14 Powerful Strategies To Prevent Dementia
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Dementia risk starts climbing very steeply after the age of 65, but it’s not entirely predetermined. Dr. Brad Stanfield, a primary care physician, has insights:
The strategies
We’ll not keep them a mystery; they are:
- Cognitive stimulation: which means genuinely challenging mental activities using a variety of mental faculties. This will usually mean that anything that is just “same old, same old” all the time will stop giving benefits after a short while once it becomes rote, and you’ll need something harder and/or different.
- Hearing health: being unable to participate in conversations increases dementia risk; hearing aids can help.
- Eyesight health: similar to the above; regular eye tests are good, and the use of glasses where appropriate.
- Depression management: midlife depression is linked to later life dementia, likely in large part due to social isolation and a lack of stimulation, but either way, treating depression earlier reduces later dementia risk.
- Exercising regularly: what’s good for the heart is good for the brain; the brain is a hungry organ and the blood is what feeds it (and removes things that shouldn’t be there)
- Head injury avoidance: even mild head injuries can cause problems down the road. Protecting one’s head in sports, and even while casually cycling, is important.
- Smoking cessation: just don’t smoke; if you smoke, make it a top priority to quit unless you are given direct strong medical advice to the contrary (there are cases, few and far between, whereby quitting smoking genuinely needs to be deferred until after something else is dealt with first, but they are a lot rarer than a lot of people who are simply afraid of quitting would like to believe)
- Cholesterol management: again, healthy blood means a healthy brain, and that goes for triglycerides too.
- Weight management: obesity, especially waist to hip ratio (indicating visceral abdominal fat specifically) is associated with many woes, including dementia.
- Diabetes management: once again, healthy blood means a healthy brain, and that goes for blood sugar management too.
- Blood pressure management: guess what, healthy blood still means a healthy brain, and that goes for blood pressure too.
- Alcohol reduction/cessation: alcohol is bad for pretty much everything, and for most people who drink, quitting is probably the top thing to do after quitting smoking.
- Social engagement: while we all may have our different preferences on a scale of introversion to extroversion, we are fundamentally a social species and thrive best with social contact, even if it’s just a few people.
- Air pollution reduction: avoiding pollutants, and filtering the air we breathe where pollutants are otherwise unavoidable, makes a measurable difference to brain health outcomes.
For more information on all of these (except the last two, which really he only mentions in passing), enjoy:
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Want to learn more?
You might also like to read:
How To Reduce Your Alzheimer’s Risk ← our own main feature on the topic
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An apple cider vinegar drink a day? New study shows it might help weight loss
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Made from fermented apples and naturally high in acetic acid, apple cider vinegar has been popular in recent years for its purported health benefits – from antibacterial properties to antioxidant effects and potential for helping manage blood sugars.
Its origins as a health tonic stretch much further back. Hippocrates used it to treat wounds, fever and skin sores.
An experimental study, released today, looks into whether apple cider vinegar could be effective for weight loss, reduce blood glucose levels and reduce blood lipids (cholesterol and triglycerides).
The results suggest it could reduce all three – but it might not be as simple as downing an apple cider vinegar drink a day.
What did they do?
A group of scientists in Lebanon did a double-blinded, randomised, clinical trial in a group of overweight and obese young people aged from 12–25 years.
Researchers randomly placed 30 participants in one of four groups. The participants were instructed to consume either 5, 10 or 15ml of apple cider vinegar diluted into 250ml of water each morning before they ate anything for 12 weeks. A control group consumed an inactive drink (a placebo) made (from lactic acid added to water) to look and taste the same.
Typically this sort of study provides high quality evidence as it can show cause and effect – that is the intervention (apple cider vinegar in this case) leads to a certain outcome. The study was also double-blinded, which means neither the participants or the scientists involved with collecting the data knew who was in which group.
So, what did they find?
After a period of three months apple cider vinegar consumption was linked with significant falls in body weight and body mass index (BMI). On average, those who drank apple cider vinegar during that period lost 6–8kg in weight and reduced their BMI by 2.7–3 points, depending on the dose. They also showed significant decreases in the waist and hip circumference.
The authors also report significant decreases in levels of blood glucose, triglycerides, and cholesterol in the apple cider groups. This finding echoes previous studies. The placebo group, who were given water with lactic acid, had much smaller decreases in weight and BMI. There were also no significant decreases in blood glucose and blood lipids.
From animal studies, it is thought the acetic acid in apple cider vinegar may affect the expression of genes involved in burning fats for energy. The new study did not explore whether this mechanism was involved in any weight loss.
