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a16z Podcast | How to Live Longer and Better

a16zKristen Fortney, Jeff Kaditz, David Sinclair, Michael Snyder, Hanne Tidnam, Hannah, Mike Snyder
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  • Scientists anticipate extending human healthspan and lifespan by 5 to 15 years within current lifetimes through the convergence of computational modeling, addressing aging causes, harnessing natural defenses, and disease prediction.
  • Emerging technologies aim to detect diseases such as cancer, heart disease, and Alzheimer's up to 10 years in advance or before symptoms appear, utilizing new biomarkers to enable personal treatment before illness occurs.
  • The field expects to achieve a "true aging reset" via reversing epigenetic changes, potentially allowing for complete biological rejuvenation every five years, alongside the removal of senescent cells and the use of molecules currently in human trials.
  • Within the next decade, genome or exome sequencing is projected to become a standard part of healthcare, with costs decreasing to make comprehensive biochemistry tracking and prevention more economical than treatment.
  • Longitudinal models utilizing complex variables and multi-scale biological snapshots will drive precision medicine, allowing for the prediction of individual health trajectories and the aggregation of personal data for use as an insurance policy.
  • BioAge plans to partner with European biobanks containing 10- to 20-year-old samples with full electronic health records to integrate modern technologies and query historical data for future health course prediction.
  • Economic projections suggest that a 10% reduction in major diseases like cancer could save the U.S. $3 to $4 trillion, while compressing morbidity will increase societal productivity and Return on Investment through more years of healthy working life.
  • Current research indicates that results for agents like baby aspirin and metformin regarding all-cause mortality will likely become robust within a few years, mirroring successful longevity interventions observed in mice.
  • Speakers envision a future where 80- and 90-year-olds remain vibrant and independent rather than reliant on nursing homes, contingent on maintaining rapid biological advances and achieving similar outcomes to those seen in long-lived animal models.
  • While individuals should ideally own and share their health data, execution faces challenges regarding provider claims of ownership, even as the technology to aggregate and track personal data becomes accessible through cheaper clinical assays.
  • The outlook includes the expectation that 40% of Americans will get cancer, with this statistic projected to rise, yet early detection technologies aim to manage this risk and extend healthspan despite the increasing prevalence.
  • Future monitoring of individuals is expected to become standard practice, similar to vehicle maintenance, ensuring that historical health data is understood and actionable by the time a health incident occurs.