The China Study – by Dr. T Colin Campbell and Dr. Thomas M. Campbell

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This is not the newest book we’ve reviewed (originally published 2005; this revised and expanded edition 2016), but it is a seminal one.

You’ve probably heard it referenced, and maybe you’ve wondered what the fuss is about. Now you can know!

The titular study itself was huge. We tend to think “oh there was one study” and look to discount it, but it literally looked at the population of China. That’s a large study.

And because China is relatively ethnically homogenous, especially per region, it was easier to isolate what dietary factors made what differences to health. Of course, that did also create a limitation: follow-up studies would be needed to see if the results were the same for non-Chinese people. But even for the rest of us (this reviewer is not Chinese), it already pointed science in the right direction. And sure enough, smaller follow-up studies elsewhere found the same.

But enough about the research; what about the book? This is a book review, not a research review, after all.

The book itself is easy for a lay reader to understand. It explains how the study was conducted (no small feat), and how the data was examined. It also discusses the results, and the conclusions drawn from those results.

In light of all this, it also offers simple actionable advices, on how to eat to avoid disease in general, and cancer in particular. In especially that latter case, one take-home conclusion was: get more of your protein from plants for a big reduction in cancer risk, for example.

Bottom line: this book is an incredible blend of “comprehensive” and “readable” that we don’t often find in the same book! It contains not just a lot of science, but also an insight into how the science works, on a research level. And, of course, its results and conclusions have strong implications for all our lives.

Click here to check out The China Study, to know more about it!

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  • Is Air-Fried Food Really Healthier?

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    Air-frying has a reputation for being healthy—and it generally is, provided it’s used carefully:

    Just one thing to watch out for

    An air-fryer is basically a small convection oven that uses circulating air rather than immersion in oil to cook food. The smallness of an air-fryer is a feature not a bug—if you get an air-fryer over a certain size, then congratulations, you just have a convection oven. The small size it what helps it to cook so efficiently. This is one reason that they’re not really used in industrial settings.

    The documentary-makers from this video had their food (chicken, fish, and fries) lab-tested (for fat, cholesterol, and acrylamide), and found:

    • Air-frying significantly reduced saturated fat (38–53%) and trans fats (up to 55%) in some foods.
    • Cholesterol reduction varied depending on the food type.
    • Acrylamide levels in air-fried potatoes were much higher due to cooking time and temperature.

    About that acrylamide: acrylamide forms in starchy foods at high temperatures and may pose cancer risks (the research is as yet unclear, with conflicting evidence). Air-frying can cause higher acrylamide levels if cooking is prolonged or temperatures are too high.

    Recommendations to reduce acrylamide:

    • Soak potatoes before cooking.
    • Use lower temperatures (e.g. 180℃/350℉) and shorter cooking times.
    • Avoid over-browning food.

    For more on all of this, enjoy:

    Click Here If The Embedded Video Doesn’t Load Automatically!

    Want to learn more?

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    Unlock Your Air-Fryer’s Potential!

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  • Goji Berries vs Pomegranate – Which is Healthier?

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    Our Verdict

    When comparing goji berries to pomegranate, we picked the goji berries.

    Why?

    Both fruits with substantial phytochemical benefits, but…

    In terms of macros, goji berries have a lot more protein, carbs, and fiber, the ratio of which latter two brings the glycemic index to the same place as pomegranate’s—specifically, that eating either of these will not raise a person’s blood glucose levels. We thus call this a win for goji berries, as the “more food per food” option.

    In the category of vitamins, goji berries have a lot more of vitamins A, B3, B6, and C, while pomegranate is not higher in any vitamins.

    When it comes to minerals, goji berries have more calcium, iron, magnesium, selenium, and zinc, while pomegranate has more copper. Another win for goji berries here.

    With regard to those phytochemical benefits we talked about; it’s worth noting that they come in abundance in goji berries, while in pomegranates, most of the benefits are in the peel, not the flesh/seeds that people most often eat. So, again goji berries win.

    Adding up the sections makes for an easy win for goji berries today.

    Want to learn more?

    You might like to read:

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  • What’s the difference between a psychopath and a sociopath? Less than you might think

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    Articles about badly behaved people and how to spot them are common. You don’t have to Google or scroll too much to find headlines such as 7 signs your boss is a psychopath or How to avoid the sociopath next door.

    You’ll often see the terms psychopath and sociopath used somewhat interchangeably. That applies to perhaps the most famous badly behaved fictional character of all – Hannibal Lecter, the cannibal serial killer from The Silence of the Lambs.

