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Ramona Nichols Smith NP

Nurse Practitioner, Energy Healer and Author

NP, MSN, RN    

The right combination of stomach microbes could be crucial for a healthy mind

Gut feelings: the future of psychiatry may be inside your stomach

The right combination of stomach microbes could be crucial for a healthy mind

By Carrie Arnold on August 21, 2013 12:00 pm

Her parents were running out of hope. Their teenage daughter, Mary, had been diagnosed with a severe case of obsessive–compulsive disorder (OCD), as well as ADHD. They had dragged her to clinics around the country in an effort to thwart the scary, intrusive thoughts and the repetitive behaviors that Mary felt compelled to perform. Even a litany of psychotropic medications didn’t make much difference. It seemed like nothing could stop the relentless nature of Mary’s disorder.


Their last hope for Mary was Boston-area psychiatrist James Greenblatt. Arriving at his office in Waltham, MA, her parents had only one request: help us help Mary.


Greenblatt started by posing the usual questions about Mary’s background, her childhood, and the onset of her illness. But then he asked a question that no psychiatrist ever had: How was Mary’s gut? Did she suffer digestive upset? Constipation or diarrhea? Acid reflux? Had Mary’s digestion seemed to change at all before or during her illness? Her parents looked at each other. The answer to many of the doctor’s questions was, indeed, “Yes.”


That’s what prompted Greenblatt to take a surprising approach: besides psychotherapy and medication, Greenblatt also prescribed Mary a twice-daily dose of probiotics, the array of helpful bacteria that lives in our gut. The change in Mary was nothing short of miraculous: within six months, her symptoms had greatly diminished. One year after the probiotic prescription, there was no sign that Mary had ever been ill.



Her parents may have been stunned, but to Greenblatt, Mary’s case was an obvious one. An imbalance in the microbes in Mary’s gut was either contributing to, or causing, her mental symptoms. “The gut is really your second brain,” Greenblatt said. “There are more neurons in the GI tract than anywhere else except the brain.”



Greenblatt’s provocative idea — that psychiatric woes can be solved by targeting the digestive system — is increasingly reinforced by cutting-edge science. For decades, researchers have known of the connection between the brain and the gut. Anxiety often causes nausea and diarrhea, and depression can change appetite. The connection may have been established, but scientists thought communication was one way: it traveled from the brain to the gut, and not the other way around.


But now, a new understanding of the trillions of microbes living in our guts reveals that this communication process is more like a multi-lane superhighway than a one-way street. By showing that changing bacteria in the gut can change behavior, this new research might one day transform the way we understand — and treat — a variety of mental health disorders.


For decades, researchers have known of the connection between the brain and the gut


For Greenblatt, this radical treatment protocol has actually been decades in the making. Even during his psychiatric residency at George Washington University, he was perplexed by the way mental disorders were treated. It was as if, he said, the brain was totally separate from the body. More than 20 years of work treating eating disorders emphasized Greenblatt’s hunch: that the connection between body and mind was more important than conventional psychiatry assumed. “Each year, I get more and more impressed at how important the GI tract is for healthy mood and the controlling of behavior,” Greenblatt said. Among eating disorder patients, Greenblatt found that more than half of psychiatric complaints were associated with problems in the gut — and in some patients, he says he has remedied both using solely high-dose probiotics, along with normalizing eating.


Greenblatt’s solution might strike us as simple, but he’s actually targeting a vast, complex, and mysterious realm of the human body: around 90 percent of our cells are actually bacterial, and bacterial genes outnumber human genes by a factor of 99 to 1. But those bacteria, most of which perform helpful functions, weren’t always with us: a baby is essentially sterile until it enters the birth canal, at which point the bacteria start to arrive — and they don’t stop. From a mother’s vaginal microbes to hugs and kisses from relatives, the exposures of newborns and toddlers in their earliest years is critical to the development of a robust microbiome.

Greenblatt's actually targeting a vast, complex, and mysterious realm of the human body


In fact, recent research suggests that early microbiome development might play a key role in at least some aspects of one’s adult mental health. One 2011 study out of McMaster University compared the behaviors of normal eight-week-old mice and mice whose guts were stripped of microbes. Bacteria-free mice exhibited higher levels of risk-taking, and neurochemical analysis revealed higher levels of the stress hormone cortisol and altered levels of the brain chemical BDNF, which has been implicated in human anxiety and depression. “This work showed us that anxiety was normal, and that the gut-brain axis was involved in that,” Jane Foster, the study’s lead author, said. “Everybody knew that stress and anxiety could lead to gastrointestinal symptoms, but we looked at it from the bottom up and showed that the gut could communicate with the brain. It was the first demonstration that the gut itself could influence brain development.”


