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Fasting Before Blood Tests: New Study Questions Necessity
A South Korean study of 9.7 million blood tests suggests prolonged fasting before most analyses is unnecessary, with minimal impact on results for common tests like blood counts and cholesterol.
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What happened
- 01South Korean study of 9.7 million blood tests questions necessity of prolonged fasting.
- 02Fasting duration had minimal impact on most common blood test results.
- 03Glucose and triglyceride levels varied significantly with shorter fasting periods.
- 04Israeli doctor confirms findings align with practice, notes fasting difficulty for some.
- 05Current fasting guidelines should be followed until updated.
- 06Shorter fasting could significantly ease patient preparation if proven accurate.
While some indicators like glucose and triglycerides varied with fasting duration, the study did not assess diagnostic impact. Israeli doctors acknowledge the findings, noting fasting's difficulty for some patients, and suggest current guidelines should be re-evaluated but followed for now.
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