    In the book on which the movie is based, Lecter is described as a “pure sociopath”. But in the movie, he’s described as a “pure psychopath”. Psychiatrists have diagnosed him with something else entirely.

    So what’s the difference between a psychopath and a sociopath? As we’ll see, these terms have been used at different times in history, and relate to some overlapping concepts.

    Benoit Daoust/Shutterstock

    What’s a psychopath?

    Psychopathy has been mentioned in the psychiatric literature since the 1800s. But the latest edition of the Diagnostic Statistical Manual of Mental Disorders (known colloquially as the DSM) doesn’t list it as a recognised clinical disorder.

    Since the 1950s, labels have changed and terms such as “sociopathic personality disturbance” have been replaced with antisocial personality disorder, which is what we have today.

    The Silence of the Lambs movie poster
    Was Hannibal Lecter from The Silence of the Lambs a psychopath, a sociopath or something else entirely? Ralf Liebhold/Shutterstock

    Someone with antisocial personality disorder has a persistent disregard for the rights of others. This includes breaking the law, repeated lying, impulsive behaviour, getting into fights, disregarding safety, irresponsible behaviours, and indifference to the consequences of their actions.

    To add to the confusion, the section in the DSM on antisocial personality disorder mentions psychopathy (and sociopathy) traits. In other words, according to the DSM the traits are part of antisocial personality disorder but are not mental disorders themselves.

    US psychiatrist Hervey Cleckley provided the first formal description of psychopathy traits in his 1941 book The Mask of Sanity. He based his description on his clinical observations of nine male patients in a psychiatric hospital. He identified several key characteristics, including superficial charm, unreliability and a lack of remorse or shame.

    Canadian psychologist Professor Robert Hare refined these characteristics by emphasising interpersonal, emotional and lifestyle characteristics, in addition to the antisocial behaviours listed in the DSM.

    When we draw together all these strands of evidence, we can say a psychopath manipulates others, shows superficial charm, is grandiose and is persistently deceptive. Emotional traits include a lack of emotion and empathy, indifference to the suffering of others, and not accepting responsibility for how their behaviour impacts others.

    Finally, a psychopath is easily bored, sponges off others, lacks goals, and is persistently irresponsible in their actions.

    So how about a sociopath?

    The term sociopath first appeared in the 1930s, and was attributed to US psychologist George Partridge. He emphasised the societal consequences of behaviour that habitually violates the rights of others.

    Academics and clinicians often used the terms sociopath and psychopath interchangeably. But some preferred the term sociopath because they said the public sometimes confused the word psychopath with psychosis.

    “Sociopathic personality disturbance” was the term used in the first edition of the DSM in 1952. This aligned with the prevailing views at the time that antisocial behaviours were largely the product of the social environment, and that behaviours were only judged as deviant if they broke social, legal, and/or cultural rules.

    Some of these early descriptions of sociopathy are more aligned with what we now call antisocial personality disorder. Others relate to emotional characteristics similar to Cleckley’s 1941 definition of a psychopath.

    In short, different people had different ideas about sociopathy and, even today, sociopathy is less-well defined than psychopathy. So there is no single definition of sociopathy we can give you, even today. But in general, its antisocial behaviours can be similar to ones we see with psychopathy.

    Over the decades, the term sociopathy fell out of favour. From the late 60s, psychiatrists used the term antisocial personality disorder instead.

    Born or made?

    Both “sociopathy” (what we now call antisocial personality disorder) and psychopathy have been associated with a wide range of developmental, biological and psychological causes.

    For example, people with psychopathic traits have certain brain differences especially in regions associated with emotions, inhibition of behaviour and problem solving. They also appear to have differences associated with their nervous system, including a reduced heart rate.

    However, sociopathy and its antisocial behaviours are a product of someone’s social environment, and tends to run in families. These behaviours has been associated with physical abuse and parental conflict.

    What are the consequences?

    Despite their fictional portrayals – such as Hannibal Lecter in Silence of the Lambs or Villanelle in the TV series Killing Evenot all people with psychopathy or sociopathy traits are serial killers or are physically violent.

    But psychopathy predicts a wide range of harmful behaviours. In the criminal justice system, psychopathy is strongly linked with re-offending, particularly of a violent nature.

    In the general population, psychopathy is associated with drug dependence, homelessness, and other personality disorders. Some research even showed psychopathy predicted failure to follow COVID restrictions.

    But sociopathy is less established as a key risk factor in identifying people at heightened risk of harm to others. And sociopathy is not a reliable indicator of future antisocial behaviour.

