Army: One in five U.S. soldiers feeling serious stress. Steve Handelsman reports.

Study finds link between obesity and memory loss. Jinah Kim reports.

Classic legos are making a comeback in classrooms.

Daredevils overcome disabilities and fear to perform on water. Brad Drazen reports.

Researchers find multi-taskers have shortcomings with focus and organization. Tracie Potts reports.

Stressed out? A G-rated "cuddle party" may help. Marianne Favro reports.

Millions of Americans suffer from SAD in the summer. Britney Glaser reports.

Electronic brain game fights memory loss. Darcy Spencer reports.

Researchers find effective methods of enhancing and preserving brain power. Tracie Potts reports.

California offers unique mental health care for vets returning from war. Damian Trujillo reports.

Psychologists worried about the toll of texting. Amara Sohn reports.

Lifestyle changes may keep you mentally sharp as you age. Chris Clackum reports.

The stress of war after the battlefield. One soldier's story. Damian Trujillo reports.

Psychologists worry texting is taking a toll on teen psyches. Amara Sohn reports.

Can a better chair make you smarter? Nelson Garcia reports.

Scientists look at infamous serial killer's brain in search for explanation. Carol Marin reports.

Mental health pros cry foul over Psycho Donuts. Kimberly Tere reports.

Can diet improve abilities of autistic children? Donna Lowry reports.

Scientists battle brain tumors with scorpion venom. Ed Yeates reports.

Feeling rejected? Find inspiration at San Jose's Rejection Museum. Bob Redell reports.

Returning soldiers treated for traumatic brain injury and post traumatic stress disorder. Artie Ojeda reports.

Super-moms turn to pain meds to cope with stress. Marianne Favro reports.

Study finds link between depression and heart failure. Ed Yeates reports.

Psychic business booms as more want info on financial future.

Could a pill make you smarter? Some people say yes! Doreen Gentzler reports.