Dopamine Nation – by Dr. Anna Lembke

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We live in an age of abundance, though it often doesn’t feel like it. Some of that is due to artificial scarcity, but a lot of it is due to effectively whiting out our dopamine circuitry through chronic overuse.

Psychiatrist Dr. Anna Lembke explores the neurophysiology of pleasure and pain, and how each can (and does) lead to the other. Is the answer to lead a life of extreme neutrality? Not quite.

Rather, simply by being more mindful of how we seek each (yes, both pleasure and pain), we can leverage our neurophysiology to live a better, healthier life—and break/avoid compulsive habits, while we’re at it.

That said, the book itself is quite compelling reading, but as Dr. Lembke shows us, that certainly doesn’t have to be a bad thing.

Bottom line: if you sometimes find yourself restlessly cycling through the same few apps (or TV channels) looking for dopamine that you’re not going to find there, this is the book for you.

Click here to check out Dopamine Nation, and get a handle on yours!

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  • Surgery won’t fix my chronic back pain, so what will?

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    This week’s ABC Four Corners episode Pain Factory highlighted that our health system is failing Australians with chronic pain. Patients are receiving costly, ineffective and risky care instead of effective, low-risk treatments for chronic pain.

    The challenge is considering how we might reimagine health-care delivery so the effective and safe treatments for chronic pain are available to millions of Australians who suffer from chronic pain.

    One in five Australians aged 45 and over have chronic pain (pain lasting three or more months). This costs an estimated A$139 billion a year, including $12 billion in direct health-care costs.

    The most common complaint among people with chronic pain is low back pain. So what treatments do – and don’t – work?

    Opioids and invasive procedures

    Treatments offered to people with chronic pain include strong pain medicines such as opioids and invasive procedures such as spinal cord stimulators or spinal fusion surgery. Unfortunately, these treatments have little if any benefit and are associated with a risk of significant harm.

    Spinal fusion surgery and spinal cord stimulators are also extremely costly procedures, costing tens of thousands of dollars each to the health system as well as incurring costs to the individual.

    Addressing the contributors to pain

    Recommendations from the latest Australian and World Health Organization clinical guidelines for low back pain focus on alternatives to drug and surgical treatments such as:

    • education
    • advice
    • structured exercise programs
    • physical, psychological or multidisciplinary interventions that address the physical or psychological contributors to ongoing pain.
    Woman sits on exercise ball and uses stretchy band
    Pain education is central. Monkey Business Images/Shutterstock

    Two recent Australian trials support these recommendations and have found that interventions that address each person’s physical and psychological contributors to pain produce large and sustained improvements in pain and function in people with chronic low back pain.

    The interventions have minimal side effects and are cost-effective.

    In the RESOLVE trial, the intervention consists of pain education and graded sensory and movement “retraining” aimed to help people understand that it’s safe to move.

    In the RESTORE trial, the intervention (cognitive functional therapy) involves assisting the person to understand the range of physical and psychological contributing factors related to their condition. It guides patients to relearn how to move and to build confidence in their back, without over-protecting it.

    Why isn’t everyone with chronic pain getting this care?

    While these trials provide new hope for people with chronic low back pain, and effective alternatives to spinal surgery and opioids, a barrier for implementation is the out-of-pocket costs. The interventions take up to 12 sessions, lasting up to 26 weeks. One physiotherapy session can cost $90–$150.

    In contrast, Medicare provides rebates for just five allied health visits (such as physiotherapists or exercise physiologists) for eligible patients per year, to be used for all chronic conditions.

    Private health insurers also limit access to reimbursement for these services by typically only covering a proportion of the cost and providing a cap on annual benefits. So even those with private health insurance would usually have substantial out-of-pocket costs.

    Access to trained clinicians is another barrier. This problem is particularly evident in regional and rural Australia, where access to allied health services, pain specialists and multidisciplinary pain clinics is limited.

    Higher costs and lack of access are associated with the increased use of available and subsidised treatments, such as pain medicines, even if they are ineffective and harmful. The rate of opioid use, for example, is higher in regional Australia and in areas of socioeconomic disadvantage than metropolitan centres and affluent areas.

    So what can we do about it?

    We need to reform Australia’s health system, private and public, to improve access to effective treatments for chronic pain, while removing access to ineffective, costly and high-risk treatments.

    Better training of the clinical workforce, and using technology such as telehealth and artificial intelligence to train clinicians or deliver treatment may also improve access to effective treatments. A recent Australian trial, for example, found telehealth delivered via video conferencing was as effective as in-person physiotherapy consultations for improving pain and function in people with chronic knee pain.