    In a nutshell

    Neither psychopathy nor sociopathy are classed as mental disorders in formal psychiatric diagnostic manuals. They are both personality traits that relate to antisocial behaviours and are associated with certain interpersonal, emotional and lifestyle characteristics.

    Psychopathy is thought to have genetic, biological and psychological bases that places someone at greater risk of violating other people’s rights. But sociopathy is less clearly defined and its antisocial behaviours are the product of someone’s social environment.

    Of the two, psychopathy has the greatest use in identifying someone who is most likely to cause damage to others.

    Bruce Watt, Associate Professor in Psychology, Bond University and Katarina Fritzon, Associate Professor of Psychology, Bond University

    This article is republished from The Conversation under a Creative Commons license. Read the original article.

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  • How we can prepare for future public health emergencies

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    The U.S. is experiencing an increasing number of disease outbreaks and extreme weather events. While state and national preparedness for public health emergencies has improved in some areas, dangerous gaps remain, says a recent report from Trust for America’s Health.

    Titled, “Ready or Not 2024: Protecting the Public’s Health from Diseases, Disasters, and Bioterrorism,” the report identifies gaps in national and state preparedness for public health emergencies and provides recommendations for improvement.

    Using nine key indicators, the report categorizes all U.S. states and the District of Columbia into three readiness levels: high, medium, and low. The writers hope the report will help policymakers in under-performing states improve public health infrastructure.

    Read on to learn more about what the research found and how we can individually prepare for future public health emergencies.


    There’s work to be done

    A blue chart has the title,

    The report highlights areas with strong performance as well as those that need improvement.

    Some areas with strong performance:

    • State public health funding: Most states and the District of Columbia either maintained or increased their public health funding during the 2023 fiscal year.
    • Health care labor force preparedness: Most states have started expanding the health care labor force for improved emergency response. As of 2023, 39 states participated in the Nurse Licensure Compact, which allows nurses to work in multiple member states without the need for additional state licenses.

    Some areas that need improvement:

    • Hospital safety scores: Only 25 percent of acute care hospitals earned the highest patient safety grade in fall 2023. These scores measure health care-associated infection rates, intensive care unit capacity, and other metrics. More high-scoring hospitals would improve preparedness for future public health emergencies.
    • Access to paid time off: From March 2018 to March 2023, only 55 percent of U.S. workers used paid time off. Access to paid time off is important for reducing the spread of infectious diseases.

    We can all do our part by staying up to date on vaccines

    While the report focuses on policy changes that would improve emergency preparedness, Trust for America’s Health’s research identifies one way that we can individually prepare for future public health emergencies: staying up to date on vaccines.

    The report found that during the 2022-2023 flu season, only 49 percent of those eligible for the flu vaccine received it. Public health experts are concerned that false claims about COVID-19 vaccines have resulted in overall vaccine hesitancy.

    A decline in vaccination rates has led to an uptick in life-threatening, vaccine-preventable diseases, such as measles. Increasing vaccine uptake would prevent the spread of vaccine-preventable diseases and reduce strain on hospital systems during public health crises.

    Make sure that you and your children have received all recommended vaccines to prevent severe illness, hospitalization, and death. Learn more about recommended vaccines for adults and children from the CDC.

    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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  • What Does Lion’s Mane Actually Do, Anyway?

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    Peripheral neuropathy (and what can be done about it)

    Peripheral neuropathy is nerve damage, usually of the extremities. It can be caused by such things as:

    • Diabetes
    • Alcoholism
    • Infection
    • Injury

    The manifestations can be different:

    • In the case of diabetes, it’s also called diabetic neuropathy, and almost always affects the feet first.
    • In the case of alcoholism, it is more generalized, but tends towards affecting the extremities first.
    • In the case of infection, a lot depends on the nature of the infection and the body’s response.
    • In the case of injury, it’ll naturally be the injured part, or a little “downstream” of the injured part.
      • This could be the case of a single traumatic injury (e.g. hand got trapped in a slammed door)

    This could be the case of a repetitive injury (carpal tunnel syndrome is a kind of peripheral neuropathy, and is usually caused by consistent misalignment of the carpal tunnel, the aperture through which a bundle of nerves make their way from the forearm to the hand)

    Prevention is better than cure

    If you already have peripheral neuropathy, don’t worry, we’ll get to that. But, if you can, prevention is better than cure. This means:

    • Diabetes: if you can, avoid. This may seem like no-brainer advice, but it’s often something people don’t think about until hitting a pre-diabetic stage. Obviously, if you are Type 1 Diabetic, you don’t have this luxury. But in any case, whatever your current status, take care of your blood sugars as best you can, so that your blood can take care of you (and your nerves) in turn. You might want to check out our previous main feature about this:
    • Alcoholism: obviously avoid, if you can. You might like this previous edition of 10almonds addressing this:
    • Infection: this is so varied that one-liner advice is really just “try to look after your immune health”.
      • We’ll do a main feature on this soon!
    • Injury: obviously, try to be careful. But that goes for the more insidious version too! For example, if you spend a lot of time at your computer, consider an ergonomic mouse and keyboard.

