- ‘People are living longer, but sicker,’ says USC longevity researcher Valter Longo - ‘Money itself becomes a symbolic form of immortality,’ says psychologist Sheldon Solomon ISTANBUL If the 21st century has a modern fairy tale, it is the promise of escaping aging and decline. Once confined to fiction, that dream is now being pursued in laboratories, startups and private clinics, fueled by Silicon Valley wealth and technological optimism. By 2026, longevity has evolved from the obsession of