I doubt more than a tiny fraction of the 10,000 people who signed this petition could tell you how rapamycin works (the Dog Aging Project is currently studying

I doubt more than a tiny fraction of the 10,000 people who signed this petition could tell you how rapamycin works (the Dog Aging Project is currently studying whether rapamycin extends the lives of dogs). They do understand that this research could help dogs live longer. It's not about understanding the science being done, but about the benefits.