Nutrition
Probiotics vs live microbes: what fermented foods really do
Sauerkraut is not a probiotic. A food microbiologist explains strains, clinical evidence, gut health tests and how to choose fermented foods wisely.
Normal blood sugar but insulin resistant? How to find out
Blood sugar is the last marker to rise in metabolic dysfunction. Learn which tests, targets and habits reveal and reverse insulin resistance early.
Can diet improve mental health? A doctor's message of hope
A family physician explains why a keto carnivore diet changed how they treat anxiety and depression, and why diet offers hope without an appointment.
10 tips to stay strong, active and healthy after age 50
Ten practical habits to avoid the 12.5 years of poor health many Americans face late in life: labs, food, strength, balance, sleep and community.
Fasting and Akkermansia: how fasting affects gut lining
Fasting feeds Akkermansia, a gut bacterium that eats mucus. Joel Green explains the Goldilocks zone, a foraging style diet and why daily dosing misleads.
A rational guide to supplements for sleep and focus
Behavior and nutrition come first. Then test single ingredients one week at a time for sleep, hormones and focus, and prioritize omega 3 with over 1 g of EPA.
Keto diet and liver fat: why protein did the heavy lifting
A controlled trial found a keto style diet cut liver fat by 67 percent. Learn why high protein and low carbs, not ketones, likely explain it and how to eat.
Your skin is a check engine light: 5 pillars of skin health
Skin changes can signal problems inside your body. Learn the five pillars of skin health: sleep, diet, movement, stress and topicals, with tips that work.
Breast cancer prevention: change your biological terrain
Breast cancer is not just bad luck. Learn how inflammation, insulin, estrogen, the microbiome and toxins shape your risk, and what you can change today.
Food Sense: Gardner's evidence-based rules for eating well
Stanford nutrition scientist Christopher Gardner explains the Big Four and Solid Six food rules, why diet studies clash and how to eat well.
GLP-1 drugs, diet and memory: what the research shows
Neuroscientist Scott Kanoski explains how GLP-1 drugs curb hunger and how sugar, junk food and gut signals shape memory in the hippocampus.
Sugar and heart disease: insulin resistance vs cholesterol
A researcher argues insulin resistance, not LDL, is the main driver of arterial plaque. See the hazard ratios, CAC scan tips and insulin targets.
Why keto treats stall your progress, according to Dr. Berry
Dr. Ken Berry says keto treats help you transition but stall long-term results. He explains what counts as keto and answers audience questions.
Mark Hyman's 10-day detox diet: how it works step by step
Dr. Mark Hyman explains his 10-day detox diet: what to remove, what to eat, what you will feel and how to reintroduce foods safely.
Vitamin A and eye health: how it protects your retina
Vitamin A rebuilds the light-sensing pigment in your retina. See what a 20-year study found and how vitamin D and cod liver oil fit in.