A new rule broadens the definition of post-traumatic stress disorder, allowing non-combat veterans to receive disability benefits for being traumatized by events they did not actually experience.

The World Health Organization is benefiting from a turn in the tide of aid fatigue, but has anything really changed at the WHO?

Ambassador John Negroponte should impress on Iraq's Iyad Allawi the importance of advancing national elections, not on reincorporating the old Sunni military elite into a new army.

Despite this election's high stakes, however, the question of which candidate will bear the GOP's standard remains shadowed in great uncertainty, owing mostly to the lack of an obvious frontrunner. Given these unusual circumstances heading into 2012, what kind of nominee should we expect? And what kind of nominee should Republicans want?

Over the last hundred years, psychiatry has taken very different perspectives on war stress.

By failing to confront the Guantanamo debacle, the White House risks undermining essential congressional and popular support for the war's pivotal conflict: the counterinsurgency in Iraq.

Left ventricular assist devices, or "heart pumps," are proving to be the best available option for patients with advanced heart failure, and the technology has huge potential for improvement.

Our military commitments demand substantial increases in defense spending.