AP - A woman's chance of having a child with autism increase substantially as she ages, but the risk may be less for older dads than previously suggested, a new study analyzing more than 5 million births found.

AP - The federal government advises throwing most unused or expired medications into the trash instead of down the drain, but they can end up in the water anyway, a study from Maine suggests.

AP - The discovery has punched a 170-ton hole in China's promises to overhaul its food safety system. Officials say they've found yet another case where large amounts of tainted milk powder from the country's 2008 scandal that should have been destroyed were instead repackaged.

AP - If the U.S. swine flu epidemic isn't over, it certainly looks as if it's on its last legs. While federal health officials are not ready to declare the threat has passed and the outbreak has run its course, they did report Friday that for the fourth week in a row, no states had widespread flu activity. U.S. cases have been declining since late October.

AP - The death of the father of Olympic skater Nancy Kerrigan was ruled a homicide Tuesday when an autopsy showed he died of a heart rhythm problem after a fight with his son in which he suffered a neck injury so severe it damaged his windpipe.

AFP - First Lady Michelle Obama on Tuesday launched a major push against childhood obesity, which affects around one in three US children and threatens to make the current generation of Americans the first to live shorter lives than their parents.

AFP - People who drink at least two sugary sodas a week have an increased risk of developing cancer of the pancreas, and researchers suspect the culprit is sugar, a new study shows.