code for being a great worker or student, someone who strives to do their best and makes sure all jobs are done well.
These seemingly polarised views reflect the complex nature of perfectionism.
What is perfectionism?
Researchers often separate perfectionism into two parts:
- perfectionistic strivings: being determined to meet goals and achieve highly
- perfectionistic concerns: worry about being able to meet high standards, and self-criticism about performance.
While perfectionistic strivings can be positive and lead to high achievement, perfectionistic concerns can lead to a higher chance of children developing eating disorders or anxiety and depression, and having lower academic achievement.
Children and adolescents may experience perfectionism in relation to school work, sport, performance in art or music, or in relation to their own body.
Signs of perfectionistic concerns in children and adolescents may include:
- children being highly critical of themselves
- their reactions to mistakes seeming to be an overreaction
- intense preoccupation and worry over their standards and goals and/or procrastination
- significant change in performance, for example, lower academic results
- irritability and negative emotions, stress and feelings of worthlessness
- social problems with peers and friends, such as bullying and alienating themselves from peers.
A range of genetic, biological and environmental factors influence perfectionism in children. And as a parent, our role is important. While research evidence suggests we can’t successfully increase positive perfectionistic strivings in our children, harsh or controlling parenting can increase negative perfectionistic concerns in children.
Parents who are perfectionistic themselves can also model this to their children.
So, how can we walk the line between supporting our child’s interests and helping them to achieve their potential, without pressuring them and increasing the risk of negative outcomes?
Give them space to grow
A great metaphor is the gardener versus the carpenter described by psychology professor Alison Gopnik.
Instead of trying to build and shape our children by controlling them and their environment (like a carpenter), parents can embrace the spirit of the gardener – providing lots of space for children to grow in their own direction, and nourishing them with love, respect and trust.
We can’t control who they become, so it’s better to sit back, enjoy the ride, and look forward to watching the person they grow into.
However, there is still plenty we can do as parents if our child is showing signs of perfectionism. We can role model to our children how to set realistic goals and be flexible when things change or go wrong, help our children manage stress and negative emotions, and create healthy balance in our family daily routine.
Set realistic goals
People with perfectionistic tendencies will often set unattainable goals. We can support the development of flexibility and realistic goal setting by asking curious questions, for example, “what would you need to do to get one small step closer to this goal?” Identifying upper and lower limits for goals is also helpful.
If your child is fixed on a high score at school, for example, set that as the “upper limit” and then support them to identify a “lower limit” they would find acceptable, even if they are less happy with the outcome.
This strategy may take time and practice to widen the gap between the two, but is useful to create flexibility over time.
If a goal is performance-based and the outcome cannot be guaranteed (for example, a sporting competition), encourage your child to set a personal goal they have more control over.
We can also have conversations about perfectionism from early on, and explain that everyone makes mistakes. In fact, it’s great to model this to our children – talking about our own mistakes and feelings, to show them that we ourselves are not perfect.
Talk aloud practices can help children to see that we “walk the walk”. For example, if you burn dinner you could reflect:
I’m disappointed because I put time and effort into that and it didn’t turn out as I expected. But we all make mistakes. I don’t get things right every time.
Manage stress and negative emotions
Some children and adolescents have a natural tendency towards perfectionism. Rather than trying to control their behaviour, we can provide gentle, loving support.
When our child or adolescent becomes frustrated, angry, sad or overwhelmed, we support them best by helping them to name, express and validate all of their emotions.
Parents may fear that acknowledging their child’s negative emotions will make the emotions worse, but the opposite is true.
Creating healthy balance
The building blocks of healthy child development are strong loving family relationships, good nutrition, creative play and plenty of physical activity, sleep and rest.
Perfectionism is associated with rigidity, and thinking that there is only one correct way to succeed. We can instead encourage flexibility and creativity in children.
Children’s brains grow through play. There is strong research evidence showing that creative, child-led play is associated with higher emotion regulation skills, and a range of cognitive skills, including problem-solving, memory, planning, flexibility and decision-making.
Play isn’t just for young children either – there’s evidence that explorative, creative play of any kind also benefits adolescents and adults.
There is also evidence that getting active outdoors in nature can promote children’s coping skills, emotion regulation and cognitive development.
