Traumatic brain injury is the single most common cause of death and disability in children and adolescents, according to the national Centers for Disease Control and Prevention. Now, UCLA researchers have found that the effects of a blow to the head, whether it's mild or a concussion, can linger for years.   Talin Babikian, lead study author and a UCLA postdoctoral fellow in psychiatry and biobehavioral sciences, and senior author Robert Asarnow, a UCLA professor of...

Sexually transmitted diseases (STDs) continue to infect thousands of Alaskans and infect some residents at higher rates than others, according to two new reports from the Alaska Department of Health and Social Services. About 19 million new sexually transmitted infections are reported every year in the United States, according to the Centers for Disease Control and Prevention (CDC). The CDC has designated April as STD Awareness Month.

DIVIn 2006, the Centers for Disease Control and Prevention#160;released new#160;guidelines recommending that every patient between the ages of 13 and 64 be offered an HIV test on an opt-out basis#160;in all health care settings, without the requirements of written consent or prevention counseling. BRBRThe CDC's#160;recommendations sparked significant debate about whether existing state laws would conflict with the guidelines and impede#160;their widespread implementation and raised...