As executive director of XPrize Healthspan, a philanthropic and corporate sponsored competition, Justice oversees one of the most buzz-worthy science competitions today. The contest, launched in 2023, attracted nearly 200 applicants from groups around the world who think they can help people to live not just longer lives, but healthier ones. When the 15-member judging panel met in early summer to pick the top 10 teams who would continue on in the seven-year competition, Justice excused herself.
Read more: TIME's 2026 Longevity Leaders Both in the scientific community and the commercial market, there is no shortage of ideas—from legitimate, rigorously developed approaches to more fantastical schemes—for a fountain of youth. XPrize Healthspan exists to bring some order to that chaos, and legitimacy to the process of developing and, most importantly, testing ideas in longevity. Applicants for the prize, which has a total purse of $101 million, allocated in segments throughout the seven-year competition, included teams from academic research institutes as well as biotech and startup groups.
All had to follow a few basic rules; they had to show early promise in human studies that their approach could improve health in three critical areas: muscle function, brain function, and immune function. All teams were judged based on standard measurements of these three functions that XPrize committees of experts had specified, to ensure that all projects were evaluated using the same metrics. The judges announced the top 10 projects on Aug. 11.
What we need to do is have a strainer, a filter where everybody is held to the same standard. There may be something really worthwhile and useful out of some of these things that seem harebrained. What XPrize does well is invite everyone in, teach them how to do the science to get to a level of super credibility.
It’s an alliance that comes together to set the frameworks for the start line, a finish line, and how to get there.” The projects are as varied as you might expect approaches to longevity to be—ranging from the latest anti-aging trends in Asia involving extracellular vesicles, to stem cells and more traditional, well-established programs that include exercise and supplements. Two of the teams are from Japan, one from South Korea, one from China and six from the U.S. Two of the groups are studying repurposed drugs for their potential in extending life, while the Korean team is investigating a novel longevity drug.
Four projects involve supplements and five rely on biologic compounds including extracellular vesicles, peptides, and antibodies. Both teams from Japan are working with the vesicles, which carry a wide menu of molecules in the body, from enzymes to peptides, fats and genetic material. But the teams are taking very different approaches to optimizing what these vesicles can do to improve health.
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