High-sensitivity C-reactive protein (hs-CRP)
Immune system healthHigh-sensitivity C-reactive protein (hs-CRP) is a blood marker used to detect low levels of inflammation in the body.
It is a more precise version of standard CRP testing and is especially useful for assessing cardiovascular risk, as even mild inflammation can contribute to heart disease.
Why this matters
Chronic low-grade inflammation damages blood vessels silently over years. Elevated hs-CRP itself causes no symptoms but signals increased risk for heart attack, stroke, and diabetes. In some cases, this inflammation may subtly show as persistent fatigue or low energy. Very high levels typically point to acute infection or inflammatory disease.
Lifestyle factors such as obesity, smoking, poor diet, and lack of exercise often drive chronic elevation, meaning targeted lifestyle changes can effectively reduce risk.
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