FX805; FILE - Robert Mason, a 56-year-old homeless man, warms up a piece of doughnut over a bonfire he set to keep himself warm on Skid Row in Los Angeles, on Feb. 14, 2023. Homeless people in California are already a vulnerable group, often struggling with poor health, trauma and deep poverty before they lose their housing, according to a new study on adult homelessness released Tuesday, June 20, by the University of California, San Francisco, aimed at capturing a comprehensive picture of how people become homeless in California. (AP Photo, File), AP / LEHTIKUVA / JAE C. HONG