Scripps' Eric Topol is leading an effort to collect blood samples from 1,000 people, aged 80 and older, who never had any serious illnesses and do not take any medication, says MIT's Tech Review. The team then plans to sequence 100 genes known to influence health and aging and then compare these samples to those from people who died of age-related diseases before turning 80. "These people have genetic susceptibility markers for many serious diseases," says Topol.

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