Inside scientist's anti-aging quest

Scientists are sketching a road map of how our bodies change as we grow old in the hopes that it will lead to treatments that could help us live longer, healthier lives.

  • They call this road map the “hallmarks of aging”—a set of biological features and mechanisms linked to our inexorable march toward death.
  • Over the past decade, the hallmarks have helped guide the development of drugs that clear away cells that have stopped dividing and gene therapies that appear to restore cells to a more youthful state.

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