In South Carolina, parents struggle to deal with infections that have brought quarantines and remote learning. Health care workers are bracing for an increase in cases.

© Annie Rice/Associated Press

In South Carolina, parents struggle to deal with infections that have brought quarantines and remote learning. Health care workers are bracing for an increase in cases.

© Annie Rice/Associated Press

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.

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

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.

Changes to the vaccine recommendation could be disastrous.

The N.I.H. director has learned all the wrong lessons from Covid.

The N.I.H. director has learned all the wrong lessons from Covid.

Readers express sorrow about her cancer and dismay at her cousin’s actions as health secretary. Also: Revenge prosecutions; Mark Kelly; donors to universities.

A journey to the fringe of MAHA.