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Although the premise that biological aging can be halted or reversed by foreseeable technology remains controversial, research into developing possible therapeutic interventions is underway. Among the principal drivers of international collaboration in such research is the SENS Research Foundation, a non-profit organization that advocates a number of what it claims are plausible research pathways that might lead to engineered negligible senescence in humans.
In 2015, Liz Parrish, CEO of BioViva, treated herself using gene therapy, with the goal of not just halting, but reversing aging. She has since reported feeling more energetic, but long-term study of the treatment is ongoing.
For several decades, researchers have also pursued various forms of suspended animation as a means by which to indefinitely extend mammalian lifespan. Some scientists have voiced support for the feasibility of the cryopreservation of humans, known as cryonics. Cryonics is predicated on the concept that some people considered clinically dead by today’s medicolegal standards are not actually dead according to information-theoretic death and can, in principle, be resuscitated given sufficient technological advances. The goal of current cryonics procedures is tissue vitrification, a technique first used to reversibly cryopreserve a viable whole organ in 2005.
Similar proposals involving suspended animation include chemical brain preservation. The non-profit Brain Preservation Foundation offers a cash prize valued at over $100,000 for demonstrations of techniques that would allow for high-fidelity, long-term storage of a mammalian brain.
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