Many commercial biological age tests collect genetic information through saliva samples or oral swabs. For accurate measurements, however, blood samples are typically necessary according to a new ...

New research has shown that diet could influence the risk of both depression and Alzheimer's disease (AD). Evidence suggests that depressive symptoms are both a risk factor for AD and a reaction to ...

A new study has found that taking longer to reach the rapid eye movement (REM) stage of sleep is linked to a greater risk of ...