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Research in context

What is new, and what it means

Each article answers one question by reading a new study or announcement against what came before. Sources linked at every claim, limits stated plainly.

· 5 min

What does a change in your aging score really mean?

“Validated” can mean four different checks. Learn which ones matter when your aging score changes, and which step researchers are still testing.

Looking for the basics? The Learn library explains how aging clocks work and what a result can tell you. Visual overviews of the topics are on the infographic.