A simple cheek swab could one day provide a quick and noninvasive diagnostic test for schizophrenia. A new study published in Science Advances has identified higher levels of two biological markers in ...

Smoking may bring on changes in cells that are linked with many cancers, including breast and gynecological cancers, a new study finds. These changes could provide an early warning sign of cancer, ...

E-cigarette users with a limited smoking history experience similar DNA changes to specific cheek cells as smokers, finds a new study led by researchers at UCL (University College London) and ...

A new test called CheekAge, based on a quick swab of cells in the mouth, might someday be used to predict how long a person has to live, developers report. The test tracks what are known as ...