Bryan Johnson, the tech entrepreneur spending $2 million a year to reverse his biological age, recently shocked the longevity community by announcing a Bryan Johnson Rapamycin reset. For a man who built his entire life around the Blueprint protocol, stopping a foundational longevity drug highlights the volatile nature of extreme biohacking. This decision followed a…

The transition of rapamycin (sirolimus) from a soil-dwelling byproduct of Easter Island to the center of the longevity drug ethical debate represents a paradigm shift in preventive medicine. While this macrolide remains the only pharmacological intervention proven to extend lifespan across nearly all model organisms, its increasing off-label adoption by healthy "biohackers" has ignited a…