Walker seems to have made some claims without empirical backing. Sinclair on the other hand refers to miracle research in mice and says that they might or might not translate into humans. However, he does explain, at length, how it may work to extend longevity in humans just like it does in mice.
He also gave the aforementioned drug cocktail to his elderly dad and said it seems to have rejuvenated him. His dad is hiking all around Australia, just like he did as a young man. I paid little attention to that particular claim since it is an n=1 anecdote.
He also gave the aforementioned drug cocktail to his elderly dad and said it seems to have rejuvenated him. His dad is hiking all around Australia, just like he did as a young man. I paid little attention to that particular claim since it is an n=1 anecdote.