Rapamycin is one of the most intriguing—and controversial—compounds in modern longevity science. Originally developed as an immunosuppressant, it has moved from transplant medicine into the center of debates surrounding aging, healthspan, and cellular biology.

This volume in The Promise and Perils series explores how rapamycin works in the body, why it has gained scientific attention, and where meaningful uncertainty remains. Rather than promoting it as a solution—or dismissing it as a danger—this audiobook focuses on evidence, context, and interpretation.

Listeners will explore:

• The origins and discovery of rapamycin
• The mTOR pathway and its role in aging and metabolism
• What animal and early human research suggests—and its limits
• Potential risks, trade-offs, and long-term unknowns
• Ethical and personal questions surrounding longevity drugs

This audiobook does not promote rapamycin as a treatment or prescription. It provides balanced analysis and scientific context for listeners interested in the evolving conversation around longevity science.

Written for health-conscious listeners and those curious about emerging research, Rapamycin stands alone while also serving as Volume Two of The Promise and Perils series.

Narration performed by Solly Vo