
Spirulina vs Sun-Dried Tomatoes – Which is Healthier?
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Our Verdict
When comparing spirulina to sun-dried tomatoes, we picked the sun-dried tomatoes.
Why?
Both are great! But…
In terms of macros, spirulina has a tiny bit more protein, while sun-dried tomatoes have 12x the fiber for 9x the carbs, winning this round, mostly on account of the dodectuple fiber.
In the category of vitamins, spirulina has a tiny bit more of vitamins E and K, while sun-dried tomatoes have a lot more of vitamins A, B3, B5, B6, B9, and C, winning easily.
Looking at minerals, spirulina has a tiny bit more copper and iron, while sun-dried tomatoes have a lot more calcium, magnesium, manganese, phosphorus, potassium, selenium, and zinc, for another overwhelming win.
In other considerations, spirulina has no beneficial phytochemicals (because it is not a plant; it’s mostly a big colony of cyanobacteria), and unlike some seaweed, the B12 it does have is in an inactive form, while sun-dried tomatoes have abundant polyphenols, and also lycopene which is not be definition a polyphenol (it’s a carotenoid), but does a similar job and is a very potent antioxidant. In any case, this category is one more win for sun-dried tomatoes.
Lest this all seem very damning for spirulina, we’ll take a moment to reiterate that spirulina is very nutritionally dense, and it only looks bad here because it’s standing next to sun-dried tomatoes which are better in almost every way.
Nevertheless, adding up the sections does make for a very clear overall win for sun-dried tomatoes, so, enjoy!
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7 Less Common Sleep Tips
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We all know about having a regular sleep schedule in a cool dark room and clean bedding and, shockingly, not taking stimulants before bedtime. Hopefully we all know alcohol is bad, too. So, what else?
Sweet dreams
Dr. Michael Breus, sleep specialist, advises:
- Do an eye relaxation exercise (“cupping” or “palming”) by placing warm palms over your open eyes to relieve eye strain and promote relaxation before bed.
- Apply a warm compress to your eyes for 3–5 minutes to reduce eye strain, boost circulation, and support relaxation.
- Wear socks to bed or warm your feet with a heating pad or foot bath to improve circulation and help regulate body temperature for better sleep.
- Sleep on your back (if comfortable) or your left side to reduce pressure on joints, aid digestion, and support heart health*.
- Avoid long daytime naps—keep them under 30 minutes and before 14:00, to maintain a healthy sleep drive at night.
- Review all medications and supplements with your doctor or pharmacist to identify anything that may be interfering with sleep.
- Invest in a high-quality, supportive pillow tailored to your sleep position to improve comfort, spinal alignment, and sleep quality (this writer has one like this example product on Amazon, and loves it!).
*Here we remember that Dr. Breus is a PhD (specifically: a sleep scientist), not an MD, and his advice in the case of #4 is the opposite of what is generally considered best for heart health and brain health (the latter in the context of the glymphatic system and the brain’s natural defenses against neurodegeneration). As for digestion, that will work the same any way around because of the peristaltic motion of the intestines, so he’s wrong about that too, but he was correct about one thing: left-side sleeping will ease the symptoms of acid reflux, if you have acid reflux. For everything else, right-side sleeping is better, and you can read about it in our link in the “Want to know more?” section.
For more on each of these, enjoy:
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Want to learn more?
You might also like:
- Sleeping Positions & Your Heart & Brain ← for the science on this
- And as for that about reducing pressure on joints, what we’d suggest is making sure you have the right mattress: What Mattress Is Best, By Science?
Take care!
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5 dental TikTok trends you probably shouldn’t try at home
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TikTok is full of videos that demonstrate DIY hacks, from up-cycling tricks to cooking tips. Meanwhile, a growing number of TikTok videos offer tips to help you save money and time at the dentist. But do they deliver?
Here are five popular dental TikTok trends and why you might treat them with caution.
