Are You Depressed? Start With the PHQ-9 Questionnaire

Close to 20% of people will have at least one episode of depression in their lifetime, but less than half of them will receive treatment for it. One reason for this: many people wonder if they are depressed, but aren’t sure. Read more:

Toward an early Alzheimer’s test

In a new study, Coleman and his colleagues demonstrate the promise of an early blood test for Alzheimer's disease. The results suggest that Alzheimer's can be detected even before the onset of symptoms in persons at genetic risk for Alzheimer's disease. Read more: