The shift would mean fewer shots recommended for children. But a Danish health official found the idea baffling, saying the United States was getting “crazier and crazier in public health.”

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All policy decisions have trade-offs, and cannabis legalization is no exception.

All policy decisions have trade-offs, and cannabis legalization is no exception.

Readers react to Daniela Lamas’s essay on the moral dilemma posed by a patient who refused her advice, then died. Also: Managing methane on farms.

For hundreds of millions of Indians, toxic winter air poisons bodies, constricts lives and wears down spirits.

Readers respond to an Opinion guest essay about the justices and unitary executive theory. Also: The danger posed by Health Secretary Robert F. Kennedy Jr.

The high cost of health care in America is suppressing wages, driving job losses and fueling inequality.

Readers respond to Michelle Cottle’s essay about her experience with her parents and the growing caregiver crisis.

Many states have proposed bans on the sale of ultraprocessed foods in schools. The problem is the way they define ultraprocessing.

Readers respond to a column by David Brooks about his unconditional love for America.

Having a baby without any medical help is the logical outcome of a centuries-long medical freedom movement.

Olivia Nuzzi doesn’t seem to recognize that her collaboration with Robert Kennedy was a grave professional betrayal.

A North Carolina organization delivers salvation on four legs.

At an international conference, researchers at the forefront of animal-human transplantation compared notes and allowed themselves the first real optimism in decades.