Subsequent research out of McMaster further enforces those findings, by showing that swapping one mouse’s gut bacteria with that of another can significantly alter behavior. Researchers transplanted microbes from one group of mice, which were characterized by timidity, into the guts of mice who tended to take more risks. What they observed was a complete personality shift: timid mice became outgoing, while outgoing mice became timid. “It’s good evidence that the microbiota houses these behaviors,” Foster said.


While researchers have established a compelling link between gut bacteria and mental health, they’re still trying to figure out the extent to which the human microbiome — once it’s populated in early childhood — can be transformed. “The brain seems to be hardwired for anxiety by puberty and early adolescence,” Foster said. If the microbiome is part of that hardwiring, then it would suggest that once we pass a certain threshold, the impact of bacterial tweaks on problems like depression and anxiety might wane.


In one Japanese study, for instance, researchers were only able to change the baseline stress characteristics of germ-free mice until nine weeks of age. After that, no variety of bacterial additions to the mice’s guts could properly regulate stress and anxiety levels. The explanation for this phenomenon might lie in what’s known as “developmental programming” — the idea that various environmental factors, to which we’re exposed early on, greatly determine the structure and function of organs including the gut and the brain.


“There are changes that happen early in life that we can’t reverse,” said John Cryan, a neuroscientist at the University of Cork in Ireland and a main investigator at the Alimentary Pharmabiotic Centre. “But there are some changes that we can reverse. It tells us that there is a window when microbes are having their main effects and, until this closes, many changes can be reversed.”

Even if our gut bacteria carries the biggest influence when we’re young, experts like Greenblatt and Cryan are still convinced that tweaking these bacteria later in life can yield profound behavioral and psychological changes. In a study led by Cryan, anxious mice dosed with the probiotic bacterium Lactobacillus rhamnosus (JB-1) showed lower levels of anxiety, decreased stress hormones, and even an increase in brain receptors for a neurotransmitter that’s vital in curbing worry, anxiety, and fear.


John Bienenstock, a co-author on that study, compared the probiotics’ effects to benzodiazepines like Valium and Xanax. “The similarity is intriguing. It doesn’t prove they both use the same pathway [in the brain], but it’s a possibility.”


Although plenty of questions remain, the benefits of using probiotics to treat human behavior are becoming increasingly obvious. Yogurts like Dannon’s Activia have been marketed with much success as a panacea for all of our intestinal ills. Other probiotic supplements have claimed to support immune health. Probiotics’ potential to treat human behavior is increasingly apparent, but will manufacturers one day toss an anxiety-fighting blend into their probiotic brews?


Experts are convinced that tweaking these bacteria later in life can yield profound behavioral and psychological changes


It’s a distinct possibility: in one 2013 proof-of-concept study, researchers at UCLA showed that healthy women who consumed a drink with four added probiotic strains twice daily for four weeks showed significantly altered brain functioning on an fMRI brain scan. The women’s brains were scanned while they looked at photos of angry or sad faces, and then asked to match those with other faces showing similar emotions.


Those who had consumed the probiotic drink showed significantly lower brain activity in the neural networks that help drive responses to sensory and emotional behavior. The research is “groundbreaking,” Cryan said, because it’s the first trial to show that probiotics could affect the functioning of the human brain. Still, he notes that the results need to be interpreted with care.


As the research community increasingly lends credence to Greenblatt’s ideas, and public awareness about gut bacteria grows, he’s confident we’ll soon know more about the power of probiotics. “Because of the commercials and the other information that’s out there, patients are beginning to ask,” he said. “They’re much more aware of how important probiotics are.”


