Depression is rising among American teenagers, and teen girls are particularly likely to have had recent depressive episodes.
About two-thirds of U.S. veterans say the war in Iraq was not worth fighting, while 58% say the same of the war in Afghanistan.
Alone time for older Americans amounts to about seven hours a day. Time spent alone rises to over 10 hours a day among those living on their own.
Classes have ended for the summer at U.S. public schools, but a sizable share of teachers are still hard at work at second jobs outside the classroom.
Most black and Asian adults say race or race relations come up in their conversations with family and friends at least sometimes.