If genuinely interested and not being tongue in cheek, there are a number of drugs and pathways that can be targeted to (in theory) extend lifespan in mammals. So as others have said- it may be that future therapies include a concoction of drugs and interventions to effectively increase lifespan in humans. If you’re curious about the subject Dr. David Sinclair does a lot content around this. He’s a researcher in the longevity field. He’s a little out there in terms of his personal beliefs but he does provide a lot of inform and context around all the current hot topics in longevity research.