The following submission statement was provided by /u/Ok-Prior-8856:

The article points out:

> [...] before we can celebrate Rejuvenate Bio's discoveries as a scientific breakthrough, outside researchers will need to go through the startup's claims with a fine-toothed comb.

Because even if this did rejuvenate mice testing will be needed for both safety and efficacy in humans.

Skepticism aside, here's hoping this is a step forward for life extension!

Please reply to OP's comment here: https://old.reddit.com/r/Futurology/comments/118kk88/scientists_say_they_gene_hacked_mice_to_double/j9hly39/