
Eye Exercises That Measurably Improve Your Vision
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Our eyesight, like most of the rest of our body’s functions, will decline if not adequately maintained. Modern lifestyles see most of us indoors for most of the day (which means a reduced maximum focal length) and often looking at screens (even further reduced focal length), which means that part of our eyes responsible for focus will tend to atrophy and wither. And if we want to see something better, we adjust the settings instead of adjusting our eyes. However, it is perfectly possible to recover our clear youthful vision:
See the results for yourself (and see them clearly!)
The exercises that gave him the results he showed between the two tests, are:
- Blink for 30 seconds
- Focus on something in front and (keeping your focus on that stationary point) move your head left & right, upwards & downwards, and diagonally
- Take a break and blink for 30 seconds
- Keep your head still while you move your eyes left & right, upwards & downwards, and diagonally
- Focus on something in front while you move move your head left & right, upwards & downwards, and diagonally
This should temporarily improve your vision immediately, because of what has been going on in the capillaries in and around your eyes, but sustained results require sustained (i.e. daily) practice. This is because the vasculature is only part of the mechanism; it’s also a matter of improving the muscles responsible for focusing the eyes—and like any muscles, it’s not a case of “do it once and enjoy the results forever”. So, even just 2–3 minutes each day is recommended.
For more on all of this plus a visual demonstration, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
Are Your Glasses Making Your Eyesight Worse?
or, if you are very serious about having excellent vision for life:
Vision for Life, Revised Edition – by Dr. Meir Schneider ← this one’s a book, and a very good one at that
Take care!
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Rose Hips vs Blueberries – Which is Healthier?
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Our Verdict
When comparing rose hips to blueberries, we picked the rose hips.
Why?
Both of these fruits are abundant sources of antioxidants and other polyphenols, but one of them stands out for overall nutritional density:
In terms of macros, rose hips have about 2x the carbohydrates, and/but about 10x the fiber. That’s an easy calculation and a clear win for rose hips.
When it comes to vitamins, rose hips have a lot more of vitamins A, B2, B3, B5, B6, C, E, K, and choline. On the other hand, blueberries boast more of vitamins B1 and B9. That’s a 9:2 lead for rose hips, even before we consider rose hips’ much greater margins of difference (kicking off with 80x the vitamin A, for instance, and many multiples of many of the others).
In the category of minerals, rose hips have a lot more calcium, copper, iron, magnesium, manganese, phosphorus, potassium, and zinc. Meanwhile, blueberries are not higher in any minerals.
In short: as ever, enjoy both, but if you’re looking for nutritional density, there’s a clear winner here and it’s rose hips.
Want to learn more?
You might like to read:
It’s In The Hips: Rosehip’s Benefits, Inside & Out
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Starfruit vs Soursop – Which is Healthier?
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Our Verdict
When comparing starfruit to soursop, we picked the soursop.
Why?
First, by starfruit, we also mean carambola, which is a different name for the same fruit, and by soursop we also mean graviola/guyabano/guanábana, which are different namers for the same fruit. Now, as for their health qualities:
In terms of macros, the soursop has more carbs and fiber, the ratio of which also give it the lower glycemic index. So, a win for soursop here.
When it comes to vitamins, starfruit has more of vitamins A, B5, C, and E, while soursop has more of vitamins B1, B2, B3, B6, B7, B9, and K. Another win for soursop.
In the category of minerals, starfruit has slightly more copper, manganese, and zinc, while soursop has much more calcium, iron, magnesium, phosphorus, and potassium. One more win for soursop!
Adding up the sections makes for a clear and overwhelming win for soursop, but let’s address to quick safety considerations while we’re here:
- Soursop extract has been claimed to be an effective cancer treatment. It isn’t. There is no evidence for this at all; just one unscrupulous company that spread the claims.
- Soursop contains annonacin, a neurotoxin. That sounds scary, but much like with apple seeds and cyanide, the quantities you’d have to consume to suffer ill effects are absurd. Remember how capsaicin (as found in hot peppers) is also a neurotoxin, too and has many health benefits. Humans have a long and happy tradition of enjoying things that are toxic at high doses, but in small doses are neutral or even beneficial. Pretty much all things we can consume (including oxygen, and water) are toxic at sufficient doses.
