AP - Sen. Edward Kennedy's battle with a malignant brain tumor is likely to put a dramatic personal stamp on a health care cause he first championed nearly 40 years ago: The nation's war on cancer.

AP - The percentage of American children who are overweight or obese appears to have leveled off after a 25-year increase, according to new figures that offer a glimmer of hope in an otherwise dismal battle.

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.