How Old Are You, Really?

“Age is just a number,” as the saying goes – but which number, exactly? Of course, you can count to this year from the one you were born in, but that’s far from the most relevant one. You’ve likely had one or more double-takes upon learning a new friend was five years older than you…

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2021: The Year of Epigenetics and Biological Aging

This April marked an important milestone for me and my team with the publication of our groundbreaking clinical trial on reversing biological age through diet and lifestyle. And since then, quite a number of research articles have been published on this very same topic. 

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Best Tests and Treatments for Celiac Disease and Non-Celiac Gluten Sensitivity

Are your patients complaining of bloating, abdominal pain, brain fog, or fatigue? Perhaps you run a stool test and find that after treating the abnormal results, the patient’s symptoms continue. Or perhaps you have treated your patient many times for dysbiosis only to have it return again and again. At this point, it’s wise to consider that your patient may be reacting to a common dietary component such as wheat.

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Four Critical Reasons to Use Food Sensitivity Testing

Often food sensitivity testing is ordered simply due to patient demand for this service. However, the fact of the matter is that food sensitivity testing has a great deal of usefulness in clinical practice. Functional medicine practitioners have used it effectively to unearth the root cause of health problems, pinpoint the reasons behind what exacerbates a given health concern, and even determine which dietary supplements can do more harm than good.

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SIBO – How to Avoid the Recovery Trap and Unlock Healing

Digestive complaints are common and can significantly impact quality of life. Not only that but they can also often be dismissed by conventional medical thinking or swept into the bucket of irritable bowel syndrome without much relief offered. In functional medicine, restoring gut health and balance is right at the core of what we do.…

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Harnessing the Microbiota-Gut-Brain Axis to Improve the Stress Response

New understandings of the intricate connections between gut and brain are revolutionizing medicine’s approach to mood, brain function and digestion, giving our “gut-wrenching experiences” or our “gut-feelings” a lot more meaning than they already have. The emerging evidence in this area is providing new tools to influence both gut and brain health.

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BPA Exposure During a Pandemic

According to a study released just last year in the Journal of the American Medical Association (JAMA Network Open), having high levels of bisphenol A (BPA) in the body is associated with a 49% increased risk of death within 10 years.

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Short-Chain Fatty Acids: Strengthen the Gut-Brain Health Connection with Butyrate

All SCFAs have wide-ranging therapeutic benefits, but in this article we’ll focus on butyrate as a therapeutic agent for gut and brain health. Butyrate is the food for the colonocytes, the thin layer of cells that comprises the lining of the large intestine. Within the intestinal environment, it protects and supports the mucosa, gut motility, and the commensal bacteria of the colon. Although butyrate is largely present in the gut, it can also have effects on the brain via the gut-brain axis, as well as by lowering inflammation, stabilizing DNA structure, and sequestering harmful metabolic by-products like ammonia.

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Trauma, Biological Embedding, and the Prevention of PTSD

Living in Sandy Hook, practicing medicine in Sandy Hook, my life – and the lives of all of us here – continue to be influenced by the 12/14/12 mass shooting. The day it happened, despite not losing a child in the tragedy, I was gutted, locked in grief. I also remember thinking that it couldn’t…

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Acne, the Skin Microbiome and Salicylic Acid Treatment

There has been a lot of published research lately around the role of our skin’s microbiome on overall immune health as well as the impact bacterial dysbiosis has on different diseases. The bacteria Cutibacterium acnes (C. acnes) — one of the most abundant strains of bacteria in most people’s facial microbiome — has long been associated with acne lesions. But, how does acne occur and how does our microbiome impact it?

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The Journey to “Evidence-Based” for Functional Labs

In the Functional Medicine space, we all desire to be described under the banner of “Evidence-Based.” What does that mean, and how do we get there? In this article I will attempt to address the laboratory component of this question from the perspective of a company in the middle of this ongoing journey. The value of self-critique and continual self-examination: There is a pattern I have witnessed in the Functional Medicine Lab industry that needs to be challenged from within. We develop tests, leverage them as much as we can, and then wait for competitors or critics to raise objections or questions. If those objections never come, we may be tempted to push forward without continuing to pursue both analytical and clinical validation. Continuous self-critique is critical!

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Beyond Breath Testing: Using the GI-MAP to Uncover the Other Players in SIBO

SIBO is on the top of everyone’s mind these days. In this sponsored blog by Dr. Amy Rolfsen, ND at Diagnostic Solutions Laboratory, we review why SIBO breath testing by itself just isn’t enough. To design an effective treatment protocol the first time, we need the whole picture of gut health, including digestion, immunity, commensals, pathogens, opportunists, and more. There are many useful scientific tidbits in this well-referenced blog, and I hope you read, comment, and share! Enjoy!

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Navigating an Elimination Diet: Creative Solutions to Common Challenges

Callout to clinicians:  Yes, we still prescribe the tried-and-true elimination diet for many people, although we’re aware that increased hypersensitivity can occur in a small subset of individuals. Read on to see how we’re identifying and customizing an elimination plan for these vulnerable individuals. – DrKF Have you ever noticed that you feel bloated after…

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Iodine Deficiency, Breast Health, and Hormone Balance

Iodine was discovered in 1811 by French chemist Bernard Courtois while processing ingredients for gunpowder. In extracting sodium salts from seaweed by treating it with sulfuric acid, he observed a purple vapor rising from the seaweed. This substance was eventually named iodine, from the Greek word for the color violet, ioeides. Iodine is an essential trace element necessary for the production of all hormones in the body and proper function in the immune system.[2] It plays a vital role in several aspects of health, including:

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Why We Need to Evolve the Evidence Base for Personalized Nutrition and Functional Medicine

I deeply appreciate this important topic brought to us by Dr. Michelle Barrow as she answers questions put to her by our Nutrition Programs Director, Romilly Hodges. This exchange was prompted by Dr. Barrow’s recent peer-reviewed publication – Transforming Personalized Nutrition Practice – a worthwhile read which came across Romilly’s desk earlier this year. After all, personalized nutrition is a core component of the Functional Medicine toolkit. As a profession (of both functional medicine and personalized nutrition practitioners), we need take steps to bridge the gap between currently-accepted evidence models and what is actually needed to support our practice. We need to ask the hard questions; and take the steps to build a better model. It’s something I have proposed before, and I am absolutely delighted to continue to champion. – DrKF

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I am eternally grateful to our sponsors who, by advertising with us, enable me and my team to devote energy and time to writing and publication. All the companies who sponsor us are companies that I trust for myself and my patients and use regularly in my clinical practice. Please check out their websites! – Dr. KF