A delivery in Wilmington, N.C., this month. Heat is linked to hundreds of workplace deaths each year, but labor groups say the true toll is unknown because heat-related illnesses are not properly tracked or reported.

A teacher at a Head Start program run by Easterseals South Florida instructing students on reading and writing. Head Start has served over 30 million children since it was created.

A health worker measures the temperature of a motorcyclist passing through a checkpoint in Goma, North Kivu, Democratic Republic of the Congo, on Thursday.

A Customs and Border Protection officer at John F. Kennedy International Airport in New York.

A motorcycle taxi driver at a hospital in Goma, Democratic Republic of Congo, on Sunday.

At a hospital in Ituri Province, Democratic Republic of Congo, the center of a new Ebola outbreak.

Luigi Mangione’s lawyers have argued that the evidence found in his backpack when he was arrested was obtained illegally and cannot be used at trial.

A lawsuit against the F.D.A. threatens access to medication abortion, and the Trump administration has remained strikingly silent about the case, even as it reached the Supreme Court.

For Dr. Alister Martin, New York City’s new health commissioner, keeping New Yorkers insured could prove to be the main challenge of his tenure.

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

On Friday, New York Mayor Zohran Mamdani repeated plans for a new agency that would respond to mental health crises in the wake of two fatal shootings by the police.

Kaley Chiles in her office in Colorado Springs, Colo.

Chandler, a military spouse, recently got pregnant through in vitro fertilization, but had to shoulder high out-of-pocket costs because it was not covered through the Defense Department’s insurance plan.

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