Deadly avian flu detected in California marine mammals for the first time - SFGATE

Scientists have found that artificial light from cities delays the end of pollen season by disrupting plants' natural light-dark cycles, worsening allergy symptoms for millions. A Vanderbilt University study linked nighttime lighting to longer exposure to high-pollen days in Northeastern cities.

A groundbreaking study shows HEPA air purifiers can modestly lower systolic blood pressure in adults regularly exposed to air pollution, offering a simple at-home solution for cardiovascular health. Experts weigh in on the findings and share additional natural ways to manage hypertension.

Los Angeles County reported a record 220 flea-borne typhus cases in 2025, a 17% surge from 2024, with 90% of patients requiring hospitalization. Health officials warn of outbreaks linked to wildlife and pets, urging preventive measures.