A significant vaccine policy dispute sees 15 states suing the Trump administration over revised childhood vaccine schedules, with states arguing the changes lack scientific basis.

• 15 States Sue the Trump Administration Over Vaccine Schedule Revisions — The New York Times Health -

The passing of renowned scientist Susan Leeman at 95 marks the end of an era for a pioneer whose discoveries on brain-body influence, including identifying a neuropeptide linked to chronic pain and migraines, profoundly impacted medical understanding despite pervasive sexism in her field.

• Susan Leeman, 95, Dies; Explored How the Brain Influences the Body — The New York Times Health -

The death of Leah Stavenhagen at 33 highlights her vital work as an advocate for young women with A.L.S., bravely challenging the perception of the disease as affecting only older white men through her dedicated group.

• Leah Stavenhagen, Advocate for Young Women With A.L.S., Dies at 33 — The New York Times Health -

In a development beyond typical health news, NASA is preparing for its next moon mission with a launchpad test of the massive Artemis Rocket, potentially launching four astronauts as soon as early March.

• NASA Conducts Launchpad Test of the Massive Artemis Rocket — The New York Times Health -