The quest for the world's first malaria vaccine appears to have taken a big step: A study in Africa shows experimental shots cut the risk of disease in young children by half.
Drunken driving incidents have fallen 30 percent in the last five years, and last year were at their lowest mark in nearly two decades, according to a new federal report.
Drunken driving incidents have fallen 30 percent in the last five years, and last year were at their lowest mark in nearly two decades, according to a new federal report.

Federal health officials said Wednesday more illnesses and possibly more deaths may be linked to an outbreak of listeria in cantaloupe in coming weeks.
Jessica Ewald brought more than a new baby boy home when she gave birth earlier this year. Like many new moms, she got a hospital goody bag, with supplies including free infant formula and formula coupons.
Yes, it could happen. But it's a stretch.
Fewer U.S. adults are smoking and those who do light up are smoking fewer cigarettes each day, but the trend is weaker than the government had hoped.
The first sickness was in March and the first signs of a salmonella outbreak appeared in May. Two months later, investigators linked the outbreak to ground turkey and a Cargill meat processing plant in Arkansas.
Colon cancer deaths continue to drop across America _ except in Mississippi, health officials said Tuesday.