Research

Hormonal

Obesity alone does not cause insulin resistance or elevated cardiovascular disease risk; rather, insulin resistance is the primary driver of metabolic abnormalities and CVD risk, regardless of body weight.

Do not assume that being overweight automatically means you have dangerous metabolic issues or that your weight is the direct cause of your health problems. Instead, focus on improving insulin sensitivity through lifestyle changes. If you are overweight, you are more likely to be insulin resistant, but if you are not insulin resistant, your CVD risk may be lower than expected for your weight. Weight loss is effective for everyone regardless of insulin resistance, but it significantly improves metabolic markers (like triglycerides and inflammation) specifically in those who are insulin resistant.

GoodRefutesHIGH confidence
obesity is only one of several factors that modulate insulin action and by no means does insulin resistance equal obesity... it is those overweight/obese individuals who are also insulin resistant that are at greatest CVD risk.
G M Reaven · Recent Progress in Hormone Research · 2004

Why this rating

Based on multiple controlled studies (SSPG measurements) comparing obese/insulin-resistant vs. obese/insulin-sensitive groups.

Source

Obesity, Insulin Resistance, and Cardiovascular Disease

G M Reaven · Recent Progress in Hormone Research · 2004

DOI 10.1210/rp.59.1.207

narrative_reviewCited 347×
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DOI resolved against Crossref · corpus check 2026-06-10

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