Matcha is having a moment. What are the health benefits of this green tea drink?
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Matcha has experienced a surge in popularity in recent months, leading to reports of global shortages and price increases.
If you haven’t been caught up in the craze, matcha is a powdered version of green tea. On a cafe menu you might see a hot or iced matcha latte, or even a matcha-flavoured cake or pastry. A quick google brings up countless recipes incorporating matcha, both sweet and savoury.
Retailers and cafe owners have suggested the main reasons for matcha’s popularity include its “instagrammable” looks and its purported health benefits.
But what are the health benefits of matcha? Here’s what the evidence says.
First, what is matcha?
Matcha is a finely ground powder of green tea leaves, which come from the plant Camellia sinensis. This is the same plant used to make green and black tea. However, the production process differentiates matcha from green and black tea.
For matcha, the tea plant is grown in shade. Once the leaves are harvested, they’re steamed and dried and the stems are removed. Then the leaves are carefully ground at controlled temperatures to form the powder.
The production process for green tea is simpler. The leaves are picked from the unshaded plants, heated and then dried. We then steep the dried leaves in hot water to get tea (whereas with matcha the whole leaf is consumed).
With black tea, after the leaves are picked they’re exposed to air, which leads to oxidation. This makes the leaves black and gives the tea a different flavour.
A source of phytonutrients
Phytonutrients are chemical compounds found in plants which have a range of benefits for human health. Matcha contains several.
Chlorophyll gives plants such as Camellia sinensis their green colour. There’s some evidence chlorophyll may have health benefits – including anti-inflammatory, anti-cancer and anti-obesity effects – due to its antioxidant properties. Antioxidants neutralise free radicals, which are unstable molecules that harm our cells.
Theanine has been shown to improve sleep and reduce stress and anxiety. The only other known dietary source of theanine is mushrooms.
Caffeine is a phytonutrient we know well. Aside from increasing alertness, caffeine has also demonstrated antioxidant effects and some protection against a range of chronic and neurodegenerative diseases. However, too much caffeine can have negative side effects.
Interestingly, shading the plants while growing appears to change the nutritional composition of the leaf and may lead to higher levels of these phytonutrients in matcha compared to green tea.
Another compound worth mentioning is called catechins, of which there are several different types. Matcha powder similarly has more catechins than green tea. They are strong antioxidants, which have been shown to have protective effects against bacteria, viruses, allergies, inflammation and cancer. Catechins are also found in apples, blueberries and strawberries.
What are the actual health benefits?
So we know matcha contains a variety of phytonutrients, but does this translate to noticeable health benefits?
A review published in 2023 identified only five experimental studies that have given matcha to people. These studies gave participants about 2–4g of matcha per day (equivalent to 1–2 teaspoons of matcha powder), compared to a placebo, as either a capsule, in tea or in foods. Matcha decreased stress and anxiety, and improved memory and cognitive function. There was no effect on mood.
A more recent study showed 2g of matcha in older people aged 60 to 85 improved sleep quality. However, in younger people aged 27 to 64 in another study, matcha had little effect on sleep.
A study in people with obesity found no difference in the weight loss observed between the matcha group and the control group. This study did not randomise participants, and people knew which group they had been placed in.
It could be hypothesised that given you consume all of the leaf, and given levels of some phytonutrients may be higher due to the growing conditions, matcha may have more nutritional benefits than green tea. But to my knowledge there has been no direct comparison of health outcomes from green tea compared to matcha.
There’s lots of evidence for green tea
While to date a limited number of studies have looked at matcha, and none compared matcha and green tea, there’s quite a bit of research on the health benefits of drinking green tea.
A systematic review of 21 studies on green tea has shown similar benefits to matcha for improvements in memory, plus evidence for mood improvement.
There’s also evidence green tea provides other health benefits. Systematic reviews have shown green tea leads to weight loss in people with obesity, lower levels of certain types of cholesterol, and reduced blood pressure. Green tea may also lower the risk of certain types of cancer.
So, if you can’t get your hands on matcha at the moment, drinking green tea may be a good way to get your caffeine hit.
Although the evidence on green tea provides us with some hints about the health benefits of matcha, we can’t be certain they would be the same. Nonetheless, if your local coffee shop has a good supply of matcha, there’s nothing to suggest you shouldn’t keep enjoying matcha drinks.
However, it may be best to leave the matcha croissant or cronut for special occasions. When matcha is added to foods with high levels of added sugar, salt and saturated fat, any health benefits that could be attributed to the matcha may be negated.