Whether all of our mental woes respond to probiotic treatment as dramatically as Greenblatt’s patient Mary remains to be seen. “We have to be very cautious in this field not to be too hyperbolic about what we promise,” Cryan said. Indeed, scientists still aren’t sure exactly which microbial species are part of a healthy microbiome, nor do they know whether certain bacterial strains are absolutely vital to mental functioning, or whether the right balance is what’s key. Furthermore, research still hasn’t parsed which illnesses might be affected by the microbiome and, therefore, treatable using probiotics. “There are beginning to be suggestions that this type of probiotic treatment is worth pursuing,” Bienenstock said. “Whether we can use this to improve people’s lives, well, the door is just beginning to open on this.”


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Depression

This is a post by Dr. Hyman with alternatives to antidepressant therapy. If you are on an antidepressant, please do not stop until you speak with your doctor or NP. You can apply the healthy ideas below while on your medications.

Posted By Mark Hyman, MD On May 19, 2010 @ 10:15 am In Articles,UltraWellness Library

7 Steps to Treat Depression without Drugs

  1. Try an anti-inflammatory elimination diet that gets rid of common food allergens. As I mentioned above, food allergies and the resultant inflammation have been connected with depression and other mood disorders.
  2. Check for hypothyroidism. This unrecognized epidemic is a leading cause of depression. Make sure to have thorough thyroid exam if you are depressed.
  3. Take vitamin D. Deficiency in this essential vitamin can lead to depression. Supplement with at least 2,000 to 5,000 IU of vitamin D3 a day.
  4. Take omega-3 fats. Your brain is made of up this fat, and deficiency can lead to a host of problems. Supplement with 1,000 to 2,000 mg of purified fish oil a day.
  5. Take adequate B12 (1,000 micrograms, or mcg, a day), B6 (25 mg) and folic acid (800 mcg). These vitamins are critical for metabolizing homocysteine, which can play a factor in depression.
  6. Get checked for mercury. Heavy metal toxicity has been correlated with depression and other mood and neurological problems.
  7. Exercise vigorously five times a week for 30 minutes. This increases levels of BDNF, a natural antidepressant in your brain.

Overcoming depression is an important step toward lifelong vibrant health. These are just of few of the easiest and most effective things you can do to treat depression.

HERE’S SOME DEPRESSING RECENT medical news: Antidepressants don’t work. What’s even more depressing is that the pharmaceutical industry and Food and Drug Administration (FDA) have deliberately deceived us into believing that they DO work. As a physician, this is frightening to me. Depression is among the most common problems seen in primary-care medicine and soon will be the second leading cause of disability in this country.


The study I’m talking about was published in The New England Journal of Medicine. It found that drug companies selectively publish studies on antidepressants. They have published nearly all the studies that show benefit — but almost none of the studies that show these drugs are ineffective. (1)


That warps our view of antidepressants, leading us to think that they do work. And it has fueled the tremendous growth in the use of psychiatric medications, which are now the second leading class of drugs sold, after cholesterol-lowering drugs.

The problem is even worse than it sounds, because the positive studies hardly showed benefit in the first place. For example, 40 percent of people taking a placebo (sugar pill) got better, while only 60 percent taking the actual drug had improvement in their symptoms. Looking at it another way, 80 percent of people get better with just a placebo.


That leaves us with a big problem — millions of depressed people with no effective treatments being offered by most conventional practitioners. However, there are treatments available. Functional medicine provides a unique and effective way to treat depression and other psychological problems. Today I will review seven steps you can take to work through your depression without drugs. But before we get to that, let’s take a closer look at depression.


What’s in a Name?


“Depression” is simply a label we give to people who have a depressed mood most of the time, have lost interest or pleasure in most activities, are fatigued, can’t sleep, have no interest in sex, feel hopeless and helpless, can’t think clearly, or can’t make decisions.


But that label tells us NOTHING about the cause of those symptoms. In fact, there are dozens of causes of depression — each one needing a different approach to treatment. Depression is not one-size-fits-all, but it is very common.


Women have a 10 to 25 percent risk and men a five to 12 percent risk of developing severe major depression in their lifetime. (2) One in ten Americans takes an antidepressant. The use of these drugs has tripled in the last decade, according to a report by the federal government. In 2006, spending on antidepressants soared by 130 percent.


But just because antidepressants are popular doesn’t mean they’re helpful. Unfortunately, as we now see from this report in The New England Journal of Medicine, they don’t work and have significant side effects. Most patients taking antidepressants either don’t respond or have only partial response. In fact, success is considered just a 50 percent improvement in half of depressive symptoms. And this minimal result is achieved in less than half the patients taking antidepressants.


Food allergies cause inflammation, and studies now show inflammation in the brains of depressed people.


That’s a pretty dismal record. It’s only made worse by the fact that 86 percent of people taking antidepressants have one or more side effects, including sexual dysfunction, fatigue, insomnia, loss of mental abilities, nausea, and weight gain.


No wonder half the people who try antidepressants quit after four months.

How We have Been Deceived by the Antidepressant Hoax


Drug companies are not forced to publish all the results of their studies. They only publish those they want to. The team of researchers that reported their findings in The New England Journal of Medicine took a critical look at all the studies done on antidepressants, both published and unpublished. They dug up some serious dirt …


The unpublished studies were not easy to find. The researchers had to search the FDA databases, call researchers, and hunt down hidden data under the Freedom of Information Act. What they found was stunning.


After looking at 74 studies involving 12 drugs and over 12,000 people, they discovered that 37 of 38 trials with positive results were published, while only 14 of 36 negative studies were published. Those that showed negative results were, in the words of the researchers, “published in a way that conveyed a positive outcome.”


That means the results were twisted to imply the drugs worked when they didn’t.


This isn’t just a problem with antidepressants. It’s a problem with scientific research. Some drug companies even pay or threaten scientists to not publish negative results on their drugs. So much for “evidence-based” medicine! I recently had dinner with a step-uncle who runs a company that designs research for drug companies. He designs the study, hires the researcher from an esteemed institution, directs the study, writes up the study and the scientist just signs his or her name after reviewing it.


Most of the time, we only have the evidence that the drug companies want us to have. Both doctors and patients are deceived into putting billions of dollars into drug companies’ pockets, while leaving millions with the same health problems but less money.


The scientific trust is broken. What can we do? Unfortunately, there is no easy answer. But I do think functional medicine, on which my approach of UltraWellness is based, provides a more intelligent way of understanding the research. Rather than using drugs to suppress symptoms, Functional Medicine helps us find the true causes of problems, including depression.


I see this in so many of the patients I have treated over the years. Just as the same things that make us sick also make us fat, the same things that make us sick also make us depressed. Fix the causes of sickness — and the depression takes care of itself.


Taking antidepressants is not the answer to our looming mental health epidemic. The real cure lies in rebalancing the underlying systems in your body, at the root of all healthy and illness.


Consider a few cases from my practice …


A 23-year-old had been anxious and depressed most of her life and spent her childhood and adolescence on various cocktails of antidepressants. Turns out, she suffered from food allergies [2] that made her depressed.


Food allergies cause inflammation [3], and studies now show inflammation in the brains of depressed people. In fact, researchers are studying powerful anti-inflammatory drugs used in autoimmune disease such as Enbrel for the treatment of depression.


After she eliminated her IgG or delayed food allergies, her depression went away, she got off her medication — and she lost 30 pounds as a side effect!


Here’s another story … A 37-year-old executive woman struggled for more than a decade with treatment-resistant depression (meaning that drugs didn’t work), fatigue, and a 40-pound weight gain. We found she had very high levels of mercury. Getting the mercury out of her body left her happy, thin, and full of energy.


Or consider the 49-year-old man with severe lifelong depression who had been on a cocktail of antidepressants and psychiatric medication for years but still lived under a dark cloud every day, without relief. We found he had severe deficiencies of vitamin B12, B6, and folate. After we gave him back those essential brain nutrients, he called me to thank me. Last year was the first year he could remember feeling happy and free of depression.


These are just a few of the dozens of things that can cause depression.


The roots of depression are found in the 7 keys to UltraWelless and the 7 fundamental underlying imbalances that trigger the body to malfunction. Taking antidepressants is not the answer to our looming mental health epidemic. The real cure lies in rebalancing the underlying systems in your body that are at the root of all healthy and illness.


References


(1) Turner EH et al. 2007. Selective publication of antidepressant trials and its influence on apparent efficacy. New England Journal of Medicine. 358: 252-260.


(2) Eaton WW, Kalaydjian A, Scharfstein DO, Mezuk B, Ding Y. 2007. Prevalence and incidence of depressive disorder: the Baltimore ECA follow-up, 1981-2004. Acta Psychiatr Scand. 116(3):182-188.

Article printed from DrHyman.com: http://drhyman.com

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