Ask Erin Mantz why she loves personality tests, and she’ll tell you she’s a Pisces, an only child, and an introvert prone to self-reflection. “I’m constantly craving and searching for insights into ...

People with cancer, heart disease and other conditions have come to expect treatments that their medical teams “personalize” just for them, based on tests. But care for mental health conditions hasn’t ...

A new study suggests that it might be possible to personalize care for people with bipolar disorder, using the results of detailed personality tests. It finds that such tests might help identify ...