Wide release: January 4, 2026. Not medical advice.
TOPICS DISCUSSED:
Cellular growth vs. burning: Cells alternate between growing (using glucose for building blocks in low-oxygen environments) and burning (generating ATP in mitochondria with oxygen); dysregulation leads to metabolic issues.
Key regulatory enzymes: PI3 kinase imports glucose, AMP kinase builds mitochondria, and mTOR drives cell division; their synchronization determines healthy modes, while desynchronization causes diseases.
Fructose as a dose-dependent mitochondrial toxin: High fructose intake inhibits AMP kinase, reducing mitochondrial function and diverting energy to fat storage; it is dose-dependent, like alcohol, and unnecessary in the diet.
Obesogens & endocrine disruptors: Chemicals like tributyltin (TBT) alter gene expression across generations, promoting obesity unrelated to calories; modern exposures increase reactive oxygen species (ROS), burdening cells.
Fetal & neonatal development: Maternal diet, especially high sugar or formula feeding, can cause neonatal obesity and fatty liver; breastfeeding supports proper jaw development and oxygen intake.
Brain metabolism & Alzheimer’s: The brain’s high energy needs make it vulnerable to mitochondrial issues and ROS; energy deficits from diet, stress, and toxins lead to synapse loss and inflammation, treatable via prevention.
ROS & health: Mitochondria produce ROS as a byproduct of ATP generation; excess from diet or environment causes damage, but antioxidants and lifestyle can mitigate risks.
ABOUT THE GUEST: Robert Lustig, MD is a pediatric endocrinologist and Professor Emeritus at the University of California, San Francisco, with a background in neuroendocrinology and obesity research.
RELATED EPISODE:
M&M 145: Epigenetics, Hormones, Endocrine Disruptors, Microplastics, Xenoestrogens, Obesogens & Obesity, Inheritance of Acquired Characteristics | Bruce Blumberg
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