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California is one of five states with laws that do not allow religious exemptions to school vaccines. The Trump administration is moving to expand parents' right to opt out.

HHS Secretary Robert F. Kennedy Jr. said violence could be fault of antidepressants, social media and video games, but not guns.

A San Francisco family sued after finding months of alarming conversation between their son, who died by suicide, and ChatGPT.

It's hard to snuff out misinformation when the nation's health services administration specializes in it.

UCLA and UC San Diego grad Megan McArthur retires at 54 after two decades with NASA. The space and ocean scientist's work puts her in an elite group of explorers.

A pioneering study seeks to figure out how a combination of high heat and loud noise impacts the brains and health of L.A. residents.

Baltimore played a role in virtually every important national debate over the use and potential misuse of the science of genetic engineering.

A Westlake Village man living with frontotemporal dementia has something few people with the condition do: the ability to describe his disease.

Study suggests exercise, diet and engagement can improve cognition for those at risk of dementia. A team of experts will explain recent advances at three upcoming L.A.-area conferences.

Seniors in some parts of the country say they are being denied COVID-19 vaccinations amid an ongoing spike in cases, leading to rising frustration over new Trump administration policies.