Moderna Vaccine Provokes Strong Immune Response in Children 6 to 11

Antibody levels rose in the children who received it, suggesting the vaccine protects against infection. But the data were gathered before the arrival of Omicron.

Common Medications Can Prolong Back Pain When Overused, Study Says

A clinical trial will be needed to verify the research, which offered a warning about taking steroids or nonprescription drugs for weeks on end.

Emergent Hid Evidence of Covid Vaccine Problems at Plant, Report Says

The report sheds new light on executives’ worries about deficiencies in the company’s quality control systems at its troubled Baltimore plant; no contaminated doses were ever released to the public.

Pediatricians Hold the Front Lines of a Mental Health Crisis

Around the country, the setting for adolescent mental health care looks ever more like this doctor’s office in Kentucky, the next patient arriving every 15 minutes.

Los pediatras están al frente de la crisis de salud mental

El panorama de la atención a la salud mental de los adolescentes en EE. UU. es cada vez más cada similar al consultorio de esta doctora en Kentucky, a donde llegan pacientes cada 15 minutos.

Seeking Covid Pills, Poor Nations Fear Repeat of AIDS Crisis

The antiviral pills, plentiful in the United States, are scarce overseas. Health groups and the White House want to expand access but face obstacles that evoke the H.I.V. epidemic.

Abortion Pills Will Be the Next Battleground in a Post-Roe America

Medication abortion allows patients to terminate early pregnancies at home. Some states are moving to limit it, while others are working to expand access.

Biogen C.E.O. to Step Down Following Launch of Alzheimer’s Drug, Aduhelm

The drug company will effectively give up on marketing Aduhelm, which comes with unproven benefit and serious safety risks.

Deadly Venom From Spiders and Snakes May Also Cure What Ails You

Efforts to tease apart the vast swarm of proteins in venom — a field called venomics — have burgeoned in recent years, leading to important drug discoveries.

Tennessee Halts Executions After Failing to Test Lethal Injection Drugs

Five men scheduled for execution this year were granted temporary reprieves while the state investigates why the drugs had not been tested for toxins.