Eliza Leone, a dietitian, teaches culinary medicine to a mix of medical, dental and dietetics students from Tufts University.

Washington National Opera officials contend that exiting the Kennedy Center would also give it more control over programming decisions.

Tatiana Schlossberg in 2023 during an event at the John F. Kennedy Presidential Library and Museum in Boston.

Dr. Jeanne Marrazzo, former director of the National Institute of Allergy and Infectious Diseases, testifying before the Senate last year.

Jodie Singer, 28, is severely autistic, speaking only in short, repetitive phrases and requiring round-the-clock care.

President Trump and his health secretary, Robert F. Kennedy Jr., have angered some people with autism by calling it a crisis.

President Trump speaking about autism in the Roosevelt Room of the White House in Washington, D.C., on Monday.

Children learning to garden with their mothers during a “Kids Farm Day” event earlier this month in Aberlin Springs, an “agri-community” in southwest Ohio.

At least half of the eight new members of a C.D.C. panel, who are meeting for the first time on Wednesday, have expressed some skepticism about vaccines.

A dose of the pediatric Covid vaccine in Charlotte, N.C., in 2021. The shots will remain available to children who have a conversation with their doctor, a practice the agency calls “shared decision-making.”