1. Home-made whitening solutions
Many TikTok videos provide tips to whiten teeth. These include tutorials on making your own whitening toothpaste using ingredients such as hydrogen peroxide, a common household bleaching agent, and baking soda (sodium bicarbonate).
In this video, the influencer says:
And then you’re going to pour in your hydrogen peroxide. There’s really no measurement to this.
But hydrogen peroxide in high doses is poisonous if swallowed, and can burn your gums, mouth and throat, and corrode your teeth.
High doses of hydrogen peroxide may infiltrate holes or microscopic cracks in your teeth to inflame or damage the nerves and blood vessels in the teeth, which can cause pain and even nerve death. This is why dental practitioners are bound by rules when we offer whitening treatments.
Sodium bicarbonate and hydrogen peroxide are among the components in commercially available whitening toothpastes. While these commercial products may be effective at removing surface stains, their compositions are carefully curated to keep your smile safe.
2. Oil pulling
Oil pulling involves swishing one tablespoon of sesame or coconut oil in your mouth for up to 20 minutes at a time. It has roots in Ayurvedic medicine, a traditional medicine practice that originates from the Indian subcontinent.
While oil pulling should be followed by brushing and flossing, I’ve had patients who believe oil pulling is a replacement for these practices.
There has been some research on the potential of oil pulling to treat gum disease or other diseases in the mouth. But overall, evidence that supports the effectiveness of oil pulling is of low certainty.
For example, studies that test the effectiveness of oil pulling have been conducted on school-aged children and people with no dental problems, and often measure dental plaque growth over a few days to a couple of weeks.
Chlorhexidine is an ingredient found in some commercially available mouthwashes.
In one study, people who rinsed with chlorhexidine mouthwash (30 seconds twice daily) developed less plaque on their teeth compared to those who undertook oil pulling for eight to 10 minutes.Ultimately, it’s unlikely you will experience measurable gain to your oral health by adding oil pulling to your daily routine. If you’re time-poor, you’re better off focusing on brushing your teeth and gums well alongside flossing.
3. Using rubber bands to fix gaps
This TikTok influencer shows his followers he closed the gaps between his front teeth in a week using cheap clear rubber bands.
But this person may be one of the lucky few to successfully use bands to close a gap in his teeth without any mishaps. Front teeth are slippery and taper near the gums into cone-shaped roots. This can cause bands to slide and disappear into the gums to surround the tooth roots, which can cause infections and pain.
If this happens, you may require surgery that involves cutting your gums to remove the bands. If the bands have caused an infection, you may lose the affected teeth. So it’s best to leave this sort of work to a dental professional trained in orthodontics.
4. Filing or cutting teeth to shape them
My teeth hurt just watching this video.
Cutting or filing teeth unnecessarily can expose the second, more sensitive tooth layer, called dentine, or potentially, the nerve and blood vessels inside the tooth. People undergoing this sort of procedure could experience anything from sensitive teeth through to a severe toothache that requires root canal treatment or tooth removal.
You may notice dentist drills spray water when cutting to protect your teeth from extreme heat damage. The drill in this video is dry with no water used to cool the heat produced during cutting.
It may also not be sterile. We like to have everything clean and sterile to prevent contaminated instruments used on one patient from potentially spreading an infection to another person.
Importantly, once you cut or file your teeth away, it’s gone forever. Unlike bone, hair or nails, our teeth don’t have the capacity to regrow.
5. DIY fillings
Many people on TikTok demonstrate filling cavities (holes) or replacing gaps between teeth with a material made from heated moulded plastic beads. DIY fillings can cause a lot of issues – I’ve seen this in my clinic first hand.
While we may make it look simple in dental surgeries, the science behind filling materials and how we make them stick to teeth to fill cavities is sophisticated.
Filling a cavity with the kind of material made from these beads will be as effective as using sticky tape on sand. Not to mention the cavity will continue to grow bigger underneath the untreated “filled” teeth.