    Writer’s note: as you might guess, I spend a lot of time at my computer, and a lot of that time, writing. I additionally spend a lot of time reading. I also have assorted old injuries from my more exciting life long ago. Because of this, it’s been an investment in my health to have:

    A standing desk

    A vertical ergonomic mouse

    An ergonomic split keyboard

    A Kindle*

    *Far lighter and more ergonomic than paper books. Don’t get me wrong, I’m writing to you from a room that also contains about a thousand paper books and I dearly love those too, but more often than not, I read on my e-reader for comfort and ease.

    If you already have peripheral neuropathy

    Most advice popular on the Internet is just about pain management, but what if we want to treat the cause rather than the symptom?

    Let’s look at the things commonly suggested: try ice, try heat, try acupuncture, try spicy rubs (from brand names like Tiger Balm, to home-made chilli ointments), try meditation, try a warm bath, try massage.

    And, all of these are good options; do you see what they have in common?

    It’s about blood flow. And that’s why they can help even in the case of peripheral neuropathy that’s not painful (it can also manifest as numbness, and/or tingling sensations).

    By getting the blood flowing nicely through the affected body part, the blood can nourish the nerves and help them function correctly. This is, in effect, the opposite of what the causes of peripheral neuropathy do.

    But also don’t forget: rest

    • Put your feet up (literally! But we’re talking horizontal here, not elevated past the height of your heart)
    • Rest that weary wrist that has carpal tunnel syndrome (again, resting it flat, so your hand position is aligned with your forearm, so the nerves between are not kinked)
    • Use a brace if necessary to help the affected part stay aligned correctly
      • You can get made-for-purpose wrist and ankle braces—you can also get versions that are made for administering hot/cold therapy, too. That’s just an example product linked that we can recommend; by all means read reviews and choose for yourself, though. Try them and see what helps.

    One more top tip

    We did a feature not long back on lion’s mane mushroom, and it’s single most well-established, well-researched, well-evidenced, completely uncontested benefit is that it aids peripheral neurogenesis, that is to say, the regrowth and healing of the peripheral nervous system.

    So you might want to check that out:

    What Does Lion’s Mane Actually Do, Anyway?

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  • In Vermont, Where Almost Everyone Has Insurance, Many Can’t Find or Afford Care

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    RICHMOND, Vt. — On a warm autumn morning, Roger Brown walked through a grove of towering trees whose sap fuels his maple syrup business. He was checking for damage after recent flooding. But these days, his workers’ health worries him more than his trees’.

    The cost of Slopeside Syrup’s employee health insurance premiums spiked 24% this year. Next year it will rise 14%.

    The jumps mean less money to pay workers, and expensive insurance coverage that doesn’t ensure employees can get care, Brown said. “Vermont is seen as the most progressive state, so how is health care here so screwed up?”

    Vermont consistently ranks among the healthiest states, and its unemployment and uninsured rates are among the lowest. Yet Vermonters pay the highest prices nationwide for individual health coverage, and state reports show its providers and insurers are in financial trouble. Nine of the state’s 14 hospitals are losing money, and the state’s largest insurer is struggling to remain solvent. Long waits for care have become increasingly common, according to state reports and interviews with residents and industry officials.

    Rising health costs are a problem across the country, but Vermont’s situation surprises health experts because virtually all its residents have insurance and the state regulates care and coverage prices.

    For more than 15 years, federal and state policymakers have focused on increasing the number of people insured, which they expected would shore up hospital finances and make care more available and affordable.

    “Vermont’s struggles are a wake-up call that insurance is only one piece of the puzzle to ensuring access to care,” said Keith Mueller, a rural health expert at the University of Iowa.

    Regulators and consultants say the state’s small, aging population of about 650,000 makes spreading insurance risk difficult. That demographic challenge is compounded by geography, as many Vermonters live in rural areas, where it’s difficult to attract more health workers to address shortages.

    At least part of the cost spike can be attributed to patients crossing state lines for quicker care in New York and Massachusetts. Those visits can be more expensive for both insurers and patients because of long ambulance rides and charges from out-of-network providers.