Elizabeth Westrupp, Associate Professor in Psychology, Deakin University; Gabriella King, Associate Research Fellow, Deakin University, and Jade Sheen, Associate Professor, School of Psychology, Deakin University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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What To Leave Off Your Table (To Stay Off This Surgeon’s)
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Why we eat too much (and how we can fix that)
This is Dr. Andrew Jenkinson. He’s a Consultant Surgeon specializing in the treatment of obesity, gallstones, hernias, heartburn and abdominal pain. He runs regular clinics in both London and Dubai. What he has to offer us today, though, is insight as to what’s on our table that puts us on his table, and how we can quite easily change that up.
So, why do we eat too much?
First things first: some metabolic calculations. No, we’re not going to require you to grab a calculator here… Your body does it for you!
Our body’s amazing homeostatic system (the system that does its best to keep us in the “Goldilocks Zone” of all our bodily systems; not too hot or too cold, not dehydrated or overhydrated, not hyperglycemic or hypoglycemic, blood pressure not too high or too low, etc, etc) keeps track of our metabolic input and output.
What this means: if we increase or decrease our caloric consumption, our body will do its best to increase or decrease our metabolism accordingly:
- If we don’t give it enough energy, it will try to conserve energy (first by slowing our activities; eventually by shutting down organs in a last-ditch attempt to save the rest of us)
- If we give it too much energy, it will try to burn it off, and what it can’t burn, it will store
In short: if we eat 10% or 20% more or less than usual, our body will try to use 10% to 20% more or less than usual, accordingly.
So… How does this get out of balance?
The problem is in how our system does that, and how we inadvertently trick it, to our detriment.
For a system to function, it needs at its most base level two things—a sensor and a switch:
- A sensor: to know what’s going on
- A switch: to change what it’s doing accordingly
Now, if we eat the way we’re evolved to—as hunter-gatherers, eating mostly fruit and vegetables, supplemented by animal products when we can get them—then our body knows exactly what it’s eating, and how to respond accordingly.
Furthermore, that kind of food takes some eating! Most fruit these days is mostly water and fiber; in those days it often had denser fiber (before agricultural science made things easier to eat), but either way, our body knows when we are eating fruit and how to handle that. Vegetables, similarly. Unprocessed animal products, again, the gut goes “we know what this is” and responds accordingly.
But modern ultra-processed foods with trans-fatty acids, processed sugar and flour?
These foods zip calories straight into our bloodstream like greased lightning. We get them so quickly so easily and in such great caloric density, that our body doesn’t have the chance to count them on the way in!
What this means is: the body has no idea what it’s just consumed or how much or what to do with it, and doesn’t adjust our metabolism accordingly.
Bottom line:
Evolutionarily speaking, your body has no idea what ultra-processed food is. If you skip it and go for whole foods, you can, within the bounds of reason, eat what you like and your body will handle it by adjusting your metabolism accordingly.
Now, advising you “avoid ultra-processed foods and eat whole foods” was probably not a revelation in and of itself.
But: sometimes knowing a little more about the “why” makes the difference when it comes to motivation.
Want to know more about Dr. Jenkinson’s expert insights on this topic?
If you like, you can check out his website here—he has a book too
Why We Eat (Too Much) – Dr. Andrew Jenkinson on the Science of Appetite
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What Is Earwax & Should You Get Rid Of It?
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Earwax (cerumen) forms in the outer ear canal when dead skin cells mix with oily sweat (a specialty of the apocrine glands) and sebum, a fatty substance mostly associated with facial oiliness. But, does it have a purpose, or is it just a waste product?
Nature is (mostly) best in this case
Earwax plays an important role in ear health, acting as a natural lubricant that prevents dryness and itchiness, trapping debris and microbes, and forming a protective barrier for the ear canal. It even contains proteins that help fight bacterial infections.
As for removal: the body has a natural mechanism for removing excess earwax: as skin cells grow, they migrate outward, carrying earwax with them.
In contrast, manual removal of earwax can do more harm than good. Using swabs or other items often pushes wax deeper, risks damaging the ear canal, and disrupts its protective barrier, potentially leading to infection.
Ear candling, which claims to extract earwax, not only does not work (its main premise has been actively disproven and clinical evidence shows unequivocally that it doesn’t work by any mysterious method either; it just plain doesn’t work), but also can cause injuries and will tend to leave more harmful debris behind than was there originally.
For those prone to earwax buildup, over-the-counter eardrops can help soften wax for natural removal, and medical professionals have safe methods to clear blockages if necessary.
To maintain ear health, it’s best to clean only the outer ear with a damp cloth, limit the use of earplugs or earbuds, and generally leave earwax alone unless it causes discomfort or hearing issues.
For more on all of this, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
Ear Candling: Is It Safe & Does It Work? ← the answer is “no and no”, but the science may interest you
Take care!
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