Specific mask mandates go into effect in 6 Bay Area counties

The counties with the mask requirements include San Francisco, Alameda, Contra Costa, Santa Clara, Napa and San Mateo.

Bird flu detected in pig for 1st time in US: What it means for humans

A pig infected with bird flu in Oregon has raised concerns about the virus’s potential to threaten humans, but the current risk to the public remains low.

San Francisco, Australian researchers targeting childhood heart disease with stem cells, AI

The global research program involves the Murdoch Children’s Research Institute in Melbourne and the Gladstone Institutes in San Francisco, with researchers working to identify the genetic causes of infant heart disease and develop new treatments for it through the use of stem cells and AI technology.

Researchers targeting childhood heart disease with stem cells, AI

Researchers in the U.S. and Australia are ushering in a new era of pediatric medicine by using stem cells and AI to solve childhood heart disease.

When does daylight saving time end? Here's when we'll 'fall back'

Like clockwork, with the season of pumpkin spice, autumnal leaves, and cooler temperatures, comes the annual practice of turning back the clock.

Lassa fever suspected in Iowa resident's death; CDC investigates rare case

A suspected case of Lassa fever has claimed the life of an Iowa resident who recently returned from West Africa, prompting an investigation.;

Problem gambling grows along with revenue, study finds

With online gambling expanding across the U.S., new research reveals increasing gambling problems, sparking concerns for financial and mental health impacts.

CDC issues alert about 'walking pneumonia' in kids

A form of walking pneumonia is on the rise among children and the CDC says symptoms may include fever, cough, and wheezing.

McDonald’s brings back Quarter Pounders after E. coli outbreak linked to onions

McDonald's has reintroduced the Quarter Pounder at select restaurants after an E. coli outbreak linked to onions, not beef patties. Learn more about the investigation and safety measures.

Poor sleep quality linked to faster brain aging, study finds

New research highlights how poor sleep quality accelerates brain aging, showing the effects on cognitive health and offering tips for better sleep.

McDonald’s E. coli outbreak: Taylor Farms says products safe

Taylor Farms, a California-based grower tied to a deadly E. coli outbreak involving McDonald’s Quarter Pounders, insists its products currently on the market are safe.

1 in 4 adults thinks they have undiagnosed ADHD, survey finds

ADHD is a developmental disorder characterized by symptoms of inattention and/or hyperactivity and impulsivity. But symptoms can change as a person gets older, according to the National Institute of Mental Health.

Pizza contaminated with THC; Wisconsin-based business issues apology

Pizzas made and sold at a Wisconsin shop were unintentionally contaminated with THC, the local health department announced on Thursday.

13-year-old Hayward girl saves family, neighbors from fire

A 13-year-old Hayward girl is credited with saving her family's home and likely those of her neighbors.