The insulin resistance paradox scientists are unravelling
New research suggests that a rare, inherited form of insulin resistance may not carry the same health risks as the type typically associated with type 2 diabetes. Scientists found that individuals with this genetic trait actually showed markers of better metabolic health.
Why it matters
This discovery challenges long-held medical assumptions about insulin resistance and could lead to more nuanced approaches to metabolic health.
For years, insulin resistance has carried a simple warning: trouble may be ahead. It happens when the body becomes less responsive to insulin, forcing it to produce more to keep blood sugar under control. The condition is commonly linked with type 2 diabetes and poorer health. But new research suggests the story may be more complicated.
A genetic study involving data from 458,784 people of European ancestry has found that one mild, lifelong form of insulin resistance may not carry the dangers usually associated with the condition. Surprisingly, people with this inherited change showed signs of better health.
Researchers from the University of Exeter identified 524 people carrying rare changes in a gene that affects how the body responds to insulin. Their bodies needed to produce more insulin to manage blood sugar, suggesting a mild reduction in insulin response.
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