In short, both of these fruits are fine and good, neither will treat cancer, but both will help to keep you in good health. As for nutritional density, the soursop wins in every category.
Want to learn more?
You might like to read:
Top 8 Fruits That Prevent & Kill Cancer ← soursop has no special cancer treatment properties, but actual evidence shows these fruits are beneficial (being good as a preventative, and also definitely a worthy adjunct to—but not a replacement for—mainstream anticancer therapies if you have cancer).
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World Menopause Day Health News Round-Up
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In order to provide variety in this week’s round-up, not all of this is menopause-related, but it is all important:
Menopause & CVD
Untreated menopause is associated with higher incidence of heart disease, and higher mortality. People often forget about how much estrogen does for us (well, for those of us with a physiology running on estrogen, anyway; gentlemen, your testosterone is fine for you), and think it is “just” a sex hormone, but it’s a lot more.
Read in full: Menopause transition linked to increased heart disease risk
Related: What Menopause Does To The Heart
Extraterrestrial medical technology
The much lower gravity in Earth orbit has allowed for tissue engineering techniques that Earth’s normal gravity imposes limitations on. This is big news, because it means that rather than replacing a whole liver, tissue implants could be grafted, allowing the extant liver to repair itself (something livers are famously good at, but they need enough undamaged base material to work with).
Read in full: How liver tissue from the International Space Station may transform tissue engineering
Related: How To Unfatty A Fatty Liver
One thing and then another
As if endometriosis weren’t unpleasant enough in and of itself, the endothelial dysfunction inherent to it also raises cardiovascular disease risk. This is important, because while endometriosis has (like many maladies predominantly affecting women) generally been shrugged off by the medical world as an unhappy inconvenience but not life-threatening, now we know it comes with extra existential risks too:
Read in full: Understanding cardiovascular risks in endometriosis patients
Related: What You Need To Know About Endometriosis
Push-button meditation
Unlike mindfulness meditation, listening to music is a very passive experience, and thus requires less effort from the user. And yet, it has been associated with lower perceived pain levels, lower self-reported anxiety levels, less opioid use, and measurably lower heart-rate.
Read in full: Listening to music may speed up recovery from surgery, research suggests
Related: Nobody Likes Surgery, But Here’s How To Make It Much Less Bad
Cholesterol in menopause: quality over quantity
Much like previous research has shown that the quantity of LDL is not nearly so predictive of health outcomes in women as it is in men, this study into HDL and menopausal women shows that quantity of HDL does not matter nearly so much as the quality of it.
Read in full: HDL quality, not quantity, contribute to the first sign of Alzheimer’s disease in women
Related: Statins: His & Hers? ← consistent with the above, statins (to lower LDL cholesterol) generally help more for men and produce more adverse side effects for women. So again, a case of “the actual amount of cholesterol isn’t so important for women as for men”.
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Nobody’s Sleeping – by Dr. Bijoy John
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Firstly, let’s mention: yes, for the sake of being methodical and comprehensive this book does give the same baseline advice as every other sleep book out there. However, it gives something else, too:
It goes beyond that baseline, to a) give more personalized advice for various demographics (e.g. per age, sex, health conditions, etc) and b) give direction for further personalizing one’s own sleep improvement journey, by troubleshooting and fixing things that may pertain to you very specifically and not to most people.
This means, that if you’re doing “all the right things” but still having sleep-related problems, there is hope and there are more approaches to try.
The style in which this is delivered is very readable, which is good, because if one hasn’t been sleeping well, then chances are that an intellectual challenge would be about as welcome as a physical challenge—that is to say: not at all.
Bottom line: if sleep is not your strength and you would like it to be and all the usual things haven’t yet worked, this book may well help you to overcome the hurdles between you and a good night’s sleep each night.
Click here to check out Nobody’s Sleeping, and refute that title!
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Olive oil is healthy. Turns out olive leaf extract may be good for us too
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Olive oil is synonymous with the Mediterranean diet, and the health benefits of both are well documented.
