Addiction and substance abuse

File - In this June 13, 2018 file photo, London Breed speaks to reporters outside of City Hall in San Francisco. California Gov. Jerry Brown vetoed legislation late Sunday, Sept. 30, 2018, that would have given San Francisco permission to test-open supervised drug injection sites. San Francisco's mayor, London Breed, has promised to open such a site. Breed, who was elected in June, lost a sibling to drug overdose and acknowledges that she has grappled with the idea. (AP Photo/Lorin Eleni Gill, File)

Law enforcement officers gather near the scene where the body of a woman was found near Interstate 35 north of Laredo, Texas on Saturday, Sept. 15, 2018. A U.S. Border Patrol agent suspected of killing four women was arrested early Saturday after a fifth woman who had been abducted managed to escape from him and notify authorities, law enforcement officials said, describing the agent as a "serial killer." (Danny Zaragoza/The Laredo Morning Times via AP)

FILE – In this May 5, 2017, file photo, Centre County, Pa., District Attorney Stacy Parks Miller, left, announces findings in an investigation into the death of Penn State University fraternity pledge Tim Piazza, seen in photo at right, as his parents, Jim and Evelyn Piazza, second and third from left, stand nearby during a news conference in Bellefonte, Pa. A group of parents, including Jim Piazza, whose children were killed during fraternity hazing incidents are joining forces with national fraternity leaders themselves in an effort to band the generations-old initiations involving binge drinking and beatings that sometimes turn deadly. (Abby Drey /Centre Daily Times via AP, File)

FILE - This May 8, 2007 file photo shows the Purdue Pharma offices in Stamford, Conn. On Wednesday, Sept. 5, 2018, the company, whose prescription opioid marketing practices are being blamed for sparking a nationwide overdose and addiction crisis says it’s helping to fund an effort to make a lower-cost overdose antidote. (AP Photo/Douglas Healey, File)

First lady Melania Trump blows bubbles in a playroom with children during a visit to Monroe Carell Jr. Children's Hospital at Vanderbilt in Nashville, Tenn., Tuesday, July 24, 2018. The first lady was promoting her "Be Best" campaign to help children. (AP Photo/Darlene Superville)

FILE - In this May 7, 2018, file photo, first lady Melania Trump speaks on her initiatives during an event in the Rose Garden of the White House in Washington. Melania Trump will receive a briefing on neonatal abstinence syndrome when she visits a Tennessee children’s hospital on July 24. The first lady’s visit to Monroe Carell Jr. Children’s Hospital at Vanderbilt in Nashville, is tied to her “Be Best” initiative. (AP Photo/Andrew Harnik, File)