Cholesterol
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High-density lipoprotein cholesterol — the cholesterol returned from peripheral tissues to the liver. Higher is usually better, but extremely high HDL is no longer protective.
Optimal range
Range varies by individual.
Why this biomarker matters
HDL transports cholesterol from peripheral tissues back to the liver for clearance. Causal evidence for raising HDL to lower cardiovascular risk has weakened — modern targets emphasize ApoB instead.
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