Red cell distribution width (RDW) measures the variation in red blood cell size and is a key indicator of inflammation and hematological function.
Elevated RDW is associated not only with different types of anemia but also with a wide range of health issues, including cardiovascular diseases, diabetes, liver and kidney failure, and even COVID-19.
Higher RDW levels indicate greater inflammation and oxidative stress, leading to poorer outcomes in conditions like ischemic stroke and heart failure. RDW is also linked to cognitive decline, with higher levels associated with impaired memory and increased dementia risk.
As a significant biomarker of aging, elevated RDW correlates with increased morbidity and mortality, making it a crucial measure in assessing overall health and longevity.
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