Hundreds of turkeys at a Central California ranch are being killed to prevent the spread of a type of avian flu that is not a threat to people but can decimate poultry flocks.
Fewer California parents opted out of vaccinations for their children entering kindergarten last year following the adoption of a law that makes it harder to go without the shots, state figures show.
Doreen Gentzler looks at one woman who decided to freeze her eggs and the technology behind the process.
Here's what you should know about the current measles outbreak in the U.S.
A major measles outbreak traced to Disneyland has brought criticism down on the small but vocal movement among parents to opt out of vaccinations for their children.
Researchers identify genetic cause of Sturge-Weber syndrome, often associated with facial birthmarks, which means new trials and new hope for sufferers.