Deborah Kelly

A long campaign halved the percentage of U.S. smokers. Could a similar effort succeed against the nation’s obesity epidemic?

Ordinarily resistant to economic ills, health care this time is suffering too. Poor and uninsured patients are most at risk.

Will consumers continue to have the power to question a drug’s safety?

The United States is launching a database to remedy a lack of transparency in clinical trial results.

Once poised to defeat infectious disease, vaccines beat a long retreat. Now they’re back, and gaining new ground.