April 7, 2009 5:38 pm Depressed? Blame Your Family's Brain Matter People who have a family history of depression may have less matter on the right side of their brain, disrupting their ability to interpret social and emotional cues. US & World Videos 1:12 5 things to know about Tom Thibodeau 21:18 Jim Gaffigan gives hilarious dad advice to Kelly Clarkson audience 9:45 Orlando Bloom says he's shocked he's still alive after filming his new adventure show 9:22 Mississippi nonprofit tackles poverty head-on through radical approach 1:49 Jay Leno and wife Mavis step out on a date night following her dementia diagnosis