Medical research

Researchers detect age-related differences in DNA from blood

Researchers have discovered age- and health-related differences in fragments of DNA found floating in the bloodstream (not inside cells) called cell-free DNA (cfDNA). These differences could someday be used to determine biological ...

Oncology & Cancer

Major breakthrough in quest for cancer vaccine

The idea of a cancer vaccine is something researchers have been working on for over 50 years, but until recently they were never able to prove exactly how such a vaccine would work.

Genetics

A look at how colds and chronic disease affect DNA expression

We're all born with a DNA sequence that encodes (in the form of genes) the very traits that make us, us—eye color, height, and even personality. We think of those genes as unchanging, but in reality, the way they are expressed, ...

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