Paul Saladino· MD
what we figured out was that it wasn't just that metabolism was changing or as we used to think was slowing down and generating fewer free radicals it was a real breakthrough and revelation to realize that even in yeast cells and now we know in our bodies when you're hungry your body turns on what we call longevity genes the genes that I have worked on my whole career since we first linked them to aging in the 1990s I called the sirtuins