AP - It's a new frontier for psychiatric illness: Brain pacemakers that promise to act as antidepressants by changing how patients' nerve circuitry fires.

AP - Myint Hlaing's family bathes and draws cooking water from an irrigation ditch fouled by human waste and a rotting cow carcass. His 10-year-old daughter suffers from diarrhea, despite drinking bottled water donated by aid groups.

AP - Thousands of private counselors are offering free services to troops returning from Iraq and Afghanistan with mental health problems, jumping in to help because the military is short on therapists.

AP - The abused and orphaned children in Pastor Julius Bonani's church are the face of an AIDS epidemic that is killing nearly 1,000 South Africans a day and infecting even more.