I know it’s easy to say “see a dentist about that cavity” or “go to an orthodontist to fix that gap in your teeth you don’t like”, but it can be expensive to actually do these things. However if you end up requiring treatment to fix the issues caused at home, it may end up costing you much more.
So what’s the take-home message? Stick with the funny cat and dog videos on TikTok – they’re safer for your smile.
Arosha Weerakoon, Senior Lecturer and General Dentist, School of Dentistry, The University of Queensland
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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1 in 5 US Women Aged 50–64 Has Used GLP-1 RAs: What We’ve Learned
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…and other items from this week’s health news:
How common are GLP-1 RA side effects?
First, a caveat: this is a US-only report, and it’s based on self-reports, so it may be subject to reporting bias (i.e. there undoubtedly are at least some people who pinky promise they haven’t used GLP-1 receptor agonists, but in fact are making use of their secret weapon).
However, taking it at face value: women aged 50–64 have the highest rate of GLP-1 use of any demographic group surveyed, with 1 in 5 reporting having used them, and indeed, GLP-1 prescriptions have more than tripled since 2020, with middle-aged women leading the adoption surge in recent years.
Amongst all users, the top-reported side effects were:
- nausea: by 52.0% (43.2% mild, 8.8% serious)
- diarrhea: by 34.3% (26.8% mild, 7.5% serious)
- vomiting: by 19.8% (14.4% mild, 5.4% serious)
- hollowed-out face: by 8.5% (7.4% mild, 1.1% serious)
These numbers are interesting, given that statistics also show that of those who use GLP-1 RA drugs, 54% quit within one year, with that number rising to 72% within two years.
Read in full: GLP-1 Agonist Use and Side Effects in the United States
Related: Most People Who Start GLP-1 RAs Quit Them Within A Year (Here’s Why) ← there are four main reasons people stop; side effects are number two on the list
Having the time of our life
Most people know that our circadian rhythm is part of what regulates when we get sleepy, but lesser-known regulators also help digestive organs maintain rhythms, especially under stress or disruption.
- The bad news: problems occur when irregular mealtimes, shift work, or jet lag trigger stress responses and contribute to diseases like fatty liver, IBD, diabetes, and more.
- The good news: we have back-ups, and even without the core clock genes being expressed correctly, many rhythmic genes stay on 24-hour cycles due to alternate regulators
In order to help our body to help us, therefore, eating or taking medicine at specific times (see our “related” below) can help a lot.
Read in full: Timing matters: How noncanonical clock regulators help digestive organs adapt to stress and disease
Related: The Other Circadian Rhythms
Gut health vs osteoporosis
Another thing that most people (or at least, women over a certain age) know, is that untreated menopause increases osteoporosis risk significantly. This is largely because estrogen and progesterone each play a role in bone turnover, and without them being at correct levels, it’s difficult for the body to replace bone in a timely fashion.
Now, researchers have discovered that part of the problem is that postmenopausal estrogen withdrawal increases gut permeability, which lets pro-inflammatory cells and molecules reach bone marrow, thus triggering bone loss.
Or, as the researchers put it:
❝gut-derived inflammation shifts the immune balance towards osteoclast-promoting cytokines like IL-17, TNF-α and RANKL, contributing to bone resorption❞
In terms of what this means in practice, they noted that women with postmenopausal osteoporosis have reduced gut microbial diversity, fewer SCFA-producing bacteria (e.g. Butyricicoccus, Fusicatenibacter), and more inflammatory pathobionts (e.g. Klebsiella, Escherichia).
There are three main remedies suggested; the first two we’ll quote directly as they were already presented neatly in the paper; the other we’ll paraphrase in brief below:
- supplementation with Lactobacillus and Bifidobacterium improves gut integrity, reduces inflammation, and suppresses osteoclast activity
- fecal microbiota transplantation from healthy donors restores gut barrier function, rebalances immune cells, and prevents bone loss
They also recommend a high-fiber diet, the better to feed gut microbes that produce short-chain fatty acids, which support gut barrier health, enhance calcium absorption, and help regulate immune and bone cells to do their respective jobs correctly.
