Mary Cesare-Murphy, who heads the behavioral health program at the Joint Commission, a nonprofit that accredits hospitals, says health workers are becoming more aware of the role they can play in preventing suicide.

FORBES: Medicine's Suicide Problem, Part 2

Dawn Hochsprung and Mary Sherlach, Vicki Soto, Lauren Rousseau, Rachel Davino and Anne Marie Murphy -- they responded as we all hope we might respond in such terrifying circumstances -- with courage and with love, giving their lives to protect the children in their care.

WHITEHOUSE: President Obama Speaks at Newtown High School