Olive oil reduces the risk of heart disease, cancer, diabetes and premature death. Olives also contain numerous healthy nutrients.
Now evidence is mounting about the health benefits of olive leaves, including from studies in a recent review.
Here’s what’s in olive leaves and who might benefit from taking olive leaf extract.
mtphoto19/Shutterstock What’s in olive leaves?
Olive leaves have traditionally been brewed as a tea in the Mediterranean and drunk to treat fever and malaria.
The leaves contain high levels of a type of antioxidant called oleuropein. Olives and olive oil contain this too, but at lower levels.
Generally, the greener the leaf (the less yellowish) the more oleuropein it contains. Leaves picked in spring also have higher levels compared to ones picked in autumn, indicating levels of oleuropein reduce as the leaves get older.
Olive leaves also contain other antioxidants such as hydroxytyrosol, luteolin, apigenin and verbascoside.
Antioxidants work by reducing the oxidative stress in the body. Oxidative stress causes damage to our DNA, cell membranes and tissues, which can lead to chronic diseases such as cancer and heart disease.
Are olive leaves healthy?
One review and analysis combined data from 12 experimental studies with 819 participants in total. Overall, olive leaf extract improved risk factors for heart disease. This included healthier blood lipids (fats) and lowering blood pressure.
The effect was greater for people who already had high blood pressure.
Most studies in this review gave olive leaf extract as a capsule, with daily doses of 500 milligrams to 5 grams for six to 48 weeks.
Another review and analysis published late last year looked at data from 12 experimental studies, with a total of 703 people. Some of these studies involved people with high blood lipids, people with high blood pressure, people who were overweight or obese, and some involved healthy people.
Daily doses were 250-1,000mg taken as tablets or baked into bread.
Individual studies in the review showed significant benefits in improving blood glucose (sugar) control, blood lipid levels and reducing blood pressure. But when all the data was combined, there were no significant health effects. We’ll explain why this may be the case shortly.
Olive leaves can be brewed into tea. Picture Partners/Shutterstock Another review looked at people who took oleuropein and hydroxytyrosol (the antioxidants in olive leaves). This found significant improvement in body weight, blood lipid profiles, glucose metabolism and improvements in bones, joints and cognitive function.
The individual studies included tested either the two antioxidants or olive leaf incorporated into foods such as bread and cooking oils (but not olive oil). The doses were 6-500mg per day of olive leaf extract.
So what can we make of these studies overall? They show olive leaf extract may help reduce blood pressure, improve blood lipids and help our bodies handle glucose.
But these studies show inconsistent results. This is likely due to differences in the way people took olive leaf extract, how much they took and how long for. This type of inconsistency normally tells us we need some more research to clarify the health effects of olive leaves.
Can you eat olive leaves?
Olive leaves can be brewed into a tea, or the leaves added to salads. Others report grinding olive leaves into smoothies.
However the leaves are bitter, because of the antioxidants, which can make them hard to eat, or the tea unpalatable.
Olive leaf extract has also been added to bread and other baked goods. Researchers find this improves the level of antioxidants in these products and people say the foods tasted better.
Olive leaves can taste bitter, which can put people off. But you can bake the extract into bread. Repina Valeriya/Shutterstock Is olive leaf extract toxic?
No, there seem to be no reported toxic effects of eating or drinking olive leaf extract.
It appears safe up to 1g a day, according to studies that have used olive leaf extract. However, there are no official guidelines about how much is safe to consume.
There have been reports of potential toxicity if taken over 85mg/kg of body weight per day. For an 80kg adult, this would mean 6.8g a day, well above the dose used in the studies mentioned in this article.
Pregnant and breastfeeding women are recommended not to consume it as we don’t know if it’s safe for them.
What should I do?
If you have high blood pressure, diabetes or raised blood lipids you may see some benefit from taking olive leaf extract. But it is important you discuss this with your doctor first and not change any medications or start taking olive leaf extract until you have spoken to them.
But there are plenty of antioxidants in all plant foods, and you should try to eat a wide variety of different coloured plant foods. This will allow you to get a range of nutrients and antioxidants.
Olive leaf and its extract is not going to be a panacea for your health if you’re not eating a healthy diet and following other health advice.
