Peter Attia, MD, is one of the most trusted voices in longevity medicine, known for his data-driven, personalized approach. While he gets it right most of the time, Attia has reversed course on several key issues. Was he wrong about metformin? And is he right about rapamycin, GLP-1s, and peptide therapies? Let’s dig in.

These five tests can detect risks years before disease develops. Together, they give a window into your metabolic health, inflammation, and cardiovascular risk—areas that account for over 80% of chronic illness and early death.