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#319 ‒ Peter's key takeaways on liver health, heart rate variability, AI in medicine, klotho, and lactate metabolism | Quarterly Podcast Summary #2

The Peter Attia Drive

NOTE

Prioritize Non-Invasive Diagnosis Over Biopsies

A liver biopsy, while less complex than other organ biopsies, carries risks such as bleeding and infection, making it an undesirable option for diagnosis. Therefore, the focus should shift to non-invasive methods for liver diagnosis, specifically blood-based biomarkers and imaging techniques. Transaminases, namely ALT and AST, are commonly misunderstood as liver function tests but cannot accurately diagnose specific liver conditions. Elevated levels of these enzymes indicate liver stress due to factors like fat accumulation or fibrosis. However, the presence of AST in muscle can complicate interpretations, as exercise can also raise AST levels in plasma.

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