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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Celery vs Cucumber – Which is Healthier?
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Our Verdict
When comparing celery to cucumber, we picked the celery.
Why?
They are both great, of course! But celery came out on top:
Their macros are very comparable; they’re both 95% water with just enough other things to hold them together, and those other things are in approximately the same proportions in both celery and cucumber.
In the category of vitamins, however, celery has a lot more of vitamins A, B2, B3, B6, B9, E, and K, as well as slightly more vitamin C. Cucumber, meanwhile, only boasts slightly higher vitamin B1.
An easy win for celery on the vitamin front!
Minerals are closer, but celery still comes out on top with its notably higher calcium and potassium content. Cucumber has more iron and zinc, but the margin is smaller.
As a point in cucumber’s favor, it has been noted for its anti-inflammatory effect in ways that celery hasn’t, but we don’t think this is enough to say it wins over celery sweeping the vitamins category and coming out top for minerals too.
However! They are both great, so enjoy them both, of course.
Want to learn more?
You might like to read:
- Cucumber Extract Beats Glucosamine & Chondroitin… At 1/135th Of The Dose?!
- Some Surprising Truths About Hunger And Satiety ← both celery and cucumber are great for this
Enjoy!
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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).
Take care!
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Dr. Suzanne Steinbaum’s Heart Book – by Dr. Suzanne Steinbaum
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The book is divided into three parts:
- What you should know
- What you should do
- All about you
This is a very useful format, since it lays out all the foundational knowledge, before offering practical advice and “how to” explanations, before finally wrapping up with personalizing things.
The latter is important, because while our basic risk factors can be assembled in a few lines of data (age, sex, race, genes, diet, exercise habits, etc) there’s a lot more to us than that, and oftentimes the data that doesn’t make the cut, makes the difference. Hormones on high on this list; we can say that a person is a 65-year-old woman and make a guess, but that’s all it is: a guess. Very few of us are the “average person” that statistical models represent accurately. And nor are social and psychological factors irrelevant; in fact often they are deciding factors!
So, it’s important to be able to look at ourselves as the whole persons we are, or else we’ll get a heart-healthy protocol that works on paper but actually falls flat in application, because the mathematical model didn’t take into account that lately we have been very stressed about such-and-such a thing, and deeply anxious about so-and-so, and a hopefully short-term respiratory infection has reduced blood oxygen levels, and all these kinds of things need to be taken into account too, for an overall plan to work.
The greatest strength of this book is that it attends to that.
The style of the book is a little like a long sales pitch (when all that’s being sold, by the way, is the ideas the book is offering; she wants you to take her advice with enthusiasm), but there’s plenty of very good information all the way through, making it quite worth the read.
Bottom line: if you’re a woman and/or love at least one woman, then you can benefit from this important book for understanding heart health that’s not the default.
Click here to check out Dr. Suzanne Steinbaum’s Heart Book, and enjoy a heart-healthy life!
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The Truth About Statins – by Barbara H. Roberts, M.D.
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All too often, doctors looking to dispense a “quick fix” will prescribe from their playbook of a dozen or so “this will get you out of my office” drugs. Most commonly, things that treat symptoms rather than the cause. Sometimes, this can be fine! For example, in some cases, painkillers and antidepressants can make a big improvement to people’s lives. What about statins, though?
Prescribed to lower cholesterol, they broadly do exactly that. However…
Dr. Roberts wants us to know that we could be missing the big picture of heart health, and making a potentially fatal mistake.
This is not to say that the book argues that statins are necessarily terrible, or that they don’t have their place. Just, we need to understand what they will and won’t do, and make an informed choice.
To which end, she does advise regards when statins can help the most, and when they may not help at all. She also covers the questions to ask if your doctor wants to prescribe them. And—all so frequently overlooked—the important differences between men’s and women’s heart health, and the implications these have for the efficacy (or not) of statins.
With regard to the “alternatives to cholesterol-lowering drugs” promised in the subtitle… we won’t keep any secrets here:
Dr. Roberts (uncontroversially) recommends the Mediterranean diet. She also provides two weeks’ worth of recipes for such, in the final part of the book.
All in all, an important book to read if you or a loved one are taking, or thinking of taking, statins.
Pick up your copy of The Truth About Statins on Amazon today!
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The Compass of Pleasure – by Dr. David Linden
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There are a lot of books about addiction, so what sets this one apart?