    Advocacy and improving the public’s understanding of effective treatments for chronic pain may also be helpful. Our hope is that coordinated efforts will promote the uptake of effective treatments and improve the care of patients with chronic pain.

    Christine Lin, Professor, University of Sydney; Christopher Maher, Professor, Sydney School of Public Health, University of Sydney; Fiona Blyth, Professor, University of Sydney; James Mcauley, Professor of Psychology, UNSW Sydney, and Mark Hancock, Professor of Physiotherapy, Macquarie University

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

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  • All of your hepatitis B vaccine questions answered

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    Hepatitis B is a viral infection that can cause liver disease in people of any age or background. Vaccination is 95 percent effective against the virus. But in recent years, false claims, rumors, and myths about the hepatitis B vaccine have become increasingly common.

    Here’s everything you need to know about the lifesaving hepatitis B vaccine.

    What is hepatitis B?

    Hepatitis B is a liver infection caused by the hepatitis B virus. The virus attacks the liver, causing severe short-term and long-term infections. 

    Short-term hepatitis B infections may cause “fever, fatigue, loss of appetite, nausea, vomiting, jaundice (yellow skin or eyes, dark urine, clay-colored bowel movements), and pain in the muscles, joints, and stomach,” according to the Centers for Disease Control and Prevention. 

    A long-term hepatitis B infection occurs when the virus stays in the body beyond the initial infection, causing chronic illness. Hepatitis B infections become chronic in 90 percent of infected infants, half of infected young children, and between 5 to 10 percent of infected adults. 

    “Most people who go on to develop chronic hepatitis B do not have symptoms, but it is still very serious and can lead to liver damage (cirrhosis), liver cancer, and death. Chronically infected people can spread hepatitis B virus to others, even if they do not feel or look sick themselves,” says the CDC. 

    How does the hepatitis B virus spread?

    The hepatitis B virus is spread through body fluids, including blood, semen, and saliva. It can also be transmitted from birthing parent to child during pregnancy and childbirth. 

    “While hepatitis B is an infection that lives in bodily fluids, it can survive outside the human body for several days, which means that sharing contaminated household products is a possible source of infection,” said Dr. Christopher Labos, a McGill University cardiologist and epidemiologist, in a 2019 article.

    In 2022, over 250 million people worldwide had chronic hepatitis B, and 1.1 million died from the disease. Most of the deaths were from liver damage and liver cancer. Less than 15 percent of people living with hepatitis B have been diagnosed. 

    How well does the vaccine protect against hepatitis B?

    Hepatitis B vaccination is up to 95 percent effective, providing lasting—and possibly lifelong—protection against the virus. Depending on when the first dose is given, the complete vaccine series consists of two to three doses. 

    The vaccine is most effective for infants and children. The CDC recommends that infants receive it at birth for the most protection. 

    The first dose is followed by two to three additional doses administered before 18 months. Children, adolescents, and adults who weren’t vaccinated as infants should also receive the vaccine. 

    Vaccination is particularly important for high-risk groups, including health workers and those who are in close contact with individuals living with chronic hepatitis B, people who use intravenous drugs, and people receiving blood transfusions, dialysis, or organ transplants. 

    Is the vaccine safe?

    Vaccines against hepatitis B were first developed in the 1980s, and they have been proven safe for decades. They have a low risk of serious side effects and are safe enough to be given to newborns, pregnant people, and immunocompromised people.

    We also know hepatitis B vaccines work: “Between 1990 (about the time when universal hepatitis B vaccinations started) and 2006, the rate of hepatitis B infection fell by 81 percent to the lowest level ever recorded, and the decline was greatest among children,” added Labos. 

    Hepatitis B rates have continued to decline across all age groups, with the U.S. exceeding its goal of reducing new hepatitis B infections by 20 percent.

    Why do doctors recommend the vaccine for babies?

    Hepatitis B vaccination helps protect infants from a lifetime of potentially life-threatening infections and complications. Nine out of 10 unvaccinated infants infected with hepatitis B will develop chronic infections, which increases their risk of liver failure and liver cancer. 

    The hepatitis B vaccine is administered at birth to help prevent the virus from being transmitted from birthing parent to child. It also helps protect infants who might be in close contact with someone with hepatitis B. This is particularly important because most people who have hepatitis are undiagnosed. 

    Have more questions? Talk to your health care provider to learn more about hepatitis B vaccination.

