Health

AP - Emergency room visits for school-age athletes with concussions has skyrocketed in recent years, suggesting the intensity of kids' sports has increased along with awareness of head injuries.

AP - The U.S. birth rate has dropped for the second year in a row, and experts think the wrenching recession led many people to put off having children. The 2009 birth rate also set a record: lowest in a century.

AP - Police in central China have detained an AIDS activist who contracted the virus as a boy and whose tireless campaigning for the rights of those with the disease angered local authorities, his fellow activists said Saturday.

AP - More than a half-billion eggs have been recalled in the nationwide investigation of a salmonella outbreak that Friday expanded to include a second Iowa farm. The outbreak has already sickened more than 1,000 people and the toll of illnesses is expected to increase.

Reuters - A second Iowa egg farm is recalling eggs as part of an investigation into a U.S. salmonella outbreak that is linked to almost 300 illnesses across the country, federal regulators said on Friday.

AP - More than a half-billion eggs have been recalled in the nationwide investigation of a salmonella outbreak that Friday expanded to include a second Iowa farm. The outbreak has already sickened more than 1,000 people and the toll of illnesses is expected to increase.

Reuters - More cases of food-borne illness are likely in a U.S. salmonella outbreak that sickened hundreds of people in three states and prompted a nationwide recall of suspect eggs, a federal official said on Thursday.

AP - Hundreds of people have been sickened in a salmonella outbreak linked to eggs in four states and possibly more, health officials said Wednesday as a company dramatically expanded a recall to 380 million eggs.

AP - Hundreds of people have been sickened in a salmonella outbreak linked to eggs in three states and possibly more, and health officials on Wednesday dramatically expanded a recall to 380 million eggs.

AP - A stunning one in five teens has lost a little bit of hearing, and the problem has increased substantially in recent years, a new national study has found.