The Claim

Rapamycin administration initiated at 600 days of age increases maximum lifespan, defined as age at 90th percentile mortality, by approximately 14% in female mice and 9% in male mice compared to control mice not receiving rapamycin.

Source: Rapamycin fed late in life extends lifespan in genetically heterogeneous mice

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
18score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Cause and effect
1 study reviewed
In plain English

Giving old mice the drug rapamycin when they're about 600 days old helps them live longer - female mice lived about 14% longer and male mice about 9% longer than mice that didn't get the drug.

See the scientific wording

Maximum lifespan, measured as age at 90th percentile mortality, is increased by approximately 14% in female mice and 9% in male mice fed rapamycin starting at 600 days of age compared to control mice.

What the research says

1 study
  1. Study: Rapamycin fed late in life extends lifespan in genetically heterogeneous mice

    The study tested exactly what the claim says - feeding rapamycin to mice starting at 600 days old - and found the same results: a 14% lifespan increase in female mice and 9% in male mice when measured at age at 90% death.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.