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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Antihistamines’ Generation Gap
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Are You Ready For Allergy Season?
For those of us in the Northern Hemisphere, fall will be upon us soon, and we have a few weeks to be ready for it. A common seasonal ailment is of course seasonal allergies—it’s not serious for most of us, but it can be very annoying, and can disrupt a lot of our normal activities.
Suddenly, a thing that notionally does us no real harm, is making driving dangerous, cooking take three times as long, sex laughable if not off-the-table (so to speak), and the lightest tasks exhausting.
So, what to do about it?
Antihistamines: first generation
Ye olde antihistamines such as diphenhydramine and chlorpheniramine are probably not what to do about it.
They are small molecules that cross the blood-brain barrier and affect histamine receptors in the central nervous system. This will generally get the job done, but there’s a fair bit of neurological friendly-fire going on, and while they will produce drowsiness, the sleep will usually be of poor quality. They also tax the liver rather.
If you are using them and not experiencing unwanted side effects, then don’t let us stop you, but do be aware of the risks.
See also: Long-term use of diphenhydramine ← this is the active ingredient in Benadryl in the US and Canada, but safety regulations in many other countries mean that Benadryl has different, safer active ingredients elsewhere.
Antihistamines: later generations
We’re going to aggregate 2nd gen, 3rd gen, and 4th gen antihistamines here, because otherwise we’ll be writing a history article and we don’t have room for that. But suffice it to say, later generations of antihistamines do not come with the same problems.
Instead of going in all-guns-blazing to the CNS like first-gens, they are more specific in their receptor-targetting, resulting in negligible collateral damage:
Special shout-out to cetirizine and loratadine, which are the drugs behind half the brand names you’ll see on pharmacy shelves around most of the world these days (including many in the US and Canada).
Note that these two are very often discussed in the same sentence, sit next to each other on the shelf, and often have identical price and near-identical packaging. Their effectiveness (usually: moderate) and side effects (usually: low) are similar and comparable, but they are genuinely different drugs that just happen to do more or less the same thing.
This is relevant because if one of them isn’t working for you (and/or is creating an unwanted side effect), you might want to try the other one.
Another honorable mention goes to fexofenadine, for which pretty much all the same as the above goes, though it gets talked about less (and when it does get mentioned, it’s usually by its most popular brand name, Allegra).
Finally, one that’s a little different and also deserving of a special mention is azelastine. It was recently (ish, 2021) moved from being prescription-only to being non-prescription (OTC), and it’s a nasal spray.
It can cause drowsiness, but it’s considered safe and effective for most people. Its main benefit is not really the difference in drug, so much as the difference in the route of administration (nasal rather than oral). Because the drug is in liquid spray form, it can be absorbed through the mucus lining of the nose and get straight to work on blocking the symptoms—in contrast, oral antihistamines usually have to go into your stomach and take their chances there (we say “usually”, because there are some sublingual antihistamines that dissolve under the tongue, but they are less common.)
Better than antihistamines?
Writer’s note: at this point, I was given to wonder: “wait, what was I squirting up my nose last time anyway?”—because, dear readers, at the time I got it I just bought one of every different drug on the shelf, desperate to find something that worked. What worked for me, like magic, when nothing else had, was beclometasone dipropionate, which a) smelled delightfully of flowers, which might just be the brand I got, b) needs replacing now because I got it in March 2023 and it expired July 2024, and c) is not an antihistamine at all.
But, that brings us to the final chapter for today: systemic corticosteroids
They’re not ok for everyone (check with your doctor if unsure), and definitely should not be taken if immunocompromised and/or currently suffering from an infection (including colds, flu, COVID, etc) unless your doctor tells you otherwise (and even then, honestly, double-check).
But! They can work like magic when other things don’t. Unlike antihistamines, which only block the symptoms, systemic corticosteroids tackle the underlying inflammation, which can stop the whole thing in its tracks.
Here’s how they measure up against antihistamines:
❝The results of this systematic review, together with data on safety and cost effectiveness, support the use of intranasal corticosteroids over oral antihistamines as first line treatment for allergic rhinitis.❞
~ Dr. Robert Puy et al.
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