Statins keep hearts of people with obesity healthy

Adults over 40 with obesity appear to have their blood pressure and cholesterol under control at levels matching those of peers with a normal weight. That is the key finding of the study, published in The Lancet. Researchers tracked adults of varying ages and body weights over 25 years, monitoring two major cardiovascular risk factors: blood pressure and LDL cholesterol, the so-called ‘bad’ cholesterol.

The study period coincided with the widespread adoption of statins and blood pressure medications, but preceded the introduction of newer weight-loss drugs such as GLP-1 agonists. The researchers suggest that this medication use has played a decisive role. People with obesity use these drugs at higher rates, which appears to have narrowed the traditional cardiovascular risk gap between weight categories.

What changes in risk assessment?

This has implications for how we evaluate the health risks of obesity. If the direct cardiovascular markers, blood pressure and cholesterol, are now comparable between people with obesity and their leaner peers, the question becomes: what risks remain? Other consequences of obesity, including joint degradation, certain cancers and metabolic syndrome, fall outside the reach of statins and blood pressure pills.

A shifting risk profile

From a longevity perspective, the study is notable because it shows how medication use can shift the ageing risk profile of a large population. It does not mean obesity no longer carries risks; it means certain risks are now better compensated than they were decades ago. The researchers emphasise this is an observational study: it identifies a correlation, not a causal relationship. Whether better numbers translate into longer, healthier lives requires further investigation.

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