SFDPH credits expanded prevention and growing use of doxy‑PEP as syphilis, chlamydia and gonorrhea fell in 2025.

A Yale analysis of HRS data found nearly half of adults 65+ improved in memory or walking speed over up to 12 years, and positive views on aging predicted those gains.

A dead bat found on Logan Drive in Fremont’s Glenmoor neighborhood tested positive for rabies. County vector control will notify nearby homes and health officials urge reporting exposures.

Wastewater surveillance shows rotavirus rising across Northern California; parents are urged to watch infants for dehydration and discuss vaccines with clinicians.

Two sexual‑enhancement chocolates sold online have been recalled after tests found sildenafil and tadalafil. Officials warn people on nitrate heart meds face serious risk.

BA.3.2 has been detected in U.S. wastewater and traveler samples; the first U.S. case was linked to SFO last June, but officials say activity remains low.

California has poured hundreds of millions into heat programs, but experts say the approach is still crisis‑driven while counties write their own rules. Local mandates and bond proposals will decide who actually gets cooled.

The Castro's fitness fad continues to flex its muscle with the proposed addition of a megachain pilates studio.

A UCSF‑led pooled analysis links a sleep EEG “brain age” gap to higher dementia risk; each 10‑year gap corresponded to about a 39% increase in risk.

Patents are falling in India, China and Canada, opening the door to low‑cost semaglutide generics that could sharply lower monthly bills for millions. U.S. access may still lag.

The World Happiness Report 2026 names Finland happiest again and warns heavy social media use is linked to falling wellbeing among young people, especially teen girls.

New data show Santa Rosa's Face to Face supplied 44% of county naloxone and was tied to 66% of reported reversals in 2024.

Sutter Health announced plans to acquire Minneapolis-based Allina Health in a non-cash deal that would form a roughly $26B system and promise regional investments. Local leaders say patient care and day-to-day operations will continue as usual while regulators review the deal.