4 ms·
A randomized controlled trial would be great, but that experiment literally isn't going to happen in our lifetimes. So we have to make the best of other eviden
by smilliken 6y ago
A randomized controlled trial would be great, but that experiment literally isn't going to happen in our lifetimes.
So we have to make the best of other evidence, like animal studies (rats have increased lifespan on restricted calories), observational studies, and biomarkers.