Bipolar disorder scrawls a molecular John Hancock across the brains of some people. The signature is sometimes visible even before symptoms start, researchers in the Netherlands report.
A team led by Hemmo Drexhage, a clinical immunologist at Erasmus Medical Center in Rotterdam, found that certain white blood cells, called monocytes, pump up activity of various genes in people who have bipolar disorder.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.