Intelligent Medicine

Eccentric Exercise: Better Results with Less Effort. Leyla Muedin, a registered dietitian nutritionist, discusses eccentric exercise and research suggesting it may deliver better results than strenuous workouts that cause muscle damage and delayed onset muscle soreness (DOMS). She explains contraction types—isometric, concentric, and eccentric—highlighting that eccentric contractions involve muscle lengthening during the lowering phase (e.g., lowering a dumbbell, walking downstairs) and can provide greater mechanical loading with lower perceived effort, less fatigue, and broad accessibility across ages and health conditions, though requiring more focus and control. She cites studies including stair-descending in elderly obese women improving cardiovascular function, insulin sensitivity, cholesterol, and strength, and a five-minute home routine (chair squats, wall pushups, chair reclines, heel drops) improving strength, flexibility, mental health, and encouraging continued exercise. She notes athletic benefits

Highlights from Dr. Hoffman's Scandinavian tripShould I eliminate the nightshade family of foods from my diet?My friend has been experiencing acid reflux since using a reverse osmosis water filtration system

Where can I access peptide therapy for my wife in California?What are other methods of lowering LDL doing exactly that niacin is not?Should we all be using unbleached toilet paper?Would I benefit from taking minoxidil and finasteride for hair growth?What can I do about my festoons?

Dr. Jacob Teitelbaum, an Integrative Medicine physician, researcher, and best-selling author specializing in chronic fatigue syndrome, details “adrenal fatigue,” contrasting Endocrine Society guidelines focused on overt adrenal failure with his view that the adrenals can be functionally exhausted and may be missed by standard testing and “normal ranges.” They discuss adrenal roles in stress response, blood sugar regulation, blood pressure, immunity, and symptoms suggesting low adrenal function (irritability when hungry, sugar cravings, fatigue, recurrent infections, lightheadedness/brain fog, mood shifts). Contributors include high sugar intake, chronic stress, dehydration, and salt restriction, with modern media fear/divisiveness cited as a major stressor; hypothalamic dysfunction and circadian rhythm disruption may cause “tired but wired” insomnia. They cover options such as licorice (not DGL), dietary and lifestyle changes, Adrenaplex, adaptogens (ashwagandha standards, HRG80 red ginseng study), phosphatid

Dr. Hoffman continues his conversation with Dr. Jacob Teitelbaum, an Integrative Medicine physician, researcher, and best-selling author specializing in chronic fatigue syndrome.

Hyperbaric Oxygen Therapy (HBOT): Beyond the Bends—Wounds, Stroke Recovery, Radiation Injury, and Performance. Nicole Garrett, founder and COO of Under Pressure Hyperbarics, details hyperbaric oxygen therapy (HBOT). She explains how HBOT treats divers’ decompression sickness by recompressing nitrogen bubbles and reducing inflammation, and how therapeutic benefits depend on reaching adequate pressure (commonly around 2.0 atmospheres or more; diver treatment may begin at 2.8). Garrett describes HBOT’s history, FDA-approved uses such as diabetic wound healing, radiation injury, and sudden sensorineural hearing loss (often combined with steroids), and off-label use for stroke/TBI recovery, cognitive issues, autoimmune flares, Crohn’s disease, athletic recovery, anti-aging research (including telomere findings), and adjunctive cancer care. She contrasts “soft” chambers with higher-pressure medical chambers, discusses treatment courses (often 10–60 sessions), safety and contraindications (ears, pneumothorax, retina

Dr. Hoffman continues his conversation with Nicole Garrett, founder and COO of Under Pressure Hyperbarics.

Now do we have to start worrying about Hantavirus? Digestive enzymes for pancreatic insufficiency; Space exploration yields new treatments for resistant bacterial infections; Alternatives to prednisone for autoimmune hearing loss; Casey Means bows out of Surgeon General nomination—next up, Nicole Saphier; Multivitamins found to slow biological aging.

Hydrogen water—breakthrough or scam? Osteoporosis fixes; Nattokinase for cardiovascular prevention; Why vitamin D helps a subset of diabetics; When oral vitamin D doesn’t work, sublingual D may normalize blood levels; Vitamin D found beneficial for colitis; Why fructose stokes food cravings; Flawed fluoridation study claims no IQ harms to kids.

Nutritionist Leyla Muedin discusses a listener question about whether agave nectar can contribute to obesity like high-fructose corn syrup, arguing that regular use of sweeteners—including agave, honey, monk fruit, stevia, aspartame, sucralose, allulose, and sugar alcohols—can maintain sweet cravings, spike insulin, and contribute to weight-loss plateaus, with added concerns such as microbiome effects, GI upset, and aspartame’s neurotoxicity. She notes insulin’s role in fat storage and blood pressure via sodium retention, and suggests that needing a sweetener in coffee or tea may indicate dependence on sweetness. She then covers a newly developed, validated Food Noise Questionnaire (FNQ) published in Obesity to measure intrusive food-related rumination, highlighting its five Likert-scale items, study sample characteristics, and the need for further research, including effects of GLP-1 drugs.

