A new JAMA Network Open study maps dementia deaths to mid‑density neighborhoods and finds modest investments in care and transit could prevent thousands of deaths.

Two Alaska-bound cruises reported norovirus outbreaks in late June, sickening 145 people and prompting shipwide deep-cleaning and isolation measures.

San Joaquin County officials warn of an uptick in bats testing positive for rabies and urge residents to avoid contact, report sightings, and keep pets' shots current.

State records and clinicians say thousands left the UCSF Parnassus ER without seeing a doctor as long waits, medication delays and staffing shortfalls persist.

A UNSW‑led review published in Carcinogenesis finds e‑cigarettes "likely" carcinogenic; U.S. health agencies and experts are weighing the evidence.

A UCSF-led analysis of 16,429 hotline contacts finds demand for clinician-staffed reproductive guidance rose sharply — and grew before the Dobbs ruling.

A University of Georgia meta‑analysis found tirzepatide produced the largest weight loss among GLP‑1 therapies in non‑diabetic adults, but questions remain on durability and access.

County leaders marked the groundbreaking of a planned Brookside mental‑health rehab center that officials say will keep more patients in‑county for 24/7 care.

Bonita House's Berkeley Wellness Center will close this Friday as counties realign mental‑health funding under Proposition 1, leaving a gap in local services.

A national ABCD study finds early heavy social media use tied to much higher odds that teens will try alcohol, nicotine and cannabis.

ACMAD says multiple dead birds in Newark tested positive for West Nile virus and crews are treating the area. Residents are urged to drain standing water and use EPA‑registered repellent.

San Quentin confirmed a possible hantavirus case in a 38-year-old inmate; the housing unit was decontaminated and officials say no prison-wide spread is suspected.

A major international trial found a genomic test can identify many patients with hormone‑sensitive breast cancer who may not need chemotherapy, reducing exposure to toxic side effects.