Diagnosis and treatment

Chef Jermaine Wall stacks containers of soups at Community Servings, which prepares and delivers scratch-made, medically tailored meals to individuals & families living with critical & chronic illnesses, Tuesday, Jan. 12, 2021, in the Jamaica Plain neighborhood of Boston. Food is a growing focus for insurers as they look to improve the health of the people they cover and cut costs. Insurers first started covering Community Servings meals about five years ago, and CEO David Waters says they now cover close to 40%. (AP Photo/Charles Krupa)

FILE - In this Aug. 15, 2019 file photo, marijuana grows at an indoor cannabis farm in Gardena, Calif. Top prosecutors in the vast majority of Arizona counties are dropping all existing possession of marijuana cases even before a new voter-approved law eliminating criminal penalties for having small amounts of the drug takes effect when results of the Nov. 3, 2020 election are certified. An Associated Press survey of county attorneys received responses from 13 of 15 elected county attorneys, all of whom said they were either immediately dropping existing cases or in one case pausing prosecutions and planning to drop them when Proposition 207 goes into effect. (AP Photo/Richard Vogel, File)

This Jan. 1, 2021 photo shows a collection of empty beer cans, consumed during the pandemic, at a home in North Andover, Mass. This year's Dry January came as many people had seen an uptick in their alcohol intake. Addiction treatment experts note that a month of forced sobriety might not have a lasting impact and could lead to binge drinking in February. But others believe the annual show of sobriety can’t hurt. (Mary Schwalm via AP)

FILE - In this March 12, 2020, file photo, Pennsylvania Secretary of Health Rachel Levine provides an update on the coronavirus known as COVID-19 in Harrisburg, Pa. President-elect Joe Biden has tapped Levine to be his assistant secretary of health, leaving her poised to become the first openly transgender federal official to be confirmed by the U.S. Senate. (Joe Hermitt/The Patriot-News via AP, File)

Amalia Ayala, front, a resident of Las Brisas Sunset senior apartment complex in San Luis, Ariz., deposits saliva for her COVID-19 test during the ASU and Equality Health Foundation pilot program on Friday, Jan. 15, 2021. Free saliva tests engineered by Arizona State University's Biodesign Institute are administered in Yuma County's small border city of San Luis to disabled and older people living in subsidized housing. The tests have also been given to hundreds of farmworkers. (Cesar Neyoy/The Yuma Sun via AP)

FILE - In this Jan. 21, 2020, file photo, state Sen. Scott Wiener, D-San Francisco, speaks at a news conference in Sacramento, Calif. Sen. Wiener has introduced legislation that would ban certain medically unnecessary surgeries on children born with ambiguous or conflicting genitalia. The first-of-its-kind legislation would not allow these types of surgeries until the child is at least 6-years-old. A similar bill failed to pass last year after facing opposition from the California Medical Association. (AP Photo/Rich Pedroncelli, File)

A woman wearing a face mask to protect against coronavirus walks at a train station in Moscow, Russia, Monday, Jan. 11, 2021. (AP Photo/Pavel Golovkin)

Dr. David Tom Cooke, head of general thoracic surgery at UC Davis Health, poses outside the UC Davis Medical center in Sacramento, Calif., Friday, Dec. 18, 2020. Cooke participated in Pfizer's clinical trial for the coronavirus as part of an effort to reduce skepticism about the vaccine among African Americans. He's now promoting the vaccine's safety and the importance of taking it on his social media pages. (AP Photo/Rich Pedroncelli)

Medical student Mara Karcher vaccinates a resident Ella Holdenried of Sankt Verena nursing home in Strassberg, Germany, Wednesday, Dec. 30, 2020. German authorities have reported more than 1,000 coronavirus-related deaths in one day for the first time since the pandemic began. The national disease control center, the Robert Koch Institute, said Wednesday that 1,129 more deaths were reported over the past 24 hours. (Felix Kaestle/dpa via AP)