What are the impacts of the toxic smoke coming from the L.A. fires? This doctor explains. [Video]

Los Angeles County has declared a public health emergency as toxic smoke, dust and fumes from burning buildings threaten millions. Founder of Doctors for America Dr. Alice Chen shares how residents of L.A. and the surrounding area can mitigate the damage this smoke can do, including wearing N-95 masks and making sure indoor air is cleanly filtered.Jan. 11, 2025