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Many Systems Go Wrong As Metabolic Health Declines
Modern research reveals an increasingly complex picture leading to metabolic dysfunction. We're familiar with insulin resistance as the inability of muscles to properly take up glucose from the bloodstream. However, muscle insulin resistance is only one of several disruptions that occur as glucose regulation deteriorates. PANCREAS If insulin resistance were the only issue, the pancreas would simply produce more insulin to control blood glucose. Unfortunately, the pancreas itself can become affected in two critical ways:
LIVER The liver represents a third major factor in this metabolic cascade. Normally, the liver stores glucose as glycogen, releasing it only when blood glucose drops or during stress responses. In metabolic dysfunction, the liver inappropriately releases glucose into the bloodstream when it's not needed. While high insulin should signal the liver to retain glucose, as the body becomes insulin resistant, so does the liver. The real tragedy unfolds as additional organs join this metabolic disruption: FAT CELLS Fat cells, which normally respond to insulin by storing fat after meals, become insulin resistant and inappropriately release free fatty acids. These fatty acids travel to the liver, pancreas, muscles, and kidneys, causing inflammation and damage, and further dysfunction. BRAIN The brain becomes affected by the spreading inflammation. Normally, insulin should help suppress appetite after adequate food intake. However, food cravings may arise despite high insulin levels: they represent an abnormal response. This includes disrupted responses to gut hormones like incretins, which normally interact with GLP-1 receptors. These receptors have recently gained fame through GLP-1 agonist medications that help people lose significant weight partly by improving the brain's satiety response. KIDNEYS Finally, the kidneys show abnormal glucose handling. Instead of efficiently removing excess glucose from the body, kidneys affected by insulin resistance and metabolic dysfunction reabsorb more glucose than they should. This dysfunction stems from toxicity, inflammation, and poor vascular health. SOLUTIONSAddressing this complex metabolic disruption requires a multifaceted approach. Toxicity can play a role in all 8 of these systems. This highlights the importance of strategies such as:
1 Comment
1/6/2026 04:28:31 am
Thank you for this clear and comprehensive overview of improving glucose metrics, highlighting how metabolic health declines through coordinated dysfunction across multiple organ systems rather than insulin resistance alone. The integrated discussion of pancreas, liver, adipose tissue, brain, and kidney involvement underscores the importance of addressing metabolic health as a whole-system challenge.
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Blog AuthorDr. Myrto Ashe MD, MPH is a functional medicine family physician. Archives
December 2025
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