Mostly, it’s that this one maintains that addiction is neither good nor bad per se—just, some behaviors and circumstances are. Behaviors and circumstances caused, directly or indirectly, by addiction.
But, Dr. Linden argues, not every addiction has to be so. Especially behavioral addictions; the rush of dopamine one gets from a good session at the gym or learning a new language, that’s not a bad thing, even if they can fundamentally be addictions too.
Similarly, we wouldn’t be here as a species without some things that rely on some of the same biochemistry as addictions; orgasms and eating food, for example. Yet, those very same urges can also inconvenience us, and in the case of foods and other substances, can harm our health.
In this book, the case is made for shifting our addictive tendencies to healthier addictions, and enough information is given to help us do so.
Bottom line: if you’d like to understand what is going on when you get waylaid by some temptation, and how to be tempted to better things, this book can give the understanding to do just that.
Click here to check out The Compass of Pleasure, and make yours work in your favor!
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Clean Needles Save Lives. In Some States, They Might Not Be Legal.
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Kim Botteicher hardly thinks of herself as a criminal.
On the main floor of a former Catholic church in Bolivar, Pennsylvania, Botteicher runs a flower shop and cafe.
In the former church’s basement, she also operates a nonprofit organization focused on helping people caught up in the drug epidemic get back on their feet.
The nonprofit, FAVOR ~ Western PA, sits in a rural pocket of the Allegheny Mountains east of Pittsburgh. Her organization’s home county of Westmoreland has seen roughly 100 or more drug overdose deaths each year for the past several years, the majority involving fentanyl.
Thousands more residents in the region have been touched by the scourge of addiction, which is where Botteicher comes in.
She helps people find housing, jobs, and health care, and works with families by running support groups and explaining that substance use disorder is a disease, not a moral failing.
But she has also talked publicly about how she has made sterile syringes available to people who use drugs.
“When that person comes in the door,” she said, “if they are covered with abscesses because they have been using needles that are dirty, or they’ve been sharing needles — maybe they’ve got hep C — we see that as, ‘OK, this is our first step.’”
Studies have identified public health benefits associated with syringe exchange services. The Centers for Disease Control and Prevention says these programs reduce HIV and hepatitis C infections, and that new users of the programs are more likely to enter drug treatment and more likely to stop using drugs than nonparticipants.
This harm-reduction strategy is supported by leading health groups, such as the American Medical Association, the World Health Organization, and the International AIDS Society.
But providing clean syringes could put Botteicher in legal danger. Under Pennsylvania law, it’s a misdemeanor to distribute drug paraphernalia. The state’s definition includes hypodermic syringes, needles, and other objects used for injecting banned drugs. Pennsylvania is one of 12 states that do not implicitly or explicitly authorize syringe services programs through statute or regulation, according to a 2023 analysis. A few of those states, but not Pennsylvania, either don’t have a state drug paraphernalia law or don’t include syringes in it.
Those working on the front lines of the opioid epidemic, like Botteicher, say a reexamination of Pennsylvania’s law is long overdue.
There’s an urgency to the issue as well: Billions of dollars have begun flowing into Pennsylvania and other states from legal settlements with companies over their role in the opioid epidemic, and syringe services are among the eligible interventions that could be supported by that money.
The opioid settlements reached between drug companies and distributors and a coalition of state attorneys general included a list of recommendations for spending the money. Expanding syringe services is listed as one of the core strategies.
But in Pennsylvania, where 5,158 people died from a drug overdose in 2022, the state’s drug paraphernalia law stands in the way.
Concerns over Botteicher’s work with syringe services recently led Westmoreland County officials to cancel an allocation of $150,000 in opioid settlement funds they had previously approved for her organization. County Commissioner Douglas Chew defended the decision by saying the county “is very risk averse.”
Botteicher said her organization had planned to use the money to hire additional recovery specialists, not on syringes. Supporters of syringe services point to the cancellation of funding as evidence of the need to change state law, especially given the recommendations of settlement documents.
“It’s just a huge inconsistency,” said Zoe Soslow, who leads overdose prevention work in Pennsylvania for the public health organization Vital Strategies. “It’s causing a lot of confusion.”
Though sterile syringes can be purchased from pharmacies without a prescription, handing out free ones to make drug use safer is generally considered illegal — or at least in a legal gray area — in most of the state. In Pennsylvania’s two largest cities, Philadelphia and Pittsburgh, officials have used local health powers to provide legal protection to people who operate syringe services programs.