Read in full: Gut microbiota and short chain fatty acids influence bone health in postmenopausal osteoporosis
Related: Valeric Acid & Bacterioides Vulgatus: Is Your Gut Leading You Into Osteoporosis?
Take care!
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Guava vs Kiwi – Which is Healthier?
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Our Verdict
When comparing guava to kiwi, we picked the guava.
Why?
Both are great! But…
In terms of macros, guava has nearly 2x the fiber for the same carbs, and more than 2x the protein, winning in this category.
In the category of vitamins, guava has more of vitamins A, B1, B2, B3, B5, B6, B7, B9, and C, while kiwi has more of vitamins E and K, giving guava a 9:2 win in this round.
Looking at minerals, guava has more copper, magnesium, manganese, phosphorus, potassium, selenium, and zinc, while kiwi has more calcium and iron, meaning a 7:2 win for guava here.
In other considerations, kiwi does have some anticancer properties beyond what guava can boast, so that’s a point for kiwi.
Adding up the sections makes for an overall win for guava, but by all means enjoy either or both, as diversity is good!
Want to learn more?
You might like:
Top 8 Fruits That Prevent & Kill Cancer
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Why is cancer called cancer? We need to go back to Greco-Roman times for the answer
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One of the earliest descriptions of someone with cancer comes from the fourth century BC. Satyrus, tyrant of the city of Heracleia on the Black Sea, developed a cancer between his groin and scrotum. As the cancer spread, Satyrus had ever greater pains. He was unable to sleep and had convulsions.
Advanced cancers in that part of the body were regarded as inoperable, and there were no drugs strong enough to alleviate the agony. So doctors could do nothing. Eventually, the cancer took Satyrus’ life at the age of 65.
Cancer was already well known in this period. A text written in the late fifth or early fourth century BC, called Diseases of Women, described how breast cancer develops:
hard growths form […] out of them hidden cancers develop […] pains shoot up from the patients’ breasts to their throats, and around their shoulder blades […] such patients become thin through their whole body […] breathing decreases, the sense of smell is lost […]
Other medical works of this period describe different sorts of cancers. A woman from the Greek city of Abdera died from a cancer of the chest; a man with throat cancer survived after his doctor burned away the tumour.
Where does the word ‘cancer’ come from?
Why does the word ‘cancer’ have its roots in the ancient Greek and Latin words for crab? The physician Galen offers one explanation. Pierre Roche Vigneron/Wikimedia The word cancer comes from the same era. In the late fifth and early fourth century BC, doctors were using the word karkinos – the ancient Greek word for crab – to describe malignant tumours. Later, when Latin-speaking doctors described the same disease, they used the Latin word for crab: cancer. So, the name stuck.
Even in ancient times, people wondered why doctors named the disease after an animal. One explanation was the crab is an aggressive animal, just as cancer can be an aggressive disease; another explanation was the crab can grip one part of a person’s body with its claws and be difficult to remove, just as cancer can be difficult to remove once it has developed. Others thought it was because of the appearance of the tumour.
The physician Galen (129-216 AD) described breast cancer in his work A Method of Medicine to Glaucon, and compared the form of the tumour to the form of a crab:
We have often seen in the breasts a tumour exactly like a crab. Just as that animal has feet on either side of its body, so too in this disease the veins of the unnatural swelling are stretched out on either side, creating a form similar to a crab.
Not everyone agreed what caused cancer
The physician Erasistratus didn’t think black bile was to blame. Didier Descouens/Musée Ingres-Bourdelle/Wikimedia, CC BY-SA In the Greco-Roman period, there were different opinions about the cause of cancer.
