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Experimental Tuberculosis Vaccine Fails To Protect Infants

A study in South Africa finds that an experimental vaccine against TB didn't help protect infants very much against either infection with TB or development of disease. The results were a setback, but researchers say the field remains promising.

Concussion Issue Attracts Pre-Super Bowl Attention

Calls for better equipment and protection for players grew louder in the NFL this year. It follows growing evidence of the damage caused by repeated blows to the head, and some high-profile suicides by former players.

Shortage Of Brain Tissue Sets Autism Research Back

Autism researchers are studying post-mortem brain tissue from people with the disorder to understand how it changes the brain. The greatest demand is for tissue from children. But it's especially hard to get.

Home Care Aides Await Decision On New Labor Rules

The industry has changed rapidly, but amendments exempting the workers from minimum wage and overtime pay have not. The Obama administration has yet to formally approve new rules, though the president has come out in favor of them.