    Patients who stay, like Lynne Drevik, face long waits. Drevik said her doctor told her in April that she needed knee replacement surgeries — but the earliest appointment would be in January for one knee and the following April for the other.

    Drevik, 59, said it hurts to climb the stairs in the 19th-century farmhouse in Montgomery Center she and her husband operate as an inn and a spa. “My life is on hold here, and it’s hard to make any plans,” she said. “It’s terrible.”

    Health experts say some of the state’s health system troubles are self-inflicted.

    Unlike most states, Vermont regulates hospital and insurance prices through an independent agency, the Green Mountain Care Board. Until recently, the board typically approved whatever price changes companies wanted, said Julie Wasserman, a health consultant in Vermont.

    The board allowed one health system — the University of Vermont Health Network — to control about two-thirds of the state’s hospital market and allowed its main facility, the University of Vermont Medical Center in Burlington, to raise its prices until it ranked among the nation’s most expensive, she said, citing data the board presented in September.

    Hospital officials contend their prices are no higher than industry averages.

    But for 2025, the board required the University of Vermont Medical Center to cut the prices it bills private insurers by 1%.

    The nonprofit system says it is navigating its own challenges. Top officials say a severe lack of housing makes it hard to recruit workers, while too few mental health providers, nursing homes, and long-term care services often create delays in discharging patients, adding to costs.

    Two-thirds of the system’s patients are covered by Medicare or Medicaid, said CEO Sunny Eappen. Both government programs pay providers lower rates than private insurance, which Eappen said makes it difficult to afford rising prices for drugs, medical devices, and labor.

    Officials at the University of Vermont Medical Center point to several ways they are trying to adapt. They cited, for example, $9 million the hospital system has contributed to the construction of two large apartment buildings to house new workers, at a subsidized price for lower-income employees.

    The hospital also has worked with community partners to open a mental health urgent care center, providing an alternative to the emergency room.

    In the ER, curtains separate areas in the hallway where patients can lie on beds or gurneys for hours waiting for a room. The hospital also uses what was a storage closet as an overflow room to provide care.

    “It’s good to get patients into a hallway, as it’s better than a chair,” said Mariah McNamara, an ER doctor and associate chief medical officer with the hospital.

    For the about 250 days a year when the hospital is full, doctors face pressure to discharge patients without the ideal home or community care setup, she said. “We have to go in the direction of letting you go home without patient services and giving that a try, because otherwise the hospital is going to be full of people, and that includes people that don’t need to be here,” McNamara said.

    Searching for solutions, the Green Mountain Care Board hired a consultant who recommended a number of changes, including converting four rural hospitals into outpatient facilities, in a worst-case scenario, and consolidating specialty services at several others.

    The consultant, Bruce Hamory, said in a call with reporters that his report provides a road map for Vermont, where “the health care system is no match for demographic, workforce, and housing challenges.”

    But he cautioned that any fix would require sacrifice from everyone, including patients, employers, and health providers. “There is no simple single policy solution,” he said.

    One place Hamory recommended converting to an outpatient center only was North Country Hospital in Newport, a village in Vermont’s least populated region, known as the Northeast Kingdom.

    The 25-bed hospital has lost money for years, partly because of an electronic health record system that has made it difficult to bill patients. But the hospital also has struggled to attract providers and make enough money to pay them.

    Officials said they would fight any plans to close the hospital, which recently dropped several specialty services, including pulmonology, neurology, urology, and orthopedics. It doesn’t have the cash to upgrade patient rooms to include bathroom doors wide enough for wheelchairs.

    On a recent morning, CEO Tom Frank walked the halls of his hospital. The facility was quiet, with just 14 admitted patients and only a couple of people in the ER. “This place used to be bustling,” he said of the former pulmonology clinic.

    Frank said the hospital breaks even treating Medicare patients, loses money treating Medicaid patients, and makes money from a dwindling number of privately insured patients.

    The state’s strict regulations have earned it an antihousing, antibusiness reputation, he said. “The cost of health care is a symptom of a larger problem.”

    About 30 miles south of Newport, Andy Kehler often worries about the cost of providing health insurance to the 85 workers at Jasper Hill Farm, the cheesemaking business he co-owns.

    “It’s an issue every year for us, and it looks like there is no end in sight,” he said.

    Jasper Hill pays half the cost of its workers’ health insurance premiums because that’s all it can afford, Kehler said. Employees pay $1,700 a month for a family, with a $5,000 deductible.

    “The coverage we provide is inadequate for what you pay,” he said.

     

    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.

    Subscribe to KFF Health News’ free Morning Briefing.

    This article first appeared on KFF Health News and is republished here under a Creative Commons license.

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