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

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  • Salt Sugar Fat – by Michael Moss

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    You are probably already aware that food giants put unhealthy ingredients in processed food. So what does this book offer of value?

    Sometimes, better understanding leads to better movation. In this case, while a common (reasonable) view has been:

    “The food giants fill their food with salt, sugar, and fat, because it makes that food irresistibly delicious”

    …but that doesn’t exactly put us off the food, does it? It just makes it a guilty pleasure. Ah yes, the irresistible McDouble Dopamineburger. The time-honored tradition of Pizza Night; a happy glow; a special treat.

    What Pulitzer-winning author Michael Moss brings to us is different.

    He examines not just how they hooked us, but why. And the answer is not merely the obvious “profit and greed”, but also “survival, under capitalism”. That without regulation forcing companies to keep salt/sugar/fat levels down, companies that have tried to do so voluntarily have quickly had to u-turn to regain any hope of competitiveness.

    He also looks at how the salt/sugar/fat components are needed to mask the foul taste of the substandard ingredients they use to maintain lower costs… Processed food, without the heavy doses of salt/sugar/fat, is not anywhere close to what you might make at home. Industry will cut costs where it can.

    Bottom line: if you need a push to kick the processed food habit, this is the book that will do it.

    Click here to check out Salt Sugar Fat, and reclaim your health!

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Related Posts

  • The Blue Zones, Second Edition – by Dan Buettner
  • Science of HIIT – by Ingrid Clay

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    We previously reviewed another book in this series, Science of Yoga. This one’s about HIIT: High Intensity Interval Training!

    We’ve written about HIIT before too, but our article doesn’t have the same amount of room as a book, so…

    This one lays out 90 key HIIT exercises that you can do at home without special equipment. By “without special equipment”, we mean: there are a few exercises that use dumbbells, but if you don’t want to get/use dumbbells, you can improvize (e.g. with water bottles as weights) or skip those. All the rest require just your body!

    The illustrations are clear and the explanations excellent. The book also dives into (as the title promises) the science of HIIT, and why it works the way it does to give results that can’t be achieved with other forms of exercise.

    Bottom line: if you’ve been wanting to do HIIT but have not yet found a way of doing it that suits your lifestyle, this book gives many excellent options.

    Click here to check out Science of HIIT, and level-up yours!

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  • Healthy Brain, Happy Life – by Dr. Wendy Suzuki

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    We talked about Dr. Wendy Suzuki’s research in the category of exercise and brain-benefits in our main feature the other day. But she has more to say than we can fit into an article!

    This book chronicles her discoveries, through her work in memory and neuroplasticity, to her discoveries about exercise, and her dive into broader neurology-based mental health. So what does neurology-based mental health look like?

    The answer is: mitigating brain-busters such as stress and anxiety, revitalizing a fatigued brain, boosting creativity, and other such benefits.

    Does she argue that exercise is a cure-all? No, not quite. Sometimes there are other things she’s recommending (such as in her chapter on challenging the neurobiology of the stress response, or her chapter on meditation and the brain).

    The writing style is mostly casual, interspersed with occasional mini-lectures (complete with diagrams and other illustrations), and is very readable and informative throughout.

    Bottom line: if you’d like the more in-depth details of Dr. Suzuki’s work, this book is a very accessible way to get 320 pages of that!

    Click here to check out Healthy Brain, Happy Life, and give yours the best!

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  • Fiber Fueled – by Dr. Will Bulsiewicz

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    We generally know that for gut health we should eat fiber, but what of the balances of different sorts of fiber?

    That’s one of the main things that make this book stand out—fostering diversity in our microbiome by fostering diversity in our diet. Specifically, diversity of fiber-containing foods.

    The book is part “science made easy for the lay reader”, and part recipe book. The recipes come with shopping lists and a meal planner, though we would recommend to use those as a guide rather than to try to adhere perfectly to them.

    In particular, this reviewer would encourage much more generous use of healthful seasonings… and less reliance on there being leftovers several days later (tasty food gets gone quickly in this house!)

    As for the science, the feel of this is more like reading a science-based observational documentary with explanations, than of reading a science textbook. Studies are mentioned in passing, but not dissected in any detail, and the focus is more on getting the key learnings across.

    Bottom line: if you’d like to boost not just the amount, but also the diversity, of fiber in your diet, and reap the gut-health rewards, this book is a great guide for that!

    Click here to get your copy of “Fiber Fueled” from Amazon today!

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