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Genetic Linkage

What’s your ‘ageotype’? Classification system explains why some of us are older—or younger—than we look

We hardly need another way to classify people, and especially not another metric of the biological fallout from the passage of time. The mirror does a pretty good job of doing that, highlighting spreading wrinkles and graying or disappearing hair.

 

Medical tests track various ups and downs as the years go by. Triglycerides, cholesterol, and blood pressure rise, while vision, hearing, taste and smell, joint flexibility, muscle mass and bone density fall. Deep within our cells, chromosome tips whittle down as DNA errors accrue.

 

The "ageotypes" described in a new study from researchers at Stanford University may help health care providers add a dose of precision medicine to the one-size-fits-all approach that still pervades many a clinical encounter. The findings of the new study appear in Nature Medicine.

 

To continue reading, go to Genetic Literacy Project, where this post first appeared.

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