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Doctor Rankings · 18 min
Doctor Ranks Popular Biohacks: Best to Worst
A physician ranks popular biohacking practices by evidence quality—where does cold exposure land on the spectrum?
Key Insights
Cold exposure ranks high: strong evidence, low risk, accessible
Compares favorably to expensive interventions with weak evidence
Free/low-cost with established physiological mechanisms
Best practices: gradual progression, consistency, medical clearance when indicated
"The body adapts to what you consistently demand of it—controlled stress builds resilience when applied deliberately."
— Doctor Rankings
cold exposure
recovery
hormesis