Why do some people's bodies react differently to sugar?
Muscle Sympathetic Nerve Activity in Response to Glucose Ingestion: Impact of Plasma Insulin and Body Fat
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
When people drink sugary drinks, their nerves sometimes get more active — but this doesn't happen the same way in people who are overweight.
Systematic Reviews & Meta-Analyses
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Evidence Score
A snapshot of a population at a single point in time. Can identify correlations and prevalence, but cannot determine the direction of cause and effect.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
When people drink sugary drinks, their nerves sometimes get more active — but this doesn't happen the same way in people who are overweight.
Systematic Reviews & Meta-Analyses
Max 100Randomized Controlled Trials
Max 90Cohort Studies
Max 72Case-Control Studies
Max 58Cross-Sectional Studies
Max 44Case Reports & Case Series
Max 30Expert Opinion & Narrative Reviews
Max 535 / 44
Evidence Score
A snapshot of a population at a single point in time. Can identify correlations and prevalence, but cannot determine the direction of cause and effect.
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Claims (6)
When people with normal insulin sensitivity consume glucose, their sympathetic nervous system becomes more active; in people with insulin resistance, the same glucose intake does not produce this increase.
When people with higher body fat consume glucose, their insulin levels rise, but the resulting increase in nerve activity that controls blood vessel constriction and heart rate is smaller than in people with lower body fat.
In people with obesity, consuming glucose leads to a larger increase in insulin than expected, while the nervous system's response in the muscles is weaker than normal. This mismatch may be linked to how the body responds to insulin.
In adult men, higher levels of baseline sympathetic nervous system activity during fasting are linked to higher body fat percentage, especially among Caucasian men.
In adult men, those with higher body fat tend to have a smaller increase in sympathetic nerve activity during a glucose challenge, even though their insulin levels rise more than those with lower body fat.