Metabolic Health
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56 articles in Metabolic Health
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56 articles in Metabolic Health
Unraveling the Complex Science Behind Fat Loss and Weight Management
Demystifying the Concept of "Fat Flux" For many people struggling with excess body fat, the most common desire is to "lose weight." But what does this really mean biologically? Fundamentally, losing fat mass requires shrinking the size of fat cells in the body. To understand how fat cell size is regulated, we need to dive…
Rethinking Protein Intake for Optimal Health
Questioning Established Dogmas In the 1970s, the prevailing wisdom warned against saturated fats and cholesterol. Even well-regarded experts can cling to ideologies not supported by evidence. As contrary data has emerged, the need to continually question established nutrition dogmas is well warranted. For example, warnings about the harms of trans fats from partially hydrogenated oils…
Unraveling the Role of Fructose Metabolism in Metabolic Disease
How Fructose Uniquely Stresses Cellular Metabolism Fructose, a simple sugar found in many foods, is uniquely metabolized in the body through a pathway involving the enzyme fructokinase. This pathway causes rapid ATP depletion, generation of uric acid, increased fat production, and reduced fat burning. Essentially, fructose metabolism mimics and signals a state of starvation to…
The Forgotten Pioneer of Cancer Metabolism
Introduction In the early 20th century, German scientist Otto Warburg made a groundbreaking discovery about the fundamental difference in how cancer cells metabolize nutrients compared to healthy cells. However, his pioneering work was largely forgotten for decades as cancer research shifted focus to genetics and molecular biology. Recently, there has been renewed interest among cancer…
Reexamining the Science of Obesity: Insights from Leading Researchers
The Evolving Understanding of Obesity's Causes Views on the causes of obesity have changed over time. In the 1980s, a genetic basis was clearly demonstrated through studies on animals and twins. However, even into the 1990s, pharmaceuticals were viewed skeptically and surgery was seen as a last resort. A paradigm shift occurred after a large…
Unraveling the Complex Web of Metabolic Health
The Elusive Nature of Insulin Resistance Defining insulin resistance precisely has proven difficult, with significant debate around diagnostic criteria. The reality is that there are likely multiple phenotypes of metabolic dysregulation, driven by an intricate web of genetic, lifestyle, and environmental factors. For some, carrying excess weight appears protective, while others develop concerning metabolic abnormalities…
Re-evaluating Lean Mass Hyperresponders: assessing cardiovascular risks and potential benefits
Defining the phenotype of lean mass hyperresponders A subset group of people following very low-carb, ketogenic diets are seeing dramatic increases in LDL cholesterol and LDL particle levels. Termed “lean mass hyperresponders,” these individuals tend to be very athletic with high lean mass and are metabolically flexible. In addition to increased LDL cholesterol, they also…
Rethinking Cancer as a Metabolic Disease
The Minority View of Cancer's Origins The traditional view of cancer is that it arises primarily from genetic mutations. However, Dr. Thomas Seyfried, a professor of biology at Boston College, holds a minority perspective that cancer is fundamentally a disease of defective cellular respiration and mitochondrial dysfunction rather than genetic abnormalities. In his view, while…
Assessing Metabolic Health Beyond Standard Metrics
Defining Metabolic Syndrome In the 1980s, endocrinologist Dr. Gerald Reaven observed that a cluster of clinical signs tended to appear together in patients and strongly predicted their risk for cardiovascular disease, cancer, and neurodegenerative diseases. Dr. Reaven referred to this cluster as "Syndrome X." Over time, this terminology evolved into what we now call metabolic…
Hacking Metabolism: New Insights into Optimizing Cellular Health
The Frontiers of Metabolomics Research Metabolism refers to the complex network of chemical reactions that convert food into energy and synthesize essential molecules in our bodies. The relatively new field of "metabolomics" aims to measure all of the metabolites and metabolic pathways operating in a cell, tissue, or organism. Key topics in metabolomics include: Studying…
Unraveling the Complex Biology of Obesity
The Brain's Critical Role in Regulating Body Weight Obesity has become a global public health crisis, with rates skyrocketing over the past few decades. While the condition is often blamed solely on poor lifestyle choices, the biological underpinnings of obesity are far more complex. Emerging research has highlighted the central role of the brain in…
Rethinking Insulin Resistance: An Overflow Paradigm
The Flaws of the Conventional View The conventional view of insulin resistance focuses narrowly on glucose transport into cells, seeing it as a problem with the "locks and keys" that allow insulin to move glucose from the bloodstream into cells. However, this view struggles to explain paradoxes like continued high rates of fat storage and…