Bipolar disorder used to be called manic depression, and not without reason. The illness causes both depression and mania. Odds are you know what depression looks like - feeling sad or numb, crying easily, having trouble sleeping, thinking about death or suicide, etc. But mania? It means more than being "high" or having an "elevated mood."
Keep clicking to see eight telltale symptoms. CBS New put this together with the help of Dr. Thomas Wise, professor of psychiatry at Johns Hopkins Medical School.