The erythrocyte sedimentation rate (ESR) is a simple, longstanding test that measures how quickly red blood cells settle to the bottom of a test tube over one hour — inflammation causes certain proteins to rise in the blood, which makes red cells clump together and settle faster, so a higher ESR generally reflects more inflammation somewhere in the body. It's a general, nonspecific marker, elevated with a wide range of infections, autoimmune and inflammatory conditions, and even some cancers, so it's typically used alongside symptoms and other tests (like CRP) rather than as a standalone diagnostic tool, and is often used to help monitor disease activity in known inflammatory conditions over time.
Today, more and more people are turning to tools like ChatGPT and asking a simple question:“What blood tests should I do to check my health?” The problem is – most answers are based on standard medical protocols. These protocols are designed to detect disease, not to identify early imbalances. As a result, many important markers…
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