According to a widespread ancient medical theory, the body has four humours: blood, yellow bile, phlegm and black bile. These four humours need to be kept in a state of balance, otherwise a person becomes sick. If a person suffered from an excess of black bile, it was thought this would eventually lead to cancer.
The physician Erasistratus, who lived from around 315 to 240 BC, disagreed. However, so far as we know, he did not offer an alternative explanation.
How was cancer treated?
Cancer was treated in a range of different ways. It was thought that cancers in their early stages could be cured using medications.
These included drugs derived from plants (such as cucumber, narcissus bulb, castor bean, bitter vetch, cabbage); animals (such as the ash of a crab); and metals (such as arsenic).
Galen claimed that by using this sort of medication, and repeatedly purging his patients with emetics or enemas, he was sometimes successful at making emerging cancers disappear. He said the same treatment sometimes prevented more advanced cancers from continuing to grow. However, he also said surgery is necessary if these medications do not work.
Surgery was usually avoided as patients tended to die from blood loss. The most successful operations were on cancers of the tip of the breast. Leonidas, a physician who lived in the second and third century AD, described his method, which involved cauterising (burning):
I usually operate in cases where the tumours do not extend into the chest […] When the patient has been placed on her back, I incise the healthy area of the breast above the tumour and then cauterize the incision until scabs form and the bleeding is stanched. Then I incise again, marking out the area as I cut deeply into the breast, and again I cauterize. I do this [incising and cauterizing] quite often […] This way the bleeding is not dangerous. After the excision is complete I again cauterize the entire area until it is dessicated.
Cancer was generally regarded as an incurable disease, and so it was feared. Some people with cancer, such as the poet Silius Italicus (26-102 AD), died by suicide to end the torment.
Patients would also pray to the gods for hope of a cure. An example of this is Innocentia, an aristocratic lady who lived in Carthage (in modern-day Tunisia) in the fifth century AD. She told her doctor divine intervention had cured her breast cancer, though her doctor did not believe her.
Innocentia from Carthage, in modern-day Tunisia, believed divine intervention cured her breast cancer. Valery Bareta/Shutterstock From the past into the future
We began with Satyrus, a tyrant in the fourth century BC. In the 2,400 years or so since then, much has changed in our knowledge of what causes cancer, how to prevent it and how to treat it. We also know there are more than 200 different types of cancer. Some people’s cancers are so successfully managed, they go on to live long lives.
But there is still no general “cure for cancer”, a disease that about one in five people develop in their lifetime. In 2022 alone, there were about 20 million new cancer cases and 9.7 million cancer deaths globally. We clearly have a long way to go.
Konstantine Panegyres, McKenzie Postdoctoral Fellow, Historical and Philosophical Studies, The University of Melbourne
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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How (And Why) To Do Foot-Rolling
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Foot rolling isn’t just for pain relief—it helps rewire nerve connections, improve balance, and support overall well-being.
There are some things to bear in mind if you want to benefit, though:
On the ball
With the ball underfoot, roll the ball back and forth and in small circles for a couple of minutes, and:
- if you find a tender spot, press there and roll for about 15 seconds before continuing
- if doing this while seated, lean forwards slightly to apply your weight to it at the correct angle
- if you can, do it while standing though, as this will enable you to get the full benefits of not just the foot pressure, but also the improvement to your balance and stabilization muscles
Because of the nerve connections, this can (especially if you use a massage ball, the kind with many small blunt spikes) also engage your parasympathetic nervous system, thus activating your relaxation response, which means lowered cortisol levels, improved digestion and healing, and various other “rest and digest” benefits that one doesn’t get while in fight-or-flight mode or even in neutral.
For more on this plus a visual demonstration, enjoy:
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Want to learn more?
You might also like:
The Vagus Nerve (And How You Can Make Use Of It) ← the vagus nerve doesn’t go all the way down to the feet itself, of course, but the message will get up to the vagus nerve anyway
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