Even so, in Philadelphia, Mayor Cherelle Parker, who took office in January, has made it clear she opposes using opioid settlement money, or any city funds, to pay for the distribution of clean needles, The Philadelphia Inquirer has reported. Parker’s position signals a major shift in that city’s approach to the opioid epidemic.
On the other side of the state, opioid settlement funds have had a big effect for Prevention Point Pittsburgh, a harm reduction organization. Allegheny County reported spending or committing $325,000 in settlement money as of the end of last year to support the organization’s work with sterile syringes and other supplies for safer drug use.
“It was absolutely incredible to not have to fundraise every single dollar for the supplies that go out,” said Prevention Point’s executive director, Aaron Arnold. “It takes a lot of energy. It pulls away from actual delivery of services when you’re constantly having to find out, ‘Do we have enough money to even purchase the supplies that we want to distribute?’”
In parts of Pennsylvania that lack these legal protections, people sometimes operate underground syringe programs.
The Pennsylvania law banning drug paraphernalia was never intended to apply to syringe services, according to Scott Burris, director of the Center for Public Health Law Research at Temple University. But there have not been court cases in Pennsylvania to clarify the issue, and the failure of the legislature to act creates a chilling effect, he said.
Carla Sofronski, executive director of the Pennsylvania Harm Reduction Network, said she was not aware of anyone having faced criminal charges for operating syringe services in the state, but she noted the threat hangs over people who do and that they are taking a “great risk.”
In 2016, the CDC flagged three Pennsylvania counties — Cambria, Crawford, and Luzerne — among 220 counties nationwide in an assessment of communities potentially vulnerable to the rapid spread of HIV and to new or continuing high rates of hepatitis C infections among people who inject drugs.
Kate Favata, a resident of Luzerne County, said she started using heroin in her late teens and wouldn’t be alive today if it weren’t for the support and community she found at a syringe services program in Philadelphia.
“It kind of just made me feel like I was in a safe space. And I don’t really know if there was like a come-to-God moment or come-to-Jesus moment,” she said. “I just wanted better.”
Favata is now in long-term recovery and works for a medication-assisted treatment program.
At clinics in Cambria and Somerset Counties, Highlands Health provides free or low-cost medical care. Despite the legal risk, the organization has operated a syringe program for several years, while also testing patients for infectious diseases, distributing overdose reversal medication, and offering recovery options.
Rosalie Danchanko, Highlands Health’s executive director, said she hopes opioid settlement money can eventually support her organization.
“Why shouldn’t that wealth be spread around for all organizations that are working with people affected by the opioid problem?” she asked.
In February, legislation to legalize syringe services in Pennsylvania was approved by a committee and has moved forward. The administration of Gov. Josh Shapiro, a Democrat, supports the legislation. But it faces an uncertain future in the full legislature, in which Democrats have a narrow majority in the House and Republicans control the Senate.
One of the bill’s lead sponsors, state Rep. Jim Struzzi, hasn’t always supported syringe services. But the Republican from western Pennsylvania said that since his brother died from a drug overdose in 2014, he has come to better understand the nature of addiction.
In the committee vote, nearly all of Struzzi’s Republican colleagues opposed the bill. State Rep. Paul Schemel said authorizing the “very instrumentality of abuse” crossed a line for him and “would be enabling an evil.”
After the vote, Struzzi said he wanted to build more bipartisan support. He noted that some of his own skepticism about the programs eased only after he visited Prevention Point Pittsburgh and saw how workers do more than just hand out syringes. These types of programs connect people to resources — overdose reversal medication, wound care, substance use treatment — that can save lives and lead to recovery.
“A lot of these people are … desperate. They’re alone. They’re afraid. And these programs bring them into someone who cares,” Struzzi said. “And that, to me, is a step in the right direction.”
At her nonprofit in western Pennsylvania, Botteicher is hoping lawmakers take action.
“If it’s something that’s going to help someone, then why is it illegal?” she said. “It just doesn’t make any sense to me.”
This story was co-reported by WESA Public Radio and Spotlight PA, an independent, nonpartisan, and nonprofit newsroom producing investigative and public-service journalism that holds power to account and drives positive change in Pennsylvania.
KFF Health News is a national newsroom that produces in-depth journalism about health issues and is one of the core operating programs at KFF—an independent source of health policy research, polling, and journalism. Learn more about KFF.
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