Key points from article :
Certain sets of proteins are associated with common conditions of aging.
Blood samples taken from over five thousand of elderly Icelanders.
Measured 4,137 known and predicted serum proteins within the samples.
Found 27 distinct networks, or modules, of proteins across the cohort.
Many of the networks were associated with specific complex diseases.
Also revealed patterns of expression associated with overall mortality.
The study was published in Science journal.