More on “eat the rainbow” . . . or notMedical breakthroughs that we don't really needCan you discuss the order of eating macronutrients and its impact on blood glucose?What about the impact of apple cider vinegar on blood sugar?

If I start taking urolithin A, will it make my insomnia worse?I'm a 54-year-old postmenopausal woman with no libido—can supplements help?Can you talk more about the vegan twin study, saying plant-based diet improved fertility?What do you think of IV NAD vitamin drips?

Sugarless: Dr. Nicole Avena on Hidden Sugars, Brain Addiction, and Practical Steps to Cut Back: Neuroscientist and author Dr. Nicole Avena reveals sugar’s pervasiveness and health impacts, drawing on her book “Sugarless: The Seven-Step Plan to Uncover Hidden Sugars, Curb Your Cravings, and Conquer Your Addiction.” Avena explains how modern industrialized, highly processed foods—many containing added sugars—have transformed innate preferences for sweetness into harmful overconsumption linked to obesity, diabetes, cardiovascular disease, non-alcoholic fatty liver disease, and possible dementia via insulin signaling changes. She discusses research showing sugar can stimulate dopamine reward pathways similarly to drugs and that prenatal exposure may alter offspring metabolism, preferences, and sensitivity to drugs/alcohol. For solutions, she discourages strict “cold turkey” approaches due to hidden sugars and relapse psychology, emphasizes inventorying sources and triggers, starting with eliminating sugar-sweeten

Dr. Hoffman continues his conversation with neuroscientist and author Dr. Nicole Avena.

Functional Diagnostic Nutrition: Using Saliva Testing, Food Sensitivity Labs, and Lifestyle to Find Root Causes: Reed Davis, Board Certified Holistic Health Practitioner (HHP) and Certified Nutritional Therapist (CNT), is founder of Functional Diagnostic Nutrition (FDN). He discusses using functional testing alongside conventional care to uncover “dysfunction” when standard labs appear normal. Davis describes assessing adrenal and metabolic stress via saliva testing for circadian cortisol patterns, cortisol-DHEA balance, sex hormones, secretory IgA, and melatonin, emphasizing clinical correlation and individualized “studies of one.” He outlines an approach targeting multiple “healing opportunities” (H-I-D-D-E-N: hormones, immune, digestion, detoxification, energy, nervous system) and applying D-R-E-S-S (diet, rest, exercise, stress reduction, supplementation) rather than relying on supplements alone. A case example links chronic hives, medication-related weight gain, and food triggers identified through addit

Dr. Hoffman continues his conversation with Reed Davis, Board Certified Holistic Health Practitioner (HHP), Certified Nutritional Therapist (CNT), and founder of Functional Diagnostic Nutrition (FDN). 

Press ballyhooed heart, stroke risks associated with Omega-3 supplementation, but new study dispels fears over fish oil-atrial fibrillation link; Research highlights cancer, diabetes risks from food preservatives; Do the new dietary guidelines go too far, or are they a cop-out? GLP-1 weight loss drug use could save airlines millions on fuel costs; Does a “complex tear” of the hip labrum inevitably require surgery?

Can we crack the code on aging, or are humans just “term-limited”? What are some of the most promising anti-aging interventions currently under investigation? We may be curing more cancers, and discovering them earlier, but certain cancers are increasing in incidence, especially among the young; Why extreme old age may be protective against cancer; Big meta-analysis confirms cardio benefits of low-carb diet; Patients with depression who’ve tried everything obtain surprising relief from vagus nerve stimulation; Blood sugar spikes after meals—even absent diabetes—can drive Alzheimer’s risk; New study pushes back on Tylenol-autism link, but highlights poor diet, chemical exposure , pre-natal anti-depressant use as potential culprits.

Registered dietitian nutritionist Leyla Muedin discusses a Nature Communications study of 108,723 French adults in the NutriNet-Santé cohort (2009–2023) examining long-term exposure to food preservatives and type 2 diabetes. Using detailed dietary records cross-referenced with product/additive databases, researchers identified 58 preservative-related additives and analyzed 17 consumed by at least 10% of participants; 1,131 diabetes cases occurred. Higher overall preservative intake was associated with a 47% increased diabetes risk (49% for non-antioxidant preservatives; 40% for antioxidant additives), with several specific additives linked to higher risk. Leyla questions whether the findings reflect preservatives themselves or the ultra-processed, refined-carbohydrate foods that contain them, emphasizing recommendations to favor fresh, minimally processed foods and limit refined carbs and processed foods.

A case study where a second opinion is necessaryWhat are your thoughts on the recent news implicating niacin in cardiovascular disease?