Inside Dave Feldman’s KetoCa study and the questions surrounding its data, analysis, and quality control

Paradigm Shifts, Entrenched Thinking, and the Future of Medicine

A new paper proposes a single ratio, read off a fingerprick, that tells you where your metabolism is headed. It started in a cancer clinic. Its authors think it belongs in every MetFix affiliate.

Mark Sisson separates longevity fads from the habits that consistently improve health and performance

How Broken Science Built the Chronic Disease Epidemic—and Why Education Is the Way Out

A primer on how modern diets disrupted human metabolic flexibility

Ketosis may support the cellular cleanup systems that decline with age

A new mechanism helps explain how exercise supports long-term brain health

Why removing additives helps—but real food still matters more