These are the genes behind healthy aging

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Senior woman exercising with weights by beach

Source: Time

By 

In one of the largest studies involving people who stay healthy into old age, researchers found some interesting clues behind how they get that way — and it has little to do with genes for longevity

Most studies about disease focus on people who are sick, since people with a disease are very likely to show whatever genetic or other biological changes are responsible for their condition.

But researchers are starting to find the flip side to that strategy attractive — studying people, rare though they might be, who have whatever changes are responsible for disease but somehow don’t get sick. Could they provide clues about how they’re able to overcome their biological condition and remain healthy despite being dealt a bad biological hand?

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