From the Kardashians to famed biohacker Bryan Johnson, more and more famous faces are now turning to stem cell treatments to fight Father Time. Since many of these procedures have yet to be FDA-approved, celebrities are flying abroad for the pricey treatments, dubbed 'regenerative medicine', which can cost tens of thousands of dollars. Mario Lopez, 52, recently traveled to the Proactive Longevity clinic in Cabo San Lucas for stem cell therapy with board-certified surgeon Dr. John Layke. Lopez, who has been on television since he was a pre-teen, barely seems to have aged since his Saved By The Bell days....