For a man who was elected president partly on his ability to give a great speech, Barack Obama has been at times a surprisingly poor communicator in office and on the campaign trail.
That may have been most evident earlier this month during the first presidential debate. But Obama generally hasn't been as impressive at getting his message across in his four years in the White House as he was during the campaign that put him there.
Originally published on Mon October 15, 2012 12:10 pm
Even extreme stress doesn't have to get you down.
That's the message from brain scientists studying the relationship between stress and problems such as depression, anxiety and post traumatic stress disorder, or PTSD.
Researchers at the Society for Neuroscience meeting in New Orleans presented studies showing how stress caused by everything from battlefield trauma to bullying can alter brain circuitry in ways that have long-term effects on mental health.