Is this good news?
While the study appears promising, there are also reasons for caution.
Firstly, study participants were aged from 12 to 25, so we can’t say whether the results could apply to everyone.
The statistical methods used in the study don’t allow us to confidently say the same amount of weight loss would occur again if the study was done again.
And while the researchers kept records of the participants’ diet and exercise during the study, these were not published in the paper. This makes it difficult to determine if diet or exercise may have had an impact. We don’t know whether participants changed the amount they ate or the types of food they ate, or whether they changed their exercise levels.
The study used a placebo which they tried to make identical in appearance and taste to the active treatment. But people may still be able to determine differences. Researchers may ask participants at the end of a study to guess which group they were in to test the integrity of the placebo. Unfortunately this was not done in this study, so we can’t be certain if the participants knew or not.
Finally, the authors do not report whether anyone dropped out of the study. This could be important and influence results if people who did not lose weight quit due to lack of motivation.
Is that you mother? The enzymes in apple cider vinegar might be health-giving.
ShutterstockAny other concerns?
Apple cider vinegar is acidic and there are concerns it may erode tooth enamel. This can be a problem with any acidic beverages, including fizzy drinks, lemon water and orange juice.
To minimise the risk of acid erosion some dentists recommend the following after drinking acidic drinks:
- rinsing out your mouth with tap water afterwards
- chewing sugar-free gum afterwards to stimulate saliva production
- avoiding brushing your teeth immediately after drinking because it might damage the teeth’s softened top layer
- drink with a straw to minimise contact with the teeth.
Rinsing with water could prevent acid damaging your teeth.
ShutterstockDown the hatch?
This study provides us with some evidence of a link between apple cider vinegar and weight loss. But before health professionals can recommend this as a weight loss strategy we need bigger and better conducted studies across a wider age range.
Such research would need to be done alongside a controlled background diet and exercise across all the participants. This would provide more robust evidence that apple cider vinegar could be a useful aid for weight loss.
Still, if you don’t mind the taste of apple cider vinegar then you could try drinking some for weight loss, alongside a healthy balanced and varied dietary intake. This study does not suggest people can eat whatever they like and drink apple cider vinegar as a way to control weight.
Evangeline Mantzioris, Program Director of Nutrition and Food Sciences, Accredited Practising Dietitian, University of South Australia
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Tomatoes vs Carrots – Which is Healthier?
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Our Verdict
When comparing tomatoes to carrots, we picked the carrots.
Why?
Both known for being vitamin-A heavyweights, there is nevertheless a clear winner:
In terms of macros, carrots have a little over 2x the carbs, and/but also a little over 2x the fiber, so we consider category this a win for carrots.
In the category of vitamins, tomatoes have more vitamin C, while carrots have more of vitamins A, B1, B2, B3, B5, B6, B9, E, K, and choline. And about that vitamin A specifically: carrots have over 20x the vitamin A of tomatoes. An easy win for carrots here!
When it comes to minerals, tomatoes have a little more copper, while carrots have more calcium, iron, magnesium, manganese, phosphorus, potassium, selenium, and zinc. Another clear win for carrots.
Looking at polyphenols, carrots are good but tomatoes have more, including a good healthy dose of quercetin; they also have more lycopene, not technically a polyphenol by virtue of its chemical structure (it’s a carotenoid), but a powerful phytochemical nonetheless (and much more prevalent in sun-dried tomatoes, in any case, which is not what we were looking at today—perhaps another day we’ll do sun-dried tomatoes and carrots head-to-head!).
Still, a) carrots are not short of carotenoids either (including lycopene), and b) we don’t think the moderate win on polyphenols is enough to outdo carrots having won all the other categories.
All in all, carrots win the day, but of course, do enjoy either or both; diversity is good!
Want to learn more?
You might like to read:
Lycopene’s Benefits For The Gut, Heart, Brain, & More
Enjoy!
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The 5 Resets – by Dr. Aditi Nerurkar
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What this book isn’t: an advice to go on a relaxing meditation retreat, or something like that.
What this is: a science-based guide to what actually works.
There’s no need to be mysterious, so we’ll mention that the titular “5 resets” are:
- What matters most
- Quiet in a noisy world
- Leveraging the brain-body connection
- Coming up for air (regaining perspective)
- Bringing your best self forward
All of these are things we can easily lose sight of in the hustle and bustle of daily life, so having a system for keeping them on track can make a huge difference!
The style is personable and accessible, while providing a lot of strongly science-backed tips and tricks along the way.
Bottom line: if life gets away from you a little too often for comfort, this book can help you keep on top of things with a lot less stress.
Click here to check out “The 5 Resets”, and take control with conscious calm!
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What Most People Don’t Know About HIV
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What To Know About HIV This World AIDS Day
Yesterday, we asked 10almonds readers to engage in a hypothetical thought experiment with us, and putting aside for a moment any reason you might feel the scenario wouldn’t apply for you, asked:
❝You have unprotected sex with someone who, afterwards, conversationally mentions their HIV+ status. Do you…❞
…and got the above-depicted, below-described, set of responses. Of those who responded…
- Just over 60% said “rush to hospital; maybe a treatment is available”
- Just under 20% said “ask them what meds they’re taking (and perhaps whether they’d like a snack)”
- Just over 10% said “despair; life is over”
- Two people said “do the most rigorous washing down there you’ve ever done in your life”
So, what does science say about it?
First, a quick note on terms
- HIV is the Human Immunodeficiency Virus. It does what it says on the tin; it gives humans immunodeficiency. Like many viruses that have become epidemic in humans, it started off in animals (called SIV, because there was no “H” involved yet), which were then eaten by humans, passing the virus to us when it one day mutated to allow that.
- It’s technically two viruses, but that’s beyond the scope of today’s article; for our purposes they are the same. HIV-1 is more virulent and infectious than HIV-2, and is the kind more commonly found in most of the world.
- AIDS is Acquired Immunodeficiency Syndrome, and again, is what it sounds like. When a person is infected with HIV, then without treatment, they will often develop AIDS.
- Technically AIDS itself doesn’t kill people; it just renders people near-defenseless to opportunistic infections (and immune-related diseases such as cancer), since one no longer has a properly working immune system. Common causes of death in AIDS patients include cancer, influenza, pneumonia, and tuberculosis.
People who contract HIV will usually develop AIDS if untreated. Untreated life expectancy is about 11 years.
HIV/AIDS are only a problem for gay people: True or False?
False, unequivocally. Anyone can get HIV and develop AIDS.
The reason it’s more associated with gay men, aside from homophobia, is that since penetrative sex is more likely to pass it on, then if we go with the statistically most likely arrangements here:
- If a man penetrates a woman and passes on HIV, that woman will probably not go on to penetrate someone else
- If a man penetrates a man and passes on HIV, that man could go on to penetrate someone else—and so on
- This means that without any difference in safety practices or promiscuity, it’s going to spread more between men on average, by simple mathematics.
- This is why “men who have sex with men” is the generally-designated higher-risk category.
There is medication to cure HIV/AIDS: True or False?
False so far (though there have been individual case studies of gene treatments that may have cured people—time will tell).
But! There are medications that can prevent HIV from being a life-threatening problem:
- PrEP (Pre-Exposure Prophylaxis) is a medication that one can take in advance of potential exposure to HIV, to guard against it.
- This is a common choice for people aren’t sure about their partners’ statuses, or people working in risky environments.
- PEP (Post-Exposure Prophylaxis) is a medication that one can take after potential exposure to HIV, to “nip it in the bud”.
- Those of you who were rushing to hospital in our poll, this is what you’re rushing there for.
- ARVs (Anti-RetroVirals) are a class of medications (there are different options; we don’t have room to distinguish them) that reduce an HIV+ person’s viral load to undetectable levels.
- Those of you who were asking what meds your partner was taking, these will be those meds. Also, most of them are to be taken in the morning with food, so that’s what the snack was for.
If someone is HIV+, the risk of transmission in unprotected sex is high: True or False?
True or False, with false being the far more likely. It depends on their medications, and this is why you were asking. If someone is on ARVs and their viral load is undetectable (as is usual once someone has been on ARVs for 6 months), they cannot transmit HIV to you.
U=U is not a fancy new emoticon, it means “undetectable = untransmittable”, which is a mathematically true statement in the case of HIV viral loads.
See: NIH | HIV Undetectable=Untransmittable (U=U)
If you’re thinking “still sounds risky to me”, then consider this:
You are safer having unprotected sex with someone who is HIV+ and on ARVs with an undetectable viral load, than you are with someone you are merely assuming is HIV- (perhaps you assume it because “surely this polite blushing young virgin of a straight man won’t give me cooties” etc)
Note that even your monogamous partner of many decades could accidentally contract HIV due to blood contamination in a hospital or an accident at work etc, so it’s good practice to also get tested after things that involve getting stabbed with needles, cut in a risky environment, etc.
If you’re concerned about potential stigma associated with HIV testing, you can get kits online:
CDC | How do I find an HIV self-test?
(these are usually fingerprick blood tests, and you can either see the results yourself at home immediately, or send it in for analysis, depending on the kit)
If I get HIV, I will get AIDS and die: True or False?
False, assuming you get treatment promptly and keep taking it. So those of you who were at “despair; life is over” can breathe a sigh of relief now.
However, if you get HIV, it does currently mean you will have to take those meds every day for the rest of your (no reason it shouldn’t be long and happy) life.
So, HIV is definitely still something to avoid, because it’s not great to have to take a life-saving medication every day. For a little insight as to what that might be like:
HIV.gov | Taking HIV Medication Every Day: Tips & Challenges
(as you’ll see there, there are also longer-lasting injections available instead of daily pulls, but those are much less widely available)
Summary
Some quick take-away notes-in-a-nutshell:
- Getting HIV may have been a death sentence in the 1980s, but nowadays it’s been relegated to the level of “serious inconvenience”.
- Happily, it is very preventable, with PrEP, PEP, and viral loads so low that they can’t transmit HIV, thanks to ARVs.
- Washing will not help, by the way. Safe sex will, though!
- As will celibacy and/or sexual exclusivity in seroconcordant relationships, e.g. you have the same (known! That means actually tested recently! Not just assumed!) HIV status as each other.
- If you do get it, it is very manageable with ARVs, but prevention is better than treatment
- There is no certain cure—yet. Some people (small number of case studies) may have been cured already with gene therapy, but we can’t know for sure yet.
Want to know more? Check out:
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30 Days Of Weight Vest Use: Lessons Learned
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Robin, from “The Science of Self-Care”, has insights:
How to have an easier time of it
Per peer-reviewed science (linked under the video on YouTube), there are some benefits:
- Cardiovascular fitness: increases workout intensity, improving heart and lung health.
- Muscle strength & endurance: strengthens core, legs, glutes, and calves.
- Bone density: helps prevent osteoporosis through weight-bearing exercise.
- Caloric expenditure: burns more calories, aiding in weight loss.
- Balance & posture: improves balance, though posture effects were mixed.
She chose a 30 lb weighted vest, which felt much heavier than expected. Initially, this was uncomfortable but became comforting over time (much like a weighted blanket). She also found that walks became noticeably more intense, leading to increased sweating and hunger.
Over the course of the month, she found:
- Week 1: adjusting to the extra weight; walks felt significantly harder.
- Weeks 2-3: strength improvements; carrying groceries felt easier, walking without the vest felt effortless.
- Week 3: started craving the weighted vest, but also began experiencing shoulder discomfort.
- Week 4: reduced walk duration to 20 minutes due to shoulder strain.
She concluded that the vest design was flawed—all weight rested on shoulders instead of distributing across the body, which led to shoulder discomfort and posture issues. To mitigate these things, she switched to wearing the vest around the waist like a skirt. She now plans to try a weighted belt for better weight distribution, though also simply a different kind of vest would work better (the kind that looks like combat body armor distributes the weight a lot more easily)
In short, her verdict:
- Weighted walking: 10/10, highly beneficial and easy to incorporate into daily routines.
- Vest used: 2/10, poor weight distribution, causing discomfort and shoulder strain.
For more on all of this, plus links to the relevant scientific papers, enjoy:
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Want to learn more?
You might also like:
Weight Vests Against Osteoporosis: Do They Really Build Bone?
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Don’t Forget…
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100 Ways to Change Your Life – by Liz Moody
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Sometimes we crave changing things up, just to feel something new. This can result in anything from bad haircut decisions or impulsive purchases, to crashing and burning-out of a job, project, or relationship. It doesn’t have to be that way, though!
This book brings us (as the title suggest) 100 evidence-based ways of changing things up in a good way—small things that can make a big difference in many areas of life.
In terms of format, these are presented in 100 tiny chapters, each approximately 2 pages long (obviously it depends on the edition, but you get the idea). Great to read in any of at least three ways:
- Cover-to-cover
- One per day for 100 days
- Look up what you need on an ad hoc basis
Bottom line: even if you already do half of these things, the other half will each compound your health happiness one-by-one as you add them. This is a very enjoyable and practical book!
Click here to check out 100 Ways to Change